Maximum temprature in a gas turbine is of the order of COMPRESSORS, GAS TURBINES AND JET ENGINES______________________?

Related Mcqs:

1. The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is_______________?

   A. low B. high C. same D. low/high depending on make and type E. unpredictable...

2. 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...

3. The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio_____________________?

   A. increases B. decreases C. first increases and then decreases D. first decreases and then increases E. remains same...

4. As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio_____________________?

   A. increases B. decreases C. remains same D. first increases and then decreases E. first decreases and then increases...

5. If infinite number of heaters be used in a gas turbine, then expansion process in turbine approaches _________________?

   A. isothermal B. isentropic C. adiabatic D. isochoric E. isobaric...

6. The weight per horse power ratio for gas. turbine as compared to I.C. engine and steam turbine is________________?

   A. same B. higher C. lower D. uncomparable E. unpredictable...

7. The air-fuel ratio in gas turbines is of the order of ______________________?

   A. 7 : 1 B. 15 : 1 C. 30 : 1 D. 40 : 1 E. 50: 1...

8. The pressure ratio in gas turbines is of the order of__________________?

   A. 2:l b. 4:1 C. 61: 1 D. 9 : 1 E. 12:1....

9. In air breathing jet engine, the jet is formed by expanding__________________?

   A. gases B. solids C. liquid D. plasma E. highly heated atmospheric air...

10. In turbo fan engine, the jet velocity as compared to turbo-jet engine is_________________?

    A. less B. more C. same D. may be less or more depening upon speed E. none of the above...