Compressors, Gas Turbines and Jet Engines Mechanical efficiency of gas turbines as compared to I.C engines is None of these Higher Lower Same None of these Higher Lower Same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If p₁, is the pressure of air entering the L.P. cylinder and p₂ is the pressure of air leaving the L.P. cylinder (or inter-cooler pressure), then the ratio of cylinder diameters for a single acting, two stage reciprocating air compressor with complete intercooling is given by (where D₁ = Dia. of L.P. cylinder, and D₂ = Dia. of H.P. cylinder) D₁/D₂ = p₂/p₁ D₁/D₂ = p₁/p₂ None of these D₁/D₂ = p₁ p₂ D₁/D₂ = p₂/p₁ D₁/D₂ = p₁/p₂ None of these D₁/D₂ = p₁ p₂ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines What will be the volume of air at 327°C if its volume at 27°C is 1.5 m³/ mt? 6 m³/ mt. 18 m³/ mt. 3 m³/ mt. 1.5 m³/ mt. 6 m³/ mt. 18 m³/ mt. 3 m³/ mt. 1.5 m³/ mt. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor decreases with ________ in compression ratio. Remain same Decrease Does not change Increase Remain same Decrease Does not change Increase ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The reason for volumetric efficiency of reciprocating compressor being less than 100 percent is Pressure drop across the valves Clearance volume and leakages All of these Superheating in compressor Pressure drop across the valves Clearance volume and leakages All of these Superheating in compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbines for power generation are normally used To enable start thermal power plant To supply peak load requirements To supply base load requirements In emergency To enable start thermal power plant To supply peak load requirements To supply base load requirements In emergency ANSWER DOWNLOAD EXAMIANS APP