Compressors, Gas Turbines and Jet Engines The advantage of multistage compression over single stage compression is Higher volumetric efficiency All of these Lower power consumption per unit of air delivered Decreased discharge temperature Higher volumetric efficiency All of these Lower power consumption per unit of air delivered Decreased discharge temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volume of air sucked by the compressor during its suction stroke is called Compressor capacity Free air delivery Swept volume None of these Compressor capacity Free air delivery Swept volume None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air-fuel ratio in gas turbines is of the order of 15: 1 7: 1 50: 1. 30: 1 15: 1 7: 1 50: 1. 30: 1 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Mining industry usually employs following motive power Petrol engine Diesel engine Compressed air C. electric motor Petrol engine Diesel engine Compressed air C. electric motor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency can be attained by running the compressor At very high speed At average speed At zero speed At very slow speed At very high speed At average speed At zero speed At very slow speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The blades of gas turbine are made of Carbon steel High alloy steel High nickel alloy Stainless steel Carbon steel High alloy steel High nickel alloy Stainless steel ANSWER DOWNLOAD EXAMIANS APP
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