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Interview Questions for Freshers, Site Engineer, Manager, Plumbing and Firefighting (Part-3)

Er. Parbhakar Dwivedi
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49. What is a water flow sensor?

50. What is a dry type sprinkler system?

51. What is the use of staircase pressurization?

52. What is a water flow switch for fire alarm?

53. How fire sprinkler actuates?

54. Radius of a sprinkler?

55. What is the standard length of hose in a hose reel cabinet?

56. What is the colour codes recommended for pipes for soft water?

57. What is the colour codes recommended for pipes for fire water?

58. What is a main drain test?

59. What is the use of burn control valve in firefighting?

60. How do you turn off the fire sprinkler?

61. What is hydrant/ landing valve?

62. What is the distance between each sprinkler?

63. How do I manually turn on a sprinkler valve?

64. Do we use strainers in fire pumps? Why?

65. What is OS&Y, Tamper switch, Pressure switch and their working?

66. What is bare minimum pressure required on last hydrant?

67. What is the use of pressure switch?

68. Types of detectors?

69. What is the flow and tamper switch?

70. What is FM-200 and where is it used?

71. What is a fire hydrant system?

72. How many sprinkler heads can be on one zone?

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