Question: Gas turbine as compared to steam turbine [A]. requires less space for installation [B]. has compressor and combustion chamber [C]. has less efficiency [D]. all of these Answer: Option D Explanation: No answer description available for this question.

Question: In a gas turbine, air is obtained from the atmosphere and compressed in an air compressor. [A]. True [B]. False Answer: Option A Explanation: No answer description available for this question.

Question: The basic principle of the rocket propulsion is the same as that of jet propulsion. [A]. Yes [B]. No Answer: Option A Explanation: No answer description available for this question.

Question: Only rocket engines can be propelled to space because [A]. they can generate very high thrust [B]. they have high propulsion efficiency [C]. these engines can work on several fuels [D]. they are not air-breathing engines Answer: Option D…

Question: Which of the following statement is correct relating to rocket engines ? [A]. The combustion chamber in a rocket engine is directly analogous to the reservoir of a super sonic wind tunnel [B]. The stagnation conditions exist at the…

Question: A rocket works with maximum overall efficiency when air-craft velocity is __________ the jet velocity. [A]. equal to [B]. one-half [C]. double Answer: Option B Explanation: No answer description available for this question.

Question: A rocket engine uses __________ for the combustion of its fuel. [A]. surrounding air [B]. compressed atmospheric air [C]. its own oxygen [D]. none of these Answer: Option C Explanation: No answer description available for this question.

Question: In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working substance is expanded in [A]. exit nozzle, which is a constant volume process [B]. exit nozzle, which is essentially an…

Question: In open cycle turbo-jet engines used in military aircraft, reheating the exhaust gas from the turbine by burning, more fuel is used to increase the [A]. thrust and range of aircraft [B]. efficiency of the engine [C]. both (a)…

Question: In a jet propulsion unit, the products of combustion after passing through the gas turbine are discharged into [A]. atmosphere [B]. vacuum [C]. discharge nozzle [D]. back to the compressor Answer: Option C Explanation: No answer description available for…