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 whirl velocity Inlet whirl velocity Outlet velocity of flow Inlet velocity of flow Outlet whirl velocity Inlet whirl velocity Outlet velocity of flow ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Water is injected in gas turbine cycle to Control output of turbine Increase efficiency Control fire hazards Control temperature Control output of turbine Increase efficiency Control fire hazards Control temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The fuel consumption in gas turbines is accounted for by Higher calorific value Higher heating value Heating value Lower heating value Higher calorific value Higher heating value Heating value Lower heating value ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio) 1 - (1/r) ɣ-1/ɣ 1 - (1/r) ɣ/ɣ-1 r ɣ-1 1 - r ɣ-1 1 - (1/r) ɣ-1/ɣ 1 - (1/r) ɣ/ɣ-1 r ɣ-1 1 - r ɣ-1 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A jet engine has No propeller Propeller on the top Propeller at back Propeller in front No propeller Propeller on the top Propeller at back Propeller in front ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In n₁ and n₂ are the indices of compression for the first and second stage of compression, then the ratio of work-done on the first and second stages (W₁/W₂) with perfect intercooling is given by W₁/W₂ = n₁(n₂ - 1)/n₂(n₁ - 1) W₁/W₂ = n₂/n₁ W₁/W₂ = n₂(n₁ - 1)/n₁(n₂ - 1) W₁/W₂ = n₁/n₂ W₁/W₂ = n₁(n₂ - 1)/n₂(n₁ - 1) W₁/W₂ = n₂/n₁ W₁/W₂ = n₂(n₁ - 1)/n₁(n₂ - 1) W₁/W₂ = n₁/n₂ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS