Compressors, Gas Turbines and Jet Engines The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is Same More More/less depending on compressor capacity Less Same More More/less depending on compressor capacity Less ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency is The ratio of the air actually delivered to the amount of piston displacement The ratio of stroke volume to clearance volume Reciprocal of compression ratio Index of compressor performance The ratio of the air actually delivered to the amount of piston displacement The ratio of stroke volume to clearance volume Reciprocal of compression ratio Index of compressor performance ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of work-done per cycle to the stroke volume of the compressor is known as Compressor efficiency Compressor capacity Compression ratio Mean effective pressure Compressor efficiency Compressor capacity Compression ratio Mean effective pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The material commonly used for air craft gas turbine is High alloy steel Timken, Haste alloys Duralumin Stainless steel High alloy steel Timken, Haste alloys Duralumin Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Producer gas is produced by Passing air and a large amount of steam over waste coal at about 65°C Carbonisation of coal Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Passing steam over incandescent coke Passing air and a large amount of steam over waste coal at about 65°C Carbonisation of coal Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Passing steam over incandescent coke ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would Remain same None of these Increase Decrease Remain same None of these Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
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