SSC JE Mechanical – 16 Nov 2022 – Shift-2

Welcome to your SSC JE Mechanical - 16 Nov 2022 - Shift-2

General Intelligence and Reasoning

1.Select the option that indicates the correct arrangement of the given words in a logical and meaningful order.

1. Carpet

2. Ceiling

3. Bed

4. Floor

5. Fan

General Intelligence and Reasoning

2. Pointing at a lady, Sheela said, “She is my only brother’s daughter’s father’s mother.” How is that lady related to Sheela?

General Intelligence and Reasoning

3. In a certain code language, 'EASY' is written as '64' and 'CAMP' is written as '47'. How will 'ABET' be written in that language?

General Intelligence and Reasoning

4. Select the correct mirror image of the given combination when the mirror is placed at line AB as shown.

General Intelligence and Reasoning

5. Select the option that will replace the question mark (?) in the given figure to complete the pattern.

General Intelligence and Reasoning

6. Select the correct mirror image of the given figure when the mirror is placed at 'AB' as shown.

General Intelligence and Reasoning

7. Select the correct mirror image of the given figure when the mirror is placed at MN as shown.

General Intelligence and Reasoning

8. Two statements are given, followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:

All ships are boats.

Some ships are cargo.

Conclusions:

I. Some boats are cargo.

II. All boats are ships. 

General Intelligence and Reasoning

9. Which of the following numbers will replace the question mark (?) and complete the given number series?

38, 57, 74, 93, 110, ?

General Intelligence and Reasoning

10.  Which of the following numbers will replace the question mark (?) in the given series?

3, 9, 15, 33, 63, ?

General Intelligence and Reasoning

11.  Select the option that is related to the fourth term in the same way as the first term is related to the second term and fifth term is related to sixth term.

52 : 5 :: ? : 6 :: 100 : 7

General Intelligence and Reasoning

12. Select the set in which the numbers are related in the same way as are the numbers of the following set.

(NOTE : Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding /subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is NOT allowed)

(8, 15, 7)

(15, 56, 13)

General Intelligence and Reasoning

13. How many triangles are there in the given figure? 

General Intelligence and Reasoning

14. Select the word-pair in which the two words are related in the same way as are the two words in the given pair.

(The words must be considered as meaningful English words and must not be related to each other based on the number of letters/number of consonants/vowels in the word)

Colossal : Enormous 

General Intelligence and Reasoning

15. Select the correct option that indicates the arrangement of the following words in a logical and meaningful order. (From Small to Big)

1. River

2.Ocean

3. Pond

4. Sea

5. Lake

General Intelligence and Reasoning

16. Which of the given letter-clusters will replace the question mark (?) in the following series?

FVYA, ITWD, LRUG, ?, RNQM

General Intelligence and Reasoning

17. Which of the given letter-clusters will replace the question mark (?) in the following series?

CHAI, EKBM, GNCQ, ?, KTEY

General Intelligence and Reasoning

18. Select the option that represents the correct order of the given words as they would appear in an English dictionary.

1. Stalker

2. Station

3. Stammer

4. Stabbed

5. Strange

6. Strings

7. Stacked

General Intelligence and Reasoning

19. Select the set in which the numbers are related in the same way as are the numbers of the given sets.

(NOTE : Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding /subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

(6, 5, 35)

(8, 4, 36)

General Intelligence and Reasoning

20. In a code language, ‘GATHER’ is written as '20-26-7-19-22-9' and ‘DISPERSE’ is written as '23- 18-8-11-22-9-8-22'. How will ‘CONSTRAINT’ be written in that language?

General Intelligence and Reasoning

21. Select the word-pair in which the two words are related in the same way as are the two words in the given pair.

(The words must be considered as meaningful English words and must not be related to each other based on the number of letters/number of consonants/vowels in the word)

Lucid : Rational

General Intelligence and Reasoning

22. Select the option that is related to the third word in the same way as the second word is related to the first word.

(The words must be considered as meaningful English words and must not be related to each other based on the number of letters/number of consonants/vowels in the word.)

Needle : Sew :: Spanner : ?

General Intelligence and Reasoning

23. Select the set in which the numbers are related in the same way as are the numbers of the given sets.

(NOTE : Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding /subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

(17, 136, 7)

(12, 120, 9)

General Intelligence and Reasoning

24. Seven people A, B, C, D, E, F and G are sitting in a straight row, facing north. Only five people are sitting in between G and E. F is an immediate neighbour of both G and A. Only four people are sitting to the right of A. Who is sitting on the extreme left?

General Intelligence and Reasoning

25. In a certain code language, 'TAXPAYER' is written as 'UCYRBAFT' and 'TAXATION' is written as 'UCYCUKPP'. How will 'TENDENCY' be written in that language?

General Intelligence and Reasoning

26. Seven children, P, Q, R, S, T, U, and V are seated around a square dining table, all facing towards the centre. Some of them are sitting at the corners while some are sitting at the exact centre of the sides of the table. One seat is left vacant. U and T are immediate neighbours. Q is seated at a corner, third to the right of T. Only three kids are seated between U and Q. R is an immediate neighbour of both P and Q. P is not an immediate neighbour of T. S is seated second to the left of T. If V is seated fourth to the right of P, where is the vacant seat?

General Intelligence and Reasoning

27. In this question, three statements are given, followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusion(s) logically follow(s) from the statements.

Statements:

All scooters are cars.

No car is a cycle.

All cars are vehicles.

Conclusions:

I. All cars are scooters.

II. Some cycles are vehicles.

General Intelligence and Reasoning

28. Select the option that is related to the third word in the same way as the second word is related to the first word. (The words must be considered as meaningful English words and must not be related to each other based on the number of letters/number of consonants/vowels in the word.)

Odisha : Bhubaneshwar :: Nagaland : ?

General Intelligence and Reasoning

29. Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term.

145 : 170 :: 290 : ? :: 442 : 485

General Intelligence and Reasoning

30. Select the correct combination of mathematical signs that can sequentially replace ‘A’ and balance the given equation.

26 A 12 A 12 A 6 A 2 A 5 A 6

General Intelligence and Reasoning

31. Three different positions of the same dice are shown (Figures 1-3). Find the number on the face opposite to the face having ‘2’.

General Intelligence and Reasoning

 32. If A denotes ‘+’, B denotes ‘ב, C denotes ‘−’, and D denotes ‘÷’, then what will come in place of ‘?’ in the following equation?

99 D 9 B 6 D 3 A 5 B (2 C 1) A 3 = ?

General Intelligence and Reasoning

33. In a code language, ‘CANDLE’ is written as ‘3-1-14-4-12-5’ and ‘DARK’ is written as ‘4-1-18-11’. How will ‘LIGHT’ be written in that language?

General Intelligence and Reasoning

34. Which letter-cluster will replace the question mark (?) to complete the given series?

FJVT, ?, JPBX, LSEZ, NVHB

General Intelligence and Reasoning

35. A, B, C, D, E, F and G are seven cousins of different ages. A is younger than only E. G is younger than C but older than D. B is the youngest amongst them. F is younger than D. How many people is D younger than?

General Intelligence and Reasoning

36. Which of the following numbers will replace the question mark(?) in the given series?

27, ?, 40, 45, 49, 52

General Intelligence and Reasoning

37. Select the correct combination of mathematical signs that can sequentially replace ‘@’ and balance the given equation.

52 @ 12 @ 15 @ 3 @ 6 @ 5 @ 15

General Intelligence and Reasoning

38. Jia starts from Point A and drives 6.3 km towards the north. She then takes a right turn, drives 2.65 km, turns right and drives 10.25 km. She then takes a right turn and drives 8.72 km. She takes a final right turn, drives 3.95 km and stops at Point P. How far and towards which direction should she now drive in order to reach Point A again? (All turns are 90 degree turns only)

General Intelligence and Reasoning

39. Hari's brother is Shiv. Shiv has two sons Ram and Shyam. Shyam’s daughter is Priya. How is Shiv related to Priya?

General Intelligence and Reasoning

40. Select the figure from the options that can replace the question mark (?) and complete the pattern.

General Intelligence and Reasoning

41. Select the option that represents the correct order of the given words as they would appear in an English dictionary.

1. Pentium

2. Pentagon

3. Penalise

4. Permeate

5. Personified

6. Penetrate

7. Pesticide

General Intelligence and Reasoning

42. Select the option that represents the letters that, when sequentially placed from left to right in the blanks below, will complete the letter series.

C _ H E _ C K C C _ E C C _ _ C H _C _ K

General Intelligence and Reasoning

43. Select the option that is related to the fifth term in the same way as the second term is related to the first term and the fourth term is related to the third term.

SEVERE : EREVES:: CRIMINAL : LANIMIRC:: LOCATION:?

General Intelligence and Reasoning

44. Q lies to the east of P. R lies to the north of P. S lies to the north-east of Q. T lies to the southeast of P and south-west of Q. What is the position of T with respect to S?

General Intelligence and Reasoning

45. Select the option that will replace the question mark (?) in the given figure to complete the pattern.

General Intelligence and Reasoning

46. Select the correct option that indicates the arrangement of the following words in a logical and meaningful order.

1. Knead

2. Bread

3. Bake

4. Flour

5. Grain

General Intelligence and Reasoning

47. Select the option in which the given figure is embedded. (Rotation is NOT allowed) 

General Intelligence and Reasoning

48. Select the option that is embedded in the given figure (rotation is NOT allowed).

General Intelligence and Reasoning

49. If A denotes ‘+', B denotes '×', C denotes ‘-’, and D denotes ‘÷’, then what will be the value of the following expression?

121 A 78 C 25 D 4 B 8 = ?

General Intelligence and Reasoning

50. Which letter-cluster will replace the question mark (?) to complete the given series?

KIES, OLHW, ?, WRNE, AUQI 

General Awareness

  1. If one would like to climb the Himalayas from the foothills to higher altitudes in India, then which would be the correct sequence of forests that would be visible?

1) Deciduous forests

2) Tundra vegetation

3) Pine forests

4) Wet, temperate type of forests

5) Temperate grasslands and pastures 

General Awareness

2. When was the Bharat Nirman Programme launched by the Government of India?

General Awareness

3. Which German chemist and physicist predicts that the combination of the number of electrons (n) and the physical structure of the ring system determines whether a molecule is aromatic, antiaromatic, or non-aromatic?

General Awareness

4. Which of the following is the deepest manmade hole on Earth with a depth of 12.2 km, known as the deepest artificial point on Earth?

General Awareness

5. The upper basin of which river in the state of Chhattisgarh is in the shape of a saucer?

General Awareness

6. Which of the following is used in cough syrups?

General Awareness

7. Sharon Lowen a famous proponent of the Odissi style of dance belongs to which country?

General Awareness

8. Choose the option that contains activity under the service sector.

General Awareness

9. In an effort to usher in reforms in the field of agricultural marketing and promote online marketing of agricultural products across the country and maximise the benefits of farmers, the Government has approved a program called ______.

General Awareness

10. Who among the following has written ‘The Bird of Time’?

General Awareness

11. The Ras Leela was first started as a dance form in 1779 by ______, a 18th century Meitei monarch.

General Awareness

12.  Article _________ of the Indian Constitution guarantees equal opportunity to all citizens in matters related to employment in the public sector.

General Awareness

13. With the enactment of Government of India Act, 1919 the provincial budget was _________

General Awareness

14.  According to the International Union for Conservation of Nature and Natural Resources (IUCN) list, the Himalayan brown bear, wild Asiatic buffalo, desert fox, and hornbill are classified into which category?

General Awareness

15. The Governor of a State can reserve any bill passed by the state legislature for the consideration of the _______.

General Awareness

16. If an object is moving with an actual speed of x in uniform motion, find the average speed of the object.

General Awareness

17. Which country did India defeat to win its first ever cricket World Cup title?

General Awareness

18. Raslila is a famous dance majorly performed in which Indian State?

General Awareness

19. Who among the following was appointed as the Chairman of Indian Space Research Organisation in January 2022?

General Awareness

20. How many Articles were there in the original Constitution of India?

General Awareness

21. Which of the following Articles of the Indian Constitution are related to citizenship?

General Awareness

22. Which of the following statements is correct?

General Awareness

23. For which region was the direction of trade (in terms of India’s imports in Rs. Crore) for 2016- 17 the maximum?

General Awareness

24. In November 2021, the Union Ministry of Cooperation launched the "Dairy Sahakar" scheme at Anand, Gujarat at an outlay of ₹________ crores.

General Awareness

25. Who among the following proposed the Vernacular Press Act of 1878?

General Awareness

26. Who received the Nobel Prize in Physics in 1936 for the discovery of a positively charged particle called the ‘positron’?

General Awareness

27. Who is the first Indian to claim World No. 1 ranking in the U-19 Girls Singles category in the Badminton World Federation junior rankings?

General Awareness

28.  The market value of final goods and services produced by a country during the period of an accounting year, inclusive of depreciation, is known as the:

General Awareness

29. _____won his 11th National Billiards title on 20 December 2021 in Bhopal.

General Awareness

30. Mathematically, the direct relationship of which law can be represented by the given equation? Where V, T and k are volume, temperature and constant, respectively. V/T = k

General Awareness

31. Noble gases belong to which of the following groups?

General Awareness

32. Who among the following was a noted Mridangam player who served as ‘Artist in Residence in Music’ at Wesleyan University from 1970 -1975 and again from 1988-2000 teaching South Indian drumming?

General Awareness

33. Who introduced the concepts of food web, food chain and ecological niche in the classic textbook 'Animal Ecology' published in 1927?

General Awareness

34. Which of the following is/are formed by subduction between a plate carrying continental crust and a plate carrying oceanic crust?

General Awareness

35. Which of the following forests are found in the higher latitudes of Northern hemisphere and are also called as Taiga?

General Awareness

36. Which waves fall in the range of the EM spectrum between radio and IR used in modern technology such as wireless networks, spacecraft communication, medical diathermy, and cancer treatment?

General Awareness

37. Match the following table.

RIVER

TRIBUTARIES

A.

Kaveri

1.

Penganga

B.

Krishna

2.

Kabini

C.

Godawari

3.

Koyna

General Awareness

38. The headquarters of ISRO (Indian Space Research Organisation) is located at:

General Awareness

39. Which triangular plateau region of India lies south of the river Narmada?

General Awareness

40. Main ______ river forms boundary between the two States of Telangana and Maharashtra.

General Awareness

41. Which of the following statements is true with respect to energy?

General Awareness

42. Which of the following statements is correct regarding central dogma?

General Awareness

43. Who among the following was the founder of the Kanva dynasty?

General Awareness

44. In the 2021 Winter Session of the Parliament, how many bills were passed in both the Houses of parliament in total from the 13 bills that were tabled?

General Awareness

45. Pullela Gopichand won the All England Open Tournament in the year ________.

General Awareness

46. Select the correct option citing reasons for male migration and their percentages, based on the Census of India 2011.

General Awareness

47. In which year was the National Rural Employment Guarantee Act enacted in India?

General Awareness

48. As announced in May 2021, PM CARES for children scheme would support children who have lost both Parents or legal Guardian or Adoptive Parents or Surviving Parent to the COVID-19 pandemic during the period starting from ________.

General Awareness

49. Which of the following is a qualitative method of credit control?

General Awareness

50. The town of Mawsynram in Meghalaya is famous as:

Mechanical Engineering

1. The mathematical expression for centre of pressure when the surface is inclined and immersed in the liquid is given by:

Mechanical Engineering

2. If water is flowing through a circular pipe of diameter d (in m) and has a velocity of V (in m/s), the quantity of water (in litres per sec) is given by ________.

Mechanical Engineering

3. The function of a steam trap is ________.

Mechanical Engineering

4. If the density of the fluid does NOT vary during the flow, then the fluid is said to be:

Mechanical Engineering

5. Knocking takes place in compression ignition engine _______.

Mechanical Engineering

6. In an air standard Diesel cycle the efficiency depends on:

Mechanical Engineering

7. A flywheel is used to control ________.

Mechanical Engineering

8. Equivalent evaporation is defined as the amount of water evaporated from _____.

Mechanical Engineering

9. The first law of thermodynamics is based on ________.

Mechanical Engineering

10. According to __________ the rate of increase in pressure along the depth is equal to __________.

Mechanical Engineering

11. Identify the option that completes the given statement with respect to stress. Factor of safety is the:

Mechanical Engineering

12. Which of the following expressions give the Thoma’s cavitation factor (σ), which is basically used to determine whether cavitation will occur in any portion of the turbine? Where, Ha = atmospheric pressure head, Hv = vapour pressure head, Hs = suction pressure head, H = working head of turbine.

Mechanical Engineering

13. During phase change process of water _________.

Mechanical Engineering

14. The Hydraulic Gradient Line will be having zero in case of _________ .

Mechanical Engineering

15. For a system operating in a cycle, the net work transfer is equal to ______.

Mechanical Engineering

16. In a Hydroelectric power plant, the electric power is obtained from the _______

Mechanical Engineering

17. Pressure at any point in a liquid depends upon ____________.

Mechanical Engineering

18. Which of the following is NOT a type of radiator core arrangement?

Mechanical Engineering

19. For spring loaded safety valve the pressure required to lift the valve is _____ the pressure required to open it fully.

Mechanical Engineering

20. Attempering is a process where ________ of steam temperature happens.

Mechanical Engineering

21. If the cut-off ratio in the air standard dual cycle approaches unity, then this lead to which among the following cycles?

Mechanical Engineering

22. The equations of equilibrium for a non-concurrent force system are:

Mechanical Engineering

23. In P-H diagram of vapour compression refrigeration cycle, the compression process is shown by a:

Mechanical Engineering

24. Which of the following is NOT an assumption taken in the Bernoulli theorem?

Mechanical Engineering

25. In Electrode Discharge Machining (EDM) process, the gap between the tool and workpiece should be:

Mechanical Engineering

26. The discharge velocity in the orifice meter is measured by using which of the following?

Mechanical Engineering

27. Water is flowing through a circular pipe under pressure. If the total energy per unit weight of the water at a cross-section is 30 m and the piezometric head at that section is 29.4 m, then what will be the kinetic head at that section?

Mechanical Engineering

28. In a reciprocating compressor, the swept volume is 8/9 times the maximum volume. The clearance ratio will be equal to ________.

Mechanical Engineering

29. The range of flow ratio value for a Francis turbine is:

Mechanical Engineering

30. A boiler produces steam at a rate of 10/9 kg per second at 20 bar and 400°C. The efficiency of the boiler is 80%, and the feed-water temperature is 50°C. The calorific value of the fuel used is 44500 kJ/kg. Enthalpy of steam at 20 bar and 400°C is 3245.5 kJ/kg, and enthalpy of feed-water at 50°C is 209.3 kJ/kg. The fuel burning rate in kg/h is:

Mechanical Engineering

31. A body floats in a static fluid. It is found that the metacentre coincides with the centre of gravity of the body. The body will be in _______ equilibrium.

Mechanical Engineering

32. An IC engine gives an output of 4 kW when the input is 10000 J/S, and the thermal efficiency is _______.

Mechanical Engineering

33. For a velocity compounded impulse turbine, which of the following statements is correct?

Mechanical Engineering

34. The frictional torque transmitted in a conical pivot bearing with the assumption of uniform wear is ___________ as compared to uniform pressure theory.

Mechanical Engineering

35. Which of the following is NOT an advantage of water tube boiler in comparison with fire tube boiler?

Mechanical Engineering

36. High-pressure low water safety valve CANNOT be used on____________.

Mechanical Engineering

37. An engine cylinder has clearance volume of 20 cc and compression ratio of 14. The mechanical and volumetric efficiencies are 88% and 80%, respectively. The actual volume of charge in cc inducted per stroke is:

Mechanical Engineering

38. For a laminar flow through a circular pipe of diameter 400 mm, the maximum velocity is 2 m/s. What will be the velocity at 8 cm from the wall of the pipe?

Mechanical Engineering

39. If the thermal efficiency of a Carnot engine is 0.5, then the coefficient of performance of the Carnot refrigerator will be:

Mechanical Engineering

40. Water is flowing through a circular pipe of diameter 20 cm at the rate of 2 meter cube per second. What will be the velocity of water in the pipe?

Mechanical Engineering

41. Double helical gears are also known as:

Mechanical Engineering

42. In a heat pump, the processes of the cycle are carried out in such a manner that the sequence of processes on the p-V diagram _________.

Mechanical Engineering

43. In a mist lubricating system, a mist of lubricating oil forms when:

Mechanical Engineering

44. Which velocity is kept as a common reference in both inlet and outlet velocity triangle for drawing the velocity diagram of a steam turbine?

Mechanical Engineering

45. In a simple vapour compression refrigeration cycle, the enthalpy at point 1, 2 and 4 are 260 kJ/kg, 60 kJ/kg and 180 kJ/kg, respectively, as shown in the figure. If 2 kg of refrigerant is used to cool the system, then COP of the refrigerator will be:

Mechanical Engineering

46. In which boiler is forced circulation of water required?

Mechanical Engineering

47. Point X is 10 m below the free surface of a liquid and point Y is 12 m below the free surface of the same liquid. The correct relationship for the pressure at points X and Y is _________ .

Mechanical Engineering

48. The CGS unit of mass density is __________.

Mechanical Engineering

49. The product of specific volume and density is:

Mechanical Engineering

50. Which type of condenser is used for small installations of refrigeration systems (up to 30 kW)?

Mechanical Engineering

51. A fully insulated and completely empty tank is being filled with some fluid with negligible fluid velocity. Which of the following is correct?

Mechanical Engineering

52. The heat acquired or released during a phase change is called _________.

Mechanical Engineering

53. Which of the following characteristics decides that the Lancashire boiler is a fire tube boiler?

Mechanical Engineering

54. External work of evaporation is defined as ___________.

Mechanical Engineering

55. If a turbine develops a power of 2.515 MW at 240 rpm, then the torque developed in the turbine shaft is:

Mechanical Engineering

56. Supersaturated expansion of steam through the nozzle results in:

Mechanical Engineering

57. Cross-flow turbines are devices for converting the kinetic energy of the wind or water currents to ____.

Mechanical Engineering

58. The dimensional formula of Volumetric Discharge is given by

Mechanical Engineering

59. Which of the following high-pressure boilers has a unique characteristic of the absence of steam-separating drums?

Mechanical Engineering

60. Convergent part, divergent part, and throat are used to construct which of the following devices?

Mechanical Engineering

61. Which of the following is NOT a property of the thermodynamic system?

Mechanical Engineering

62. When a fluid comes into contact with a surface, the force exerted by the fluid on the surface is referred to as ______.

Mechanical Engineering

63. The purpose of using fins in intercooler is to reduce:

Mechanical Engineering

64. In a refrigeration system, the work input is 20 kJ/kg while 80 kJ/kg of heat is rejected out of the system. The COP of the system will be:

Mechanical Engineering

65. Choose the correct answer from the following four options?

S1: Open cycle Gas turbine is a rotary internal combustion engine.

S2: Steam engine is a reciprocation external combustion engine. 

Mechanical Engineering

66. The property of the material by which the material recovers its original shape after the removal of load is known as:

Mechanical Engineering

67. The change in vertical height (in mm) of a Watt governor when it changes its speed from 50 rpm to 51 rpm is approximately equal to:

Mechanical Engineering

68. The amount of heat required to convert water at a given temperature and pressure into steam at the same temperature and pressure is known as:

Mechanical Engineering

69. The machining time for the drilling process is calculated by:

(Where L = Length of axial travel in mm; N = rpm of the drill; f = feed per rev in mm)

Mechanical Engineering

70. Which of the following statements is true about entropy?

Mechanical Engineering

71. Fluids undergo volumetric change under the action of external forces due to ________

Mechanical Engineering

72. Choose the correct answer from the following four options.

S1: High load on engine requires high viscosity lubricating oil.

S2: High-speed engine requires low-viscosity oil.

Mechanical Engineering

73. Two pressure lines in the superheated region on the T-S diagram of a Rankine cycle are:

Mechanical Engineering

74. Compared to the Air cooling system of an engine the compressed Water cooled engine has

Mechanical Engineering

75. Which of the following statements is true about sensible heat?

Mechanical Engineering

76. If the overall efficiency and mechanical efficiency of a centrifugal pump are 56% and 70%, respectively, then what will be its manometric efficiency?

Mechanical Engineering

77. Variation in a specific volume of water if it is heated at 273 K:

Mechanical Engineering

78. Specific heat at constant volume is _______.

Mechanical Engineering

79. When the compressor and motor operate on the same shaft and are enclosed in a common casing, then it is known as __________.

Mechanical Engineering

80. Which among the following zone or part of piston is subjected to highest temperature due to combustion?

Mechanical Engineering

81. The average operating pressure of a Benson boiler is________.

Mechanical Engineering

82. A reaction turbine works at 420 rpm and its inlet diameter is 2 m. Determine its tangential velocity.

Mechanical Engineering

83. Which of the following statements is NOT correct?

Mechanical Engineering

84. Coefficient of performance is also called ________.

Mechanical Engineering

85. A cylinder contains 0.2 m3 of a gas at a pressure of 1 bar and temperature 27°C. If this gas is compressed to 0.02 m3 at a pressure of 20 bar, the temperature at the end of compression will be:

Mechanical Engineering

86. In a reciprocating compressor, the value of clearance volume has a direct impact on:

Mechanical Engineering

87. The hydraulic efficiency of a hydraulic turbine is related to the overall efficiency of a turbine as ____.

Mechanical Engineering

88. The dryness fraction is defined as ___________.

Mechanical Engineering

89. The pressure below atmospheric value is called __________.

Mechanical Engineering

90. Oil of specific gravity 0.9 is flowing at the rate of 100 litres per second in a 0.30 m diameter pipe. If the pressure head at point P is 3 m of oil and this point P is 4 m above the datum line, then what will be the total energy at point P in metres of oil? Take g = 10 m/s2 .

Mechanical Engineering

91. The number of helical springs used in a spring loaded safety valve is_______.

Mechanical Engineering

92. In order to increase the efficiency of Rankine cycle, Which one of the following statement is incorrect?

Mechanical Engineering

93. In a horizontal pipe with a 100 mm diameter, the pressure head loss over a length of 5 metres is found to be 0.85 m. If the coefficient of friction is 0.1, the flow velocity in the pipe will be __________.

Mechanical Engineering

94. For the h-s diagram of the vapor compression refrigeration cycle, which of the following statements is FALSE?

Mechanical Engineering

95. For a given impeller diameter, Power of the pump is proportional to: Where, N = rotational speed in rpm

Mechanical Engineering

96. The pressure of charge inducted through the inlet port inside the cylinder in the case of a two-stroke engine is _______.

Mechanical Engineering

97. Which of the following specification is generally measured in cubic centimeters for an internal combustion engine

Mechanical Engineering

98. The Bell-Coleman cycle is an example of _________.

Mechanical Engineering

99. In which type of manometer, a reservoir having a large cross-sectional area (about 100 times) as compared to the area of the tube is connected to one of the limbs of the manometer?

Mechanical Engineering

100. The efficiency of any reversible engine operating between source reservoir and sink reservoir depends on _______.

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