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Steam Boilers, Engines, Nozzles and Turbines

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

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

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

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

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Steam Boilers, Engines, Nozzles and Turbines
The latent heat of steam with increase of pressure

Behaves unpredictably
Remain same
Increases
Decreases

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

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

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

500 MW
100 MW
60 MW
30 MW

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Steam Boilers, Engines, Nozzles and Turbines
In locomotive boiler, maximum steam pressure is limited to

1 kg/cm²
10 kg/cm²
5 kg/cm²
18 kg/cm²

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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