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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit.

Safety valve
Fusible plug
Blow off cock
Stop valve

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Steam Boilers, Engines, Nozzles and Turbines
The effect of bleeding is that

All of these
It decreases the power developed by the turbine
Boiler is supplied with hot water
It increases the thermodynamic efficiency of the turbine

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Steam Boilers, Engines, Nozzles and Turbines
Locomotive boiler is of the following type

Multi tubular
Internally fired
All of the listed here
Horizontal

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Steam Boilers, Engines, Nozzles and Turbines
The best suited coal for chain or traveling grate stoker boiler is

High sulphur coal
Coking coal
Non-coking or free burning coal
Pulverized coal

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Steam Boilers, Engines, Nozzles and Turbines
In a nozzle, whole frictional loss is assumed to occur between

Inlet and outlet
Inlet and throat
All of these
Throat and exit

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Steam Boilers, Engines, Nozzles and Turbines
Maximum energy loss in a boiler occurs due to

Flue gases
Incomplete combustion
Unburnt carbon in ash
Ash content

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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