Correct answer
B. decrease
Explanation
The correct answer is decrease.
If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix i and o stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity________?
The coefficient of performance is the ratio of the refrigerant effect to the________?
According to which law, all perfect gases change in volume by l/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant ________?
Electron-volt is the unit of________?
A fast breeder reactor________?
Zeroth law of thermodynamics________?