Compressors, Gas Turbines and Jet Engines Gas turbines use following type of air compressor Axial flow type Centrifugal type Lobe type Reciprocating type Axial flow type Centrifugal type Lobe type Reciprocating type 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 Decrease Increase None of these Remain same Decrease Increase None of these Remain same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, an increase in speed at a given pressure ratio causes Increase in flow and decrease in efficiency Decrease in flow Increase in flow Increase in efficiency Increase in flow and decrease in efficiency Decrease in flow Increase in flow Increase in efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The blades of gas turbine are made of Carbon steel Stainless steel High nickel alloy High alloy steel Carbon steel Stainless steel High nickel alloy High alloy steel ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The type of rotary compressor used in aeroplanes, is of Centrifugal type Radial flow type Axial flow type None of these Centrifugal type Radial flow type Axial flow type None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The indicated work per unit mass of air delivered is Greatly affected by clearance volume Directly proportional to clearance volume Inversely proportional to clearance volume Not affected by clearance volume Greatly affected by clearance volume Directly proportional to clearance volume Inversely proportional to clearance volume Not affected by clearance volume ANSWER DOWNLOAD EXAMIANS APP
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