Compressors, Gas Turbines and Jet Engines To avoid moisture troubles, the compressed air main line should Drop gradually towards the point of use Be laid vertically Be laid exactly horizontally Rise gradually towards the point of use Drop gradually towards the point of use Be laid vertically Be laid exactly horizontally Rise gradually towards the point of use ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For a two stage compressor, if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will Increase Decrease Other factors control it Remain unaffected Increase Decrease Other factors control it Remain unaffected 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. Inlet velocity of flow Inlet whirl velocity Outlet velocity of flow Outlet whirl velocity Inlet velocity of flow Inlet whirl velocity Outlet velocity of flow Outlet whirl velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If infinite number of heaters be used in a gas turbine, then expansion process in turbine approaches Isentropic Isochoric Isothermal Adiabatic Isentropic Isochoric Isothermal Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines It is not possible to use closed gas turbine cycle in aeronautical engines because It is bulky It is inefficient It requires cooling water for its operation None of these It is bulky It is inefficient It requires cooling water for its operation None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of air compressors is of the order of 70 - 90% 20 - 30% 40 - 50% 60 - 70% 70 - 90% 20 - 30% 40 - 50% 60 - 70% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS