Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, the ratio of the ________ to the blade velocity is called slip factor. 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 Outlet whirl velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines 1 m of air at atmospheric condition weighs approximately 1.0 kg 0.5 kg 2.2 kg 1.3 kg 1.0 kg 0.5 kg 2.2 kg 1.3 kg ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of 0.99 0.85 0.75 0.9 0.99 0.85 0.75 0.9 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of isentropic work to Euler’s work is known as Isentropic efficiency Pressure coefficient Compressor efficiency Euler Isentropic efficiency Pressure coefficient Compressor efficiency Euler ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The assumption made in two stage compression with inter-cooler is that The compression in both the cylinders is polytropic The suction and delivery of air takes place at constant pressure All of the listed here There is no pressure drop in the inter-cooler The compression in both the cylinders is polytropic The suction and delivery of air takes place at constant pressure All of the listed here There is no pressure drop in the inter-cooler ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio First decreases and then increases Decreases First increases and then decreases Increases First decreases and then increases Decreases First increases and then decreases Increases ANSWER DOWNLOAD EXAMIANS APP