Pick up the correct statement ?

Related Mcqs:

Isothermal compression effeicency can be attained by running the compressor__________________?

A. at very high speed B. at very slow speed C. at average speed D. at zero speed E. isothermally...

The criterion of the thermodynamic efficiency for rotary compressor is_________________?

A. isentropic compression B. isothermal compression C. polytropic compression D. any one of the above E. none of the above...

Temperature of gases at end of compression as compared to exhaust gases in a gas turbine is_________________?

A. higher B. lower C. equal D. can’t be compared E. unpredictable...

Choose the correct statement ________________?

A. gas turbine requires lot of cooling water B. gas turbine is capable of rapid start up and loading C. gas turbines have flat efficiency at part loads D. gas turbines have high standby losses and require lot of maintenance E. gas turbines can be used to generate power only...

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______________?

A. Vi=V0B B. Vt>V0 C. U,<V0 D. V,= U0 E. Vri=Vm...