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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
For combustion of a fuel, following is essential

O₂ to support combustion
Correct fuel air ratio
Proper ignition temperature
All the three above

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Steam Boilers, Engines, Nozzles and Turbines
The reheat factor depends upon

Initial pressure and superheat
Turbine stage efficiency
All of these
Exit pressure

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Steam Boilers, Engines, Nozzles and Turbines
A safety valve mainly used with locomotive and marine boilers is

High steam and low water safety valve
Spring loaded safety valve
Lever safety valve
Dead weight safety valve

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Steam Boilers, Engines, Nozzles and Turbines
Locomotive type' boiler is

Water wall enclosed furnace type
Horizontal multi-tubular fire tube type
Vertical tubular fire tube type
Horizontal multi-tubular water tube boiler

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Steam Boilers, Engines, Nozzles and Turbines
The function of injector used in small steam plants is to

Create vacuum at turbine exhaust
Dose chemicals in feed water
Pump feed water
Create vacuum in furnace

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Steam Boilers, Engines, Nozzles and Turbines
The increase in pressure

Reduces its volume
Does not affects the boiling point of a liquid
Lowers the boiling point of a liquid
Raises the boiling point of a liquid

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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