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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A condenser in a steam power plant

Reduces temperature of exhaust steam
Increases expansion ratio of steam
Reduces back pressure of steam
All of these

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following boiler is best suited to meet the fluctuating demand of steam?

Lancashire boiler
Locomotive boiler
Babcock and Wilcox boiler
Cornish boiler

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Steam Boilers, Engines, Nozzles and Turbines
The fittings mounted on the boiler for its proper and safe functioning is a

Water level indicator
Safety valve
Pressure gauge
All of these

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Steam Boilers, Engines, Nozzles and Turbines
The increase in pressure

Reduces its volume
Does not affects the boiling point of a liquid
Raises the boiling point of a liquid
Lowers the boiling point of a liquid

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Steam Boilers, Engines, Nozzles and Turbines
A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio is 0.42, then the inlet velocity of steam will be

450 m/s
188 m/s
79 m/s
900 m/s

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Steam Boilers, Engines, Nozzles and Turbines
In a glass tube type water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to

Water space also
Steam space
Superheater
Chimney

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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