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Nozzles and Turbines

In an experiment to determine dryness fraction of steam, the mass of water separated was 1.2 kg in 15 mts and the mass of steam passed out in same time was 4.8 kg. Dryness fraction is__________________?

Engines, Nozzles and Turbines, Steam Boilers /
In an experiment to determine dryness fraction of steam, the mass of water separated was 1.2 kg in 15 mts and the mass of steam passed out in same time was 4.8 kg. Dryness fraction is__________________?

A. 40%
B. 25%
C. 50%
D. 80%
E. 90%

In an experiment to determine dryness fraction of steam, the mass of water separated was 1.2 kg in 15 mts and the mass of steam passed out in same time was 4.8 kg. Dryness fraction is__________________? Read More »

Engines, Nozzles and Turbines, Steam Boilers

The dry saturated steam at very high pressure (150-200 kg/cm2) when throttled to atmosphere will become_______________?

Engines, Nozzles and Turbines, Steam Boilers /
The dry saturated steam at very high pressure (150-200 kg/cm2) when throttled to atmosphere will become_______________?

A. wet
B. superheated
C. remain dry saturated
D. dry
E. none of the above

The dry saturated steam at very high pressure (150-200 kg/cm2) when throttled to atmosphere will become_______________? Read More »

Engines, Nozzles and Turbines, Steam Boilers

The dry saturated steam at very low pressure, (5-10 kg/cm2) when throttled to atmosphere will become________________?

Engines, Nozzles and Turbines, Steam Boilers /
The dry saturated steam at very low pressure, (5-10 kg/cm2) when throttled to atmosphere will become________________?

A. wet
B. superheated
C. remain dry satruated
D. dry
E. none of the above

The dry saturated steam at very low pressure, (5-10 kg/cm2) when throttled to atmosphere will become________________? Read More »

Engines, Nozzles and Turbines, Steam Boilers

On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by_______________?

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

A. horizontal straight line
B. vertical straight line
C. straight inclined line
D. curved line
E. none of the above

On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by_______________? Read More »

Engines, Nozzles and Turbines, Steam Boilers