Q121
Open questionWhich of the following statement is correct?
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Mechanical Engineering · all questionsCompressors, Gas Turbines And Jet Engines
Compressors, Gas Turbines And Jet Engines
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Q122
Open questionWhich of the following statement is correct?
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Q123
Open questionThe assumption made in two stage compression with inter-cooler is that
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Q124
Open questionThe temperature of air at the beginning of the compression stroke is ________ the atmospheric temperature.
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Q125
Open questionWhen the outlet angle from the rotor of a centrifugal compressor is more than 90°, then the blades are said to be
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Q126
Open questionThe volumetric efficiency of compressor with increase in compression ratio will
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Q127
Open questionThe thermodynamic efficiency of rotary compressor is based on
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Q128
Open questionThe ratio of work-done per cycle to the stroke volume of the compressor is known as
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Q129
Open questionThe stagnation pressure rise in a centrifugal compressor takes place
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Q130
Open questionThe specific output per kg mass flow rate of a gas turbine (having fixed efficiencies of compressor and turbine and fixed higher and lower temperature) with increase in pressure ratio will
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Q131
Open questionIn a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to
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Q132
Open questionWhen the temperature of air leaving the inter-cooler, in a two stage compression with inter-cooler, is ________ the original atmospheric air temperature, then the intercooling is known as perfect or complete intercooling.
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Q133
Open questionThe mass of gas turbine per kW developed is about ________ as that of an I.C. engine.
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Q134
Open questionA jet engine works on the principle of conservation of
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Q135
Open questionA compressor mostly used for supercharging of I.C. engines is
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Q136
Open questionPropulsive efficiency is defined as ratio of
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Q137
Open questionThe degree of reaction is usually kept ________ for all types of axial flow compressors.
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Q138
Open questionThe material commonly used for air craft gas turbine is
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Q139
Open questionWhich one of the following is the effect of blade shape on performance of a centrifugal compressor?
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Q140
Open questionIntercooling in gas turbines
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