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Steam Boilers, Engines, Nozzles and Turbines

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

Equal
None of these
Less
More

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Steam Boilers, Engines, Nozzles and Turbines
Hygrometry deals with the

Water vapor in air
Pressure of air
Hygroscopic substances
Temperature of air

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Steam Boilers, Engines, Nozzles and Turbines
An economiser is installed in a boiler primarily to

Superheat the steam
All of the listed here
Reduce fuel consumption
Increase steam pressure

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Steam Boilers, Engines, Nozzles and Turbines
In an impulse turbine, steam expands

Partly in the nozzle and partly in blades
Wholly in blades
None of these
Wholly in nozzle

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Steam Boilers, Engines, Nozzles and Turbines
100% efficiency of a thermal cycle cannot be achieved because of

It is not possible to achieve 0°K temperature
Frictional losses
Non availability of ideal substance
Leakage

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

3 m
1 m
2 m
4 m

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