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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
On Millier chart, the constant pressure lines

Diverge from right to left
Diverge from left to right
Are equally spaced throughout
First rise up and then fall

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Steam Boilers, Engines, Nozzles and Turbines
De-Laval turbines are mostly used

For small power purposes and high speeds
Where low speeds are required
For large power purposes
For small power purposes and low speeds

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Steam Boilers, Engines, Nozzles and Turbines
In a receiver type compound engine, the high pressure and low pressure cylinders

Are set in V-arrangement
Are set at 90°
Have common piston rod
Have separate piston rods

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Steam Boilers, Engines, Nozzles and Turbines
Reheating of steam under ideal conditions takes place at constant

Temperature
Entropy
Enthalpy
Pressure

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Steam Boilers, Engines, Nozzles and Turbines
The pressure velocity compounded impulse turbine allows a bigger pressure drop and hence __________ numbers of stages are required.

Less
Equal
More
None of the listed here

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Steam Boilers, Engines, Nozzles and Turbines
A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as

Blow off cock
Superheater
Fusible plug
Stop valve

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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