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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Heating of dry steam above saturation temperature is known as

Super saturation
Superheating
Enthalpy
Latent heat

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

1 m
4 m
2 m
3 m

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Steam Boilers, Engines, Nozzles and Turbines
The change in internal energy in steam engines equals to

Work done during compression
Change in enthalpy
Work done during adiabatic expansion
Work done during the Rankine cycle

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Steam Boilers, Engines, Nozzles and Turbines
The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity ‘V’ at inlet)

Vb = V² cos α
Vb = 0.5 V cosα
Vb = V cos α
Vb = 0.5 V² cosα

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Steam Boilers, Engines, Nozzles and Turbines
An impulse turbine as compared to a reaction turbine, for a given power has _________ row of blades.

Equal
More
None of these
Less

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Steam Boilers, Engines, Nozzles and Turbines
In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is

High
Very low
Very high
Low

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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