Ratio of indicated H.P. and brake H.P. is known as_________________? - PakMcqs

Related Mcqs:

1. Ratio of indicated h.p. to shaft h.p. in known as__________________?

   A. compressor efficiency B. isothermal efficiency C. volumetric efficiency D. mechanical efficiency E. adiabatic efficiency...

2. The indicated work per unit mass of air delivered is___________________?

   A. directly proportional to clearance volume B. greatly affected by clearance volume C. not affected by clearance volume D. inversely proportional to clearance volume...

3. Ratio of compression is the ratio of__________________?

   A. gauge discharge pressure to the gauge intake pressure B. absolute discharge pressure to the ab-solute intake pressure C. pressures at discharge and suction cor-responding to same temperature D. stroke volume and clearance volume E. none of the above...

4. The work ratio of a gas turbine plant is defined as the ratio of__________________?

   A. net work output and heat supplied (6) net work output and work done by tur¬bine C. actual heat drop and isentropic heat drop D. net work output and isentropic heat drop E. isentropic increase/drop in tempera¬ture and actual increase/ drop in temperature...

5. There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would__________________?

   A. remain same B. decrease C. increase D. unpredictable E. none of the above...

6. In the axial flow gas turbine, the work ratio is the ratio of____________________?

   A. compressor work and turbine work B. output and input C. actual total head tempeature drop to the isentrpic total head drop from total head inlet to static head outlet D. actual compressor work and theoretical comprssor work E. none of the above...

7. Work ratio of a gas turbine plant is ratio of______________________?

   A. net work output and work done by turbine B. net work output and heat supplied C. work done by turbine and heat supplied D. work done by turbine and net work output E. actual/heat drop and isentropic heat drop...

8. Pressure ratio in gas turbines is the ratio of ____________________?

   A. compressor pressure ratio B. highest pressure to exhaust pressure C. inlet pressure to exhaust pressure D. pressures across the turbine E. none of the above...

9. The ratio of isentropic work to Euler work is known as_____________________?

   A. pressure coefficient B. work coefficient C. polytropic reaction D. slip factor E. compressor efficiency...

10. The ratio of isentropic work to euler’s work is known as _____________________?

    A. compressor efficiency B. isentropic efficiency C. Euler’s efficiency D. pressure coefficient E. pressure ratio...