Related Questions

Dryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of mixture __________ calorimeter is not used for measuring the dryness fraction of steam.
A Bomb
B Separating
C Bucket
D Throttling
Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.
A Bomb
B Throttling
C Junker's
D Boy's
The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam.
A Wetness
B Mass flow rate
C Both A & B
D Neither A nor B
__________ calorimeter is normally used for measuring the dryness fraction of steam, when it is very low.
A Bucket
B Throttling
C Separating
D A combination of separating & throttling
If a steam sample is nearly in dry condition, then its dryness fraction can be most accurately determined by
A Throttling calorimeter
B Separating calorimeter
C Combined separating and throttling calorimeter
D Bucket calorimeter
Dryness fraction of dry steam is
A 0
B $$\infty $$
C 1
D 0.5
When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle is said to be
A Choked
B Under-damping
C Over-damping
D None of these
If the numerator of a fraction is increased by 150% and the denominator of a fraction increased by 200% fraction becomes 10/19. Find the fraction.
A 12/17
B 10/16
C 12/19
D 9/11
If 1 is added to the numerator of a fraction, the fraction becomes 1. If 1 is added to the denominator, the fraction becomes 12Find the fraction.
A 13
B 12
C 23
D 34
The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle)
A Remains constant
B Decreases
C Increases
D None of these

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