Compressors, Gas Turbines and Jet Engines The working fluid in a turbine is In three phases In the form of air and water mixture In a single phase In two phases In three phases In the form of air and water mixture In a single phase In two phases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The stagnation pressure rise in a centrifugal compressor takes place In the impeller only In the inlet guide vanes only In the diffuser only In the diffuser and impeller In the impeller only In the inlet guide vanes only In the diffuser only In the diffuser and impeller ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volume of air delivered in a medium capacity air compressor per unit time is Above 5 m³/s 0.1 to 1.2 m³/s 0.15 to 5 m³/s None of these Above 5 m³/s 0.1 to 1.2 m³/s 0.15 to 5 m³/s None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed gas turbine in which fuel is burnt directly in the air is not possible because of Increasing gas temperature Paucity of O2 High friction losses High specific volume Increasing gas temperature Paucity of O2 High friction losses High specific volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction of an axial flow turbine is the ratio of isentropic temperature drop in a blade row to the Adiabatic temperature drop in the stage Total temperature drop Total temperature drop in the stage Total adiabatic temperature drop Adiabatic temperature drop in the stage Total temperature drop Total temperature drop in the stage Total adiabatic temperature drop ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall isothermal efficiency of compressor is defined as the ratio of Isothermal h.p. to the BHP of motor Isothermal h.p. to adiabatic h.p. Work to compress air isothermally to work for actual compression Power to drive compressor to isothermal h.p. Isothermal h.p. to the BHP of motor Isothermal h.p. to adiabatic h.p. Work to compress air isothermally to work for actual compression Power to drive compressor to isothermal h.p. ANSWER DOWNLOAD EXAMIANS APP