Compressors, Gas Turbines and Jet Engines Propulsion efficiency of the following order is obtained in practice 0.6 0.5 0.34 0.72 0.6 0.5 0.34 0.72 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines After-cooler is used to Reduce volume Cause moisture and oil vapour to drop out Cool the air Decrease the delivery temperature for ease in handling Reduce volume Cause moisture and oil vapour to drop out Cool the air Decrease the delivery temperature for ease in handling ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pressure ratio in gas turbines is the ratio of Pressures across the turbine Compressor pressure ratio Inlet pressure to exhaust pressure Highest pressure to exhaust pressure Pressures across the turbine Compressor pressure ratio Inlet pressure to exhaust pressure Highest pressure to exhaust pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For perfect intercooling in a two stage compressor p₁/p₃ = p₂/p₁ p₁ = p₂ p3 p₂/p₁ = p₃/p₂ p₁ = p3 p₁/p₃ = p₂/p₁ p₁ = p₂ p3 p₂/p₁ = p₃/p₂ p₁ = p3 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A large clearance volume in a reciprocating compressor results in Lower suction pressure Reduced volume flow rate Increased volume flow rate Lower delivery pressure Lower suction pressure Reduced volume flow rate Increased volume flow rate Lower delivery pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For speed above 3000 km/hour, it is more advantageous to use Rockets Turbojet engine Propellers Ramjet engine Rockets Turbojet engine Propellers Ramjet engine ANSWER DOWNLOAD EXAMIANS APP