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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
1 kg.m is equal to

102 Joules
427 Joules
None of these
9.81 Joules

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Steam Boilers, Engines, Nozzles and Turbines
In forced circulation steam boilers, the force is applied

To circulate water
To draw water
To drain off the water
All of these

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Steam Boilers, Engines, Nozzles and Turbines
The effect of bleeding is that

Boiler is supplied with hot water
All of these
It decreases the power developed by the turbine
It increases the thermodynamic efficiency of the turbine

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Steam Boilers, Engines, Nozzles and Turbines
The shell diameter and length of locomotive boiler are

1.5 m, 4 m
1.5 m, 6 m
2 m, 4 m
1 m, 4 m

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Steam Boilers, Engines, Nozzles and Turbines
The critical pressure ratio for initially wet steam is

0.582
0.601
0.546
0.577

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of heat equivalent to brake power to the energy supplied in steam is known as

Mechanical efficiency
Overall efficiency
Brake thermal efficiency
Indicated thermal efficiency

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