Compressors, Gas Turbines and Jet Engines Gas turbines use following type of air compressor Lobe type Centrifugal type Axial flow type Reciprocating type Lobe type Centrifugal type Axial flow type Reciprocating type ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Axial flow compressor resembles Turbine Centrifugal pump Reciprocating pump Sliding vane compressor Turbine Centrifugal pump Reciprocating pump Sliding vane compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In the axial flow gas turbine, the work ratio is the ratio of Compressor work and turbine work Actual compressor work and theoretical compressor work Output and input Actual total head temperature drop to the isentropic total head drop from total head inlet to static head outlet Compressor work and turbine work Actual compressor work and theoretical compressor work Output and input Actual total head temperature drop to the isentropic total head drop from total head inlet to static head outlet ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines To avoid moisture troubles, the compressed air main line should Be laid exactly horizontally Drop gradually towards the point of use Rise gradually towards the point of use Be laid vertically Be laid exactly horizontally Drop gradually towards the point of use Rise gradually towards the point of use Be laid vertically ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If p₁ is the pressure of air entering the L.P, cylinder and p₃ is the pressure of air leaving the H.P. cylinder, then the ratio of cylinder diameters for a single acting, two stage reciprocating compressor with complete intercooling is given by D₁/D₂ = (p₁ p₃)1/2 D₁/D₂ = (p₁ p₃)1/4 D₁/D₂ = (p₃/p₁)1/4 D₁/D₂ = (p₁/p₃)1/4 D₁/D₂ = (p₁ p₃)1/2 D₁/D₂ = (p₁ p₃)1/4 D₁/D₂ = (p₃/p₁)1/4 D₁/D₂ = (p₁/p₃)1/4 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum temperature in a gas turbine is of the order of 2000°C 1000°C 1500°C 700°C 2000°C 1000°C 1500°C 700°C ANSWER DOWNLOAD EXAMIANS APP