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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The length of Cornish boiler is of the order of

57.5 m
35 m
79 m
24 m

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Steam Boilers, Engines, Nozzles and Turbines
When the cross-section of a nozzle __________ continuously from entrance to exit, it is called a convergent nozzle.

Increases
Decreases
None of these
Remain same

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Steam Boilers, Engines, Nozzles and Turbines
The safety valve on boiler drum compared to safety valve on superheater is set at

Higher value
Same value
Lower/higher depending on steam flow
Lower value

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Steam Boilers, Engines, Nozzles and Turbines
The three "Ts" for good combustion are

Thorough mixing, total air and temperature
Total air, time, and temperature
Temperature, time, and turbulence
Total air, true fuel, and turbulence

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Steam Boilers, Engines, Nozzles and Turbines
Curtis turbine is a

Pressure compounded turbine
Pressure-velocity compounded turbine
Velocity compounded turbine
Simple reaction turbine

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Steam Boilers, Engines, Nozzles and Turbines
The purpose of governing in steam turbines is to

Maintain the speed of the turbine
Reheat the steam and improve its quality
Reduce the effective heat drop
Completely balance against end thrust

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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