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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Fire tube boilers are

None of these
Internally fired
Externally fired
Internally as well as externally fired

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

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

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

Reaction type
All of these
Velocity compounded type
Pressure compounded type

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Steam Boilers, Engines, Nozzles and Turbines
The maximum discharge of steam through a convergent-divergent nozzle depends upon

Initial pressure and volume of steam
Final pressure of steam leaving the nozzle
Both (A) and (B)
Area of nozzle at throat

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Steam Boilers, Engines, Nozzles and Turbines
For burning 1 kg of carbon to CO as per chemically correct combustion, amount of air required is

2 kg
4/3 kg
8/3 kg
1 kg

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Steam Boilers, Engines, Nozzles and Turbines
Steam exhaust from high pressure turbine is reheated in

Boiler drums
Economizer
Superheater tubes
A separate coil located in convection path

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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