Compressors, Gas Turbines and Jet Engines Gas turbine cycle with regenerator Increases thermal efficiency Allows operation at very high altitudes Decreases heat loss is exhaust Allows high compression ratio Increases thermal efficiency Allows operation at very high altitudes Decreases heat loss is exhaust Allows high compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Rotary compressors are suitable for Large discharge at high pressure Low discharge at high pressure Large discharge at low pressure Low discharge at low pressure Large discharge at high pressure Low discharge at high pressure Large discharge at low pressure Low discharge at low pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A compressor mostly used for supercharging of I.C. engines is Roots blower Reciprocating compressor Axial flow compressor Radial flow compressor Roots blower Reciprocating compressor Axial flow compressor Radial flow compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The blades of gas turbine are made of Stainless steel High alloy steel High nickel alloy Carbon steel Stainless steel High alloy steel High nickel alloy Carbon steel ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor falls roughly as follows for every 100 m increase in elevation 1.0% 0.1% 0.5% 5% 1.0% 0.1% 0.5% 5% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of the vane blower is (where W₁ = Workdone due to compression, and W₂ = Workdone due to back flow) W₂/(W₁ + W₂) (W₁ + W₂)/W₂ (W₁ + W₂)/W₁ W₁/(W₁ + W₂) W₂/(W₁ + W₂) (W₁ + W₂)/W₂ (W₁ + W₂)/W₁ W₁/(W₁ + W₂) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS