The chimney draught varies with

A)
climatic conditions
B)
height of chimney
C)
temperature of furnace gases
D)
All of the above

Correct Answer : Option (D) :   All of the above

Recently Updated in Steam Boilers and Engines Questions
In forced circulation steam boilers, the force is applied
A)
to circulate water
B)
to draw water
C)
to drain off the water
D)
All of the above

Correct Answer :   to circulate water

The amount of water evaporated in kg per kg of fuel burnt is called
A)
boiler efficiency
B)
equivalent evaporation from and at 100° C
C)
evaporative capacity of a boiler
D)
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
A)
nozzle efficiency
B)
boiler efficiency
C)
vacuum efficiency
D)
condenser efficiency

Correct Answer :   vacuum efficiency

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Theory of Machines
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