List of top Aerospace Engineering Questions asked in TS PGECET

In rocket combustion phenomenon, the source that possibly triggers high-frequency pressure-wave instabilities is called
The propellants, which exhibit negative values of burn rate over a certain range of pressure are known as
Total impulse is defined as
Example for high energy oxidizer is
Which one of the following is not related to solid propellant rocket?
Choose the correct statement for the rocket engine
The ratio of the actual and perfectly guided values of the whirl components at the exit is known as
Which one of the following blades is more suitable for better efficiency and stable for wider range of operation?
If there are no guide vanes, \( C_1 \) will be radial (\( \alpha_1 = 90^\circ \)), then this particular condition is expressed as
If \(\beta>90^\circ\), then the blade shapes are known as
In centrifugal compressor, the outlet casing, which comprises a fluid collector is known as
Multistage reaction turbines are employed to attain
If the turbine nozzle operates at a higher pressure ratio than the design value, then it is called as
A turbine rotor blade is one, which transfers energy
When compared with centrifugal compressor, the isentropic efficiency of axial flow compressor is
In a multistage axial flow compressor, the axial velocity at higher stage
The ratio of axial velocity to peripheral speed of the blades is
In a flow compressor, the absolute velocity in the stator
The reduction in work capacity can be accounted by the use of
The optimum expansion in the nozzle occurs when
The combustion process in the ramjet engine occurs at
The buzzing instability in the supersonic inlets usually occurs at
Which of the following process ideally represents combustion in gas turbine engines?
Air enters an aircraft engine at a velocity of 180 m/s with a flow rate of 94 kg/s. The engine combustor requires 9.2 kg/s of air to burn 1 kg/s of fuel. The velocity of gas exiting from the engine is 640 m/s. The momentum thrust (in N) developed by the engine is
The unit of thermal conductivity is