Related Questions

"is helen really going to start a journey to climb Mount Everest or is she just blowing smoke?" here 'blowing smoke' means ----
A talking about action without intent to follow throuth
B boasting with prejudice
C declaring particular target
D nonchalant expression of action
A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit.
A Blow off cock
B Fusible plug
C Stop valve
D Safety valve
When the circulation of water, in a boiler, is by convection currents which are set up during the heating of water, then the boiler is known as
A Internally fired boiler
B Externally fired boiler
C Natural circulation boiler
D Forced circulation boiler
Any wind blowing down the slope of a mountain is called:
A Anabatic Wind
B Katabatic Wind
C Down Falling Wind
D Slope Wind
Warm dry winds blowing down the east slopes of Rockies are known as ________
A Mistral
B Nor' westers
C Foehn
D Chinook
The cold and dense air blowing down the mountain slope during the night is known as ________
A Anabatic wind
B Khamsin
C Katabatic wind
D Harmattan
For the same diameter and thickness of tube, a water tube boiler has ________ heating surface as compared to fire tube boiler.
A More
B Less
C Equal
D None of these
Steam in water tube boiler as compared to fire tube boiler
A Can be raised rapidly
B Is raised at slower rate
C Is raised at same rate
D Could be raised at fast/slow rate depending on design
A device used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit, is called
A Blow off cock
B Stop valve
C Superheater
D None of these
For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has
A More heating surface
B Less heating surface
C Equal heating surface
D Heating surface depends on other parameters

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