Compressors, Gas Turbines and Jet Engines After-cooler is used to Reduce volume Decrease the delivery temperature for ease in handling Cool the air Cause moisture and oil vapour to drop out Reduce volume Decrease the delivery temperature for ease in handling Cool the air Cause moisture and oil vapour to drop out ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compression ratio for the compressor is always _________ unity. Equal to Less than More than None of these Equal to Less than More than None of these 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 adiabatic temperature drop Total temperature drop Total temperature drop in the stage Adiabatic temperature drop in the stage Total adiabatic temperature drop Total temperature drop Total temperature drop in the stage ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The indicated work per unit mass of air delivered is Not affected by clearance volume Greatly affected by clearance volume Directly proportional to clearance volume Inversely proportional to clearance volume Not affected by clearance volume Greatly affected by clearance volume Directly proportional to clearance volume Inversely proportional to clearance volume 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 None of these D₁/D₂ = p₁/p₂ D₁/D₂ = p₁ p₂ D₁/D₂ = p₂/p₁ None of these D₁/D₂ = p₁/p₂ D₁/D₂ = p₁ p₂ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Rotary compressors are used for delivering Large quantities of air at high pressures Small quantities of air at high pressures Small quantities of air at low pressures Large quantities of air at low pressures Large quantities of air at high pressures Small quantities of air at high pressures Small quantities of air at low pressures Large quantities of air at low pressures ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS