Compressors, Gas Turbines and Jet Engines Which is false statement about multistage compression? Power consumption per unit of air delivered is low Volumetric efficiency is high It is best suited for compression ratios around 7:1 The moisture in air is condensed in the inter-cooler Power consumption per unit of air delivered is low Volumetric efficiency is high It is best suited for compression ratios around 7:1 The moisture in air is condensed in the inter-cooler ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in a gas turbine Increases the turbine work Decreases the thermal efficiency Increases the thermal efficiency Increases the compressor work Increases the turbine work Decreases the thermal efficiency Increases the thermal efficiency Increases the compressor work ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The 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 Increase first at fast rate and then slow First increase, reach maximum and then decrease Decrease continuously Increase first at slow rate and then fast Increase first at fast rate and then slow First increase, reach maximum and then decrease Decrease continuously Increase first at slow rate and then fast ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, the ratio of the ________ to the blade velocity is called slip factor. Outlet whirl velocity Inlet velocity of flow Outlet velocity of flow Inlet whirl velocity Outlet whirl velocity Inlet velocity of flow Outlet velocity of flow Inlet whirl velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working substance is expanded in Exit nozzle, which is essentially an isentropic process Turbine blades, which is a constant volume process Turbine blades, which is essentially an isentropic process Exit nozzle, which is a constant volume process Exit nozzle, which is essentially an isentropic process Turbine blades, which is a constant volume process Turbine blades, which is essentially an isentropic process Exit nozzle, which is a constant volume process ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of compression is the ratio of Pressures at discharge and suction corresponding to same temperature Absolute discharge pressure to the absolute intake pressure Stroke volume and clearance volume Gauge discharge pressure to the gauge intake pressure Pressures at discharge and suction corresponding to same temperature Absolute discharge pressure to the absolute intake pressure Stroke volume and clearance volume Gauge discharge pressure to the gauge intake pressure ANSWER DOWNLOAD EXAMIANS APP
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