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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by

Curved line
Straight inclined line
Horizontal straight line
Vertical straight line

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Steam Boilers, Engines, Nozzles and Turbines
One kilowatt-hour energy is equivalent to

1000 J
3600 kW/sec
3600 kJ
360 kJ

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Steam Boilers, Engines, Nozzles and Turbines
The dry saturated steam at very high pressure (150200 kg/cm²) when throttled to atmosphere will become

Remain dry saturated
Wet
Superheated
Dry

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Steam Boilers, Engines, Nozzles and Turbines
Orsat meter is used for

Gravimetric analysis of the flue gases
Measuring smoke density of flue gases
Mass flow of the flue gases
Volumetric analysis of the flue gases

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Steam Boilers, Engines, Nozzles and Turbines
The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop

Increases
Remains the same
Is unpredictable
Decreases

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Steam Boilers, Engines, Nozzles and Turbines
The actual vacuum in a condenser is equal to

Barometric pressure - actual pressure
Gauge pressure + atmospheric pressure
Gauge pressure - atmospheric pressure
Barometric pressure + actual pressure

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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