High nickel alloy

Stainless steel

Carbon steel

High alloy steel

**The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in…****If the flow of air through the compressor is parallel to its axis, then the compressor is****Pick up the wrong statement****Adiabatic compression is one in which****The thrust of a jet propulsion power unit can be increased by****A closed cycle gas turbine gives ________ efficiency as compared to an open cycle gas turbine.****The working fluid in a turbine is****The compressor efficiency is the****The mass of gas turbine per kW developed is about ________ as that of an I.C. engine.****The work ratio of simple gas turbine cycle depends on****The maximum propulsion efficiency of a turbojet is attained at around following speed****Propulsion efficiency of the following order is obtained in practice****The degree of reaction is usually kept ________ for all types of axial flow compressors.****For an irreversible gas turbine cycle, the efficiency and work ratio both depend on****Mining industry usually employs following motive power****Euler's equation can be used for****In multistage compressor, the isothermal compression is achieved by****Rotary compressor is best suited for****The volumetric efficiency for reciprocating air compressors is about****It is not possible to use closed gas turbine cycle in aeronautical engines because****The compressor capacity is defined as the****Pick up the false statement****The clearance volume of the air compressor is kept minimum because****Which of the following statement is correct?****A closed cycle gas turbine consists of a****Aeroplanes employ following type of compressor****Euler's equation is applicable for****Efficiency of gas turbine is increased by****The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram…****The efficiency of a jet engine is higher at**