Blow off cock in a boiler is used to - Steam Boilers and Engines Quiz

Mechanical Engineering : Steam Boilers and Engines - Quiz(MCQ)

Blow off cock in a boiler is used to

increase the temperature of saturated steam without raising its pressure

put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit

control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required

empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler

Correct Answer : Option (D) : empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler

Recently Updated in Steam Boilers and Engines Questions

In forced circulation steam boilers, the force is applied

to circulate water

to draw water

to drain off the water

All of the above

Correct Answer : to circulate water

The amount of water evaporated in kg per kg of fuel burnt is called

boiler efficiency

equivalent evaporation from and at 100Â° C

evaporative capacity of a boiler

None of the above

Correct Answer : evaporative capacity of a boiler

The ratio of the actual vacuum to the ideal vacuum in a condenser is called

nozzle efficiency

boiler efficiency

vacuum efficiency

condenser efficiency

Correct Answer : vacuum efficiency

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