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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
By compounding the expansion of steam in two or more cylinders, the length of stroke

Increases
Does not change
None of these
Decreases

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Steam Boilers, Engines, Nozzles and Turbines
Caking coals are those which

Form lumps or masses of coke
Show little or no fusing action
Burn freely
Burn completely

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Steam Boilers, Engines, Nozzles and Turbines
A safety valve usually employed with stationary boilers is

Dead weight safety valve
Lever safety valve
All of the listed here
High steam and low water safety valve

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Steam Boilers, Engines, Nozzles and Turbines
Pulverized fuel is used for

More calorific value
Medium sized units
Better burning
Less radiation loss

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Steam Boilers, Engines, Nozzles and Turbines
Heating wet steam at constant temperature is heating it at constant

Pressure
Entropy
Volume
Enthalpy

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Steam Boilers, Engines, Nozzles and Turbines
The high pressure and low pressure cylinders in a Tandem type compound engine are regarded as having cranks

0° to each other
90° to each other
180° to each other
None of these

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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