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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
9.81 Joules
None of these

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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

Overall efficiency
Brake thermal efficiency
Mechanical efficiency
Indicated thermal efficiency

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Steam Boilers, Engines, Nozzles and Turbines
Sulphur in coal results in

All of these
Corroding air heaters
Spontaneous combustion during coal storage
Facilitating ash precipitation

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Steam Boilers, Engines, Nozzles and Turbines
The radius of a dished head is taken approximately as

One
Half
One fourth
Two

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Steam Boilers, Engines, Nozzles and Turbines
The shell diameter of a Locomotive boiler is

2.5 m
2 m
1 m
1.5 m

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Steam Boilers, Engines, Nozzles and Turbines
In a Woolf type compound engine, the high pressure and low pressure cylinders

Are set at 90°
Are set in V arrangement
Have common piston rod
Have separate piston rod

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