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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
In a boiler, the heat is lost

To steam formed by combustion of hydrogen per kg of fuel
All of these
In moisture present in the fuel
To dry flue gases

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Steam Boilers, Engines, Nozzles and Turbines
In a uniflow engine

Steam enters and exhausts through the same port
Steam enters at one end and exhausts at the centre
Steam enters at the centre and exhausts at the other end
None of these

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Steam Boilers, Engines, Nozzles and Turbines
The expansion of steam, as it flows over the blades in reaction turbine, represents

Isentropic process
Free expansion process
Throttling process
Isothermal process

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Steam Boilers, Engines, Nozzles and Turbines
The high steam and low water safety valve is used to blow off steam when the

Steam pressure exceeds the working pressure
None of these
Both (A) and (B)
Water level in the boiler becomes too low

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Steam Boilers, Engines, Nozzles and Turbines
The maximum heat loss is a boiler occurs due to

Dry flue gases
Moisture in fuel
Unburnt carbon
Steam formation

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

2 m
1 m
3 m
4 m

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