The function of a piston in a steam engine is - Steam Boilers and Engines Quiz

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

The function of a piston in a steam engine is

to transfer motion from the piston to the cross-head

to guide motion of the piston rod and to prevent it from bending

to convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment

None of the above

Correct Answer : Option (C) : to convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment

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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