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Mechanical Engineering Objective Questions { Power Plant Engineering }

64. Lancashire boiler is of
A.Stationary-fire tube-type
B.All of the above.
C.Natural cirulation type
D.Internally fired type

65. Fire tube boilers are those in which
A.Flue gases pass through tubes and water around it
B.Water passes through the tubes and flue• gases around it
C.Forced circulation takes place
D.Tubes are laid vertically

66. Which of the following substance will have. same percentage in both proximate and ultimate analysis
B.Volatile matter

67. The number of flue tubes in Lancashire boiler is

68. Which of the following is a fire tube boiler
A.Locomotive boiler
B.Babcock ad Wilcox boiler
C.Stirling boiler,
D.All of the above

69. Which of the following is a water tube bOler
A.Locomotive boiler
B.Cochran boiler
C.Cornish boiler
D.Babcock and Wilcox boiler

70. The diameter of cylindrical shell of the Lancashire boiler is of the order of
A.1 to 1.25m
B.1 to 1.75 m
C.2 to 4 m
D.1.75 to 2.75 m

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