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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Fire tube boilers are limited to a maximum design working pressure of

100 kg/cm²
6 kg/cm
17 kg/cm²
1 kg/cm

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Steam Boilers, Engines, Nozzles and Turbines
The critical pressure gives the velocity of steam at the throat

None of these
More than the velocity of sound
Less than the velocity of sound
Equal to the velocity of sound

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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.

0°C
60°C
40°C
100°C

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Steam Boilers, Engines, Nozzles and Turbines
The biggest size of thermal power unit operating in India is

100 MW
60 MW
500 MW
30 MW

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Steam Boilers, Engines, Nozzles and Turbines
The flow of steam is supersonic

At the throat of the nozzle
In the divergent portion of the nozzle
In the convergent portion of the nozzle
At the entrance to the nozzle

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Steam Boilers, Engines, Nozzles and Turbines
Steam in water tube boiler as compared to fire tube boiler

Is raised at same rate
Is raised at slower rate
Can be raised rapidly
Could be raised at fast/slow rate depending on design

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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