App LogoKerala PSC QBank

Fireman

142/25

1. Which period referred to as the 'golden' hours for an injured person?

2. How many basic categories of safety signs used in industries?

3. What is the accuracy of a try square?

4. Which is the minimum angle can file by a knife edge file?

5. Which part of the micrometer is used for maintain equal pressure in between measuring faces?

6. What is the purpose of diamond point chisels?

7. What is the minimum thickness of feeler gauge leave in B.I.S set?

8. What is the class of fire involving gas and liquified gas?

9. Which extinguisher is most suitable for class D fire?

10. Choose the correct statement about the drill:

  1. Drills are made from medium carbon steel
  2. Drills are used for providing round holes
  3. The Point angle of general purpose drill is 118°
  4. Drills are made from H.S.S and H.C.S

11. Which is the unit of acceleration in S.I. system?

12. One cent is equal to:

13. Which formula used for find Relative density or specific gravity of a substance?

14. Choose the correct statement about acceleration:

15. What is the unit of heat in S.I. system?

16. Which instrument used for measure very high temperature in furnaces?

17. Pascal's law is connected with:

18. What is the accuracy of vernier bevel protractor?

19. Thermocouple pyrometer can measure temperature upto :

20. What is the boiling point of water?

21. The top surface that connects the two adjoining flanks of a thread is called:

22. This type of bolt assembly is used when the relative movement between the work pieces has to be prevented:

23. These nuts have special provision in the form of slots for fixing split pins for locking the nuts:

24. These keys are used for transmitting very low torque. No keyway is made on the shaft :

25. Hatchet Stake having :

26. This Seam is used as a longitudinal corner seam for various types of pipes such as duct work, The single lock is placed in a pocket lock:

27. Sizes of Rivets are determined by the:

28. Open end spanners are:

29. Which key is a semicircular in shape used for transmitting light torque?

30. Which is used for closing a pipeline having an internal thread?

31. Dry saturated steam means:

32. Volume of one kilogram of superheated steam is :

33. In this type of draught system the fan is placed near or at the base of chimney so that a vacuum is created in the furnace:

34. The amount of heat energy required to convert a unit mass of ice at 0∘C0^{\circ}C into water at the same temperature is called :

35. The energy required to change a unit mass of liquid into gas at its boiling point, without change in temperature is called:

36. The temperature at which water starts boiling depends upon :

37. Volume occupied by a unit mass of a substance is called:

38. It represents the amount of additional heat energy added to a gas beyond its boiling point at a constant pressure:

39. The sum of a thermodynamic system's internal energy and the product of its pressure and volume is called:

40. The quantity of heat required to convert one kilogram of water at 0∘C0^{\circ}C, at constant pressure, into wet steam is called :

41. According to their use Steam boilers may be classified as:

42. Cochran Boiler is:

43. Boiler shells are made of:

44. In Lancashire boiler ________ is fitted at the end of side flues to control the draught?

45. Which of the following boilers uses forced circulation?

46. Simple vertical boilers generally used for:

47. Boilers are classified into:

48. The Benson boiler is also known as

49. Which boiler makes use of pressurised combustion?

50. The diameter of flue tube of a Cornish boiler may be about

51. Which is used to recover heat from the exhaust flue gas?

52. In locomotive and marine boilers which safety valve is used?

53. Which of the following are boiler mountings?

54. Which boiler mounting is used to protect the boiler against damage due to overheating for low water level?

55. Use of superheater is:

56. Which of the following is not a boiler mounting?

57. How many safety valves are usually provided in a steam boiler?

58. Which safety valve is used for stationary boilers?

59. Mud and scale are removed by:

60. Boiler accessories are used to:

61. Which device produces natural draught in a boiler system?

62. What is the main function of a chimney in a boiler system?

63. What type of steam has no moisture particles?

64. When is draught said to be forced in a boiler system?

65. What should be the chimney height for maximum discharge conditions?

66. Which type of draught system uses both induced and forced fans together?

67. What is the efficiency of a chimney defined as?

68. Which draught system works with both induced and forced draught fans simultaneously?

69. Which relation is used to calculate the power required for a draught fan?

70. Where is steam jet draught most suitably applied?

71. Which of the following is a solid fuel?

72. Which instrument is commonly used to measure the calorific value of solid and liquid fuels?

73. Which of the following is a gaseous fuel?

74. The calorific value of a fuel is expressed in which unit?

75. Which of the following best defines 'Equivalent Evaporation' of a boiler?

76. Which of the following parameters is usually considered in a boiler trial?

77. In Bomb Calorimeter, the purpose of using oxygen under high pressure is to:

78. Which of the following factors decreases boiler efficiency?

79. In a boiler trial, heat losses due to unburnt carbon in ash primarily indicate:

80. Which of the following does NOT directly affect boiler house heat losses?

81. What are the main constituents of fuel?

82. Which statement is true based on radiation?

83. Which thermodynamic law says that "Heat and mechanical work are mutually convertible"?

84. The device used to analyze flue gas sample is

85. Bicarbonates of calcium and magnesium responsible for ________ of water.

86. Which fuel is renewable obtained from living organisms?

87. Which material used to make boiler tubes?

88. If boiler water 'ph' drop below 8.5 the phenomenon called

89. To control growth of bacteria and algae, which treatment is used?

90. Water used in boiler is called

91. Which test is used to check leakage in pressure parts?

92. As per boiler act-1923 what is the period of certificate for use of boiler?

93. Boiler is restarted after a short duration of outage is called?

94. Starvation means

95. As per Indian boiler act, which section discuss about penalities for illegal use of boiler?

96. Which non-destructive test is used to check welding defect in pipe and tubes of boiler?

97. Where is fusible plug mounted?

98. When hydrostatic test conducted?

99. To maintain 'ph' in cooling water which acid is added?

100. Validity of Provisional order for permitting the boiler to be used