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1. The power available for takeoff and climb in case of turbojet engine as compared to reciprocating engine is

1.

The power available for takeoff and climb in case of turbojet engine as compared to reciprocating engine is

1.

The power available for takeoff and climb in case of turbojet engine as compared to reciprocating engine is

2.

Which of the following statement is correct relating to rocket engines?

3.

In the axial flow gas turbine, the work ratio is the ratio of

4.

High air-fuel ratio in gas turbines

5.

Volumetric efficiency of a compressor decreases with ________ in compression ratio.

6.

If p₁ is the pressure of air entering the L.P, cylinder and p₃ is the pressure of air leaving the H.P. cylinder, then the ratio of cylinder diameters for a single acting, two stage reciprocating compressor with complete intercooling is given by

7.

In n₁ and n₂ are the indices of compression for the first and second stage of compression, then the ratio of work-done on the first and second stages (W₁/W₂) with perfect intercooling is given by

8.

If p₁, is the pressure of air entering the L.P. cylinder and p₂ is the pressure of air leaving the L.P. cylinder (or inter-cooler pressure), then the ratio of cylinder diameters for a single acting, two stage reciprocating air compressor with complete intercooling is given by (where D₁ = Dia. of L.P. cylinder, and D₂ = Dia. of H.P. cylinder)

9.

The pressure and temperature conditions of air at the suction of compressor are

10.

The thrust on the rotor in a centrifugal compressor is produced by