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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Multi-stage steam turbines are of the

Pressure compounded type
Reaction type
All of these
Velocity compounded type

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Steam Boilers, Engines, Nozzles and Turbines
A compound steam engine in which piston rods of high pressure and low pressure cylinders ' are attached to two different cranks set at 180° to each other, is called

Woolf type compound engine
Both (A) and (B)
Receiver type compound engine
Tandem type compound engine

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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?

Locomotive boiler
Lancashire boiler
Cornish boiler
Babcock and Wilcox boiler

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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

Superheater
Water space also
Steam space
Chimney

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Steam Boilers, Engines, Nozzles and Turbines
A supercritical boiler is one that operates above the pressure and temperature of following values

218 kg/cm² abs and 373°C
218 kg/cm² abs and 540°C
100 kg/cm² and 540°C
1 kg/cm² and 100°C

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

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