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

Related Mcqs:

Cylinder clearance in a compressor should be _________________?

A. as large as possible B. as small as possible C. about 50% of swept volume D. about 100% of swept volume E. none of the above...

The clearance volume of the air compressor is kept minimum because____________________?

A. it allows maximum compression to be achieved B. it greatly affects volumetric efficiency C. it results in minimum work D. it permits isothermal compression E. none of the above...

For supplying intermittent small quantity of air at high pressure, following compressor is best suited__________________?

A. centrifugal B. reciprocating C. axial D. screw E. turbo jet...

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...

The maximum propulsion efficiency of a turbojet is attained at around following speed __________________?

A. 550 km/hr B. 1050km/hr C. 1700 km/hr D. 2400km /hr E. 4000 km/hr...