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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The amount of water evaporated from feed water at _________ into dry and saturated steam at 100° C at normal atmospheric pressure is called equivalent evaporation from and at 100° C.

100°C
40°C
60°C
0°C

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Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler is a

Mobile fire tube boiler
Water tube boiler with natural/forced circulation
Stationary fire tube boiler
Stationary water tube boiler

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Steam Boilers, Engines, Nozzles and Turbines
Mechanical equivalent of heat for 1 kcal or Joule's equivalent is equal to

539 kg.m
102 kg.m
421 kg.m
421 kg.m

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Steam Boilers, Engines, Nozzles and Turbines
A safety valve in a locomotive starts leaking. The leaking medium will be

Water
Super heated steam
Dry steam
Wet steam

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Steam Boilers, Engines, Nozzles and Turbines
The draught produced by a steam jet issuing from a nozzle placed in the chimney is called

Forced steam jet draught
None of these
Chimney draught
Induced steam jet draught

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Steam Boilers, Engines, Nozzles and Turbines
Which type of boiler can meet rapid changes of load?

Forced circulation type
Horizontal fire tube type
Vertical fire tube type
Horizontal water tube type

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