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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A binary vapor plant consists of

Steam turbine
Mercury boiler
Steam condenser
All of the listed here

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following is correct? (Where pa = Actual mean effective pressure, pm = Theoretical mean effective pressure, and K = Diagram factor)

pa = pm + K
pa = K/pm
pa = pm × K
pa = pm/K

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Steam Boilers, Engines, Nozzles and Turbines
While steam expands in turbines, theoretically the entropy

Remains constant
Behaves unpredictably
Decreases
Increases

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Steam Boilers, Engines, Nozzles and Turbines
When the speed of the engine is controlled by means of a valve in a steam pipe, which regulates the pressure of steam entering the engine, then the governing is known as

Throttle governing
None of these
Cut-off governing
By-pass governing

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

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

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Steam Boilers, Engines, Nozzles and Turbines
Hygrometry deals with the

Pressure of air
Water vapor in air
Hygroscopic substances
Temperature of air

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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