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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
1 kg.m is equal to

102 Joules
None of these
427 Joules
9.81 Joules

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Steam Boilers, Engines, Nozzles and Turbines
The safety valve on boiler drum compared to safety valve on superheater is set at

Higher value
Same value
Lower/higher depending on steam flow
Lower value

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Steam Boilers, Engines, Nozzles and Turbines
Willian’s line for the steam engine is a straight line relationship between the steam consumption per hour and

Indicated power
Efficiency
Brake power
Pressure of steam

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Steam Boilers, Engines, Nozzles and Turbines
Water at pressure of 4 kg/cm² and 160°C temperature when exposed to atmosphere will

Cool down
Flash i.e. get converted into steam
Remain as it was
Boil

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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
0°C
40°C
60°C

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Steam Boilers, Engines, Nozzles and Turbines
The critical pressure ratio for gases is

0.582
0.546
0.577
0.528

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