A. Rapidly first and then slowly
B. Linearly
C. Slowly first and then rapidly
D. Exponentially
Related Mcqs:
- Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which _____________ with increase in the pressure of steam?
A. Decreases
B. Increases
C. Remain same
D. May increase or decrease - Saturated steam at a pressure of 25 kg/cm2 is throttled to attain 5 kg/cm2. Then the outcoming steam will be_________________?
A. Wet
B. Saturated
C. Superheated
D. None of these - High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from _______________ percent ?
A. 5 to 10
B. 15 to 25
C. 45 to 50
D. 75 to 80 - A high pressure boiler generates steam at a pressure greater than _____________________ kg/cm2 ?
A. 10
B. 30
C. 50
D. 80 - The delivery pressure of boiler feed water pump compared to the boiler steam pressure is___________________?
A. Same
B. Slightly less
C. Slightly more
D. Much more - Dry saturated steam can be converted into super heated steam by____________________?
A. Increasing its cross-sectional area of flow
B. Passing it through a pressure reducing valve
C. Forcing it downwards through a vertical tube
D. None of these - . 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 - Velocity of a gas in sound is not proportional to (where, T = Absolute temperature of the gas. P = Absolute pressure of the gas. y = Ratio of specific heats (Cp/Cv) ρ = specific weight of the gas) ?
A. √T
B. 1/√P
C. √y
D. 1/√ρ - Pressure required to increase the density of water by about 1% is ____________________ atmosphere?
A. 10
B. 50
C. 200
D. 1000 - With increase in annealing temperature, the following defect density decreases?
A. Vacancy
B. Dislocation
C. Grain boundary
D. All of these
