Compressors, Gas Turbines and Jet Engines The propulsive power of the rocket is (where v₁ = Jet velocity, and v₂ = Aircraft velocity) (v₁ - v₂)²/2g (v₁ - v₂)²/g (v₁² -v₂²)/g (v₁² -v₂²)/2g (v₁ - v₂)²/2g (v₁ - v₂)²/g (v₁² -v₂²)/g (v₁² -v₂²)/2g ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working substance is expanded in Exit nozzle, which is a constant volume process Turbine blades, which is essentially an isentropic process Exit nozzle, which is essentially an isentropic process Turbine blades, which is a constant volume process Exit nozzle, which is a constant volume process Turbine blades, which is essentially an isentropic process Exit nozzle, which is essentially an isentropic process Turbine blades, which is a constant volume process ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine blades are given a rake In the direction of motion of blades Depending on the velocity Equal to zero Opposite to the direction of motion of blades In the direction of motion of blades Depending on the velocity Equal to zero Opposite to the direction of motion of blades ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Rotary compressors are suitable for Low discharge at high pressure Large discharge at high pressure Low discharge at low pressure Large discharge at low pressure Low discharge at high pressure Large discharge at high pressure Low discharge at low pressure Large discharge at low pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed gas turbine in which fuel is burnt directly in the air is not possible because of Increasing gas temperature High specific volume Paucity of O2 High friction losses Increasing gas temperature High specific volume Paucity of O2 High friction losses ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines After-cooler is used to 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 Reduce volume Cause moisture and oil vapour to drop out Cool the air ANSWER DOWNLOAD EXAMIANS APP