List of top Aerospace Engineering Questions asked in TS PGECET

The primary function of the inducer in a centrifugal compressor is to

The work done per unit mass in a centrifugal compressor mainly depends on

Slip factor in a centrifugal compressor accounts for

In an impulse turbine stage (degree of reaction \(=0\))

The degree of reaction in an axial compressor stage is

An axial turbine stage has a degree of reaction of \(50\%\) and operates with symmetrical velocity triangles (i.e., absolute inlet and exit flow angles are equal in magnitude but opposite in direction). The axial velocity remains constant through the stage. Which of the following statements is correct?

Stage efficiency of a single-stage axial compressor is defined as

A convergent-divergent nozzle is used in jet engines to

The work done by the rotor in an axial compressor primarily results in

In an axial compressor, the change in angular momentum of air through the rotor is directly related to

The main thermodynamic cycle used in a turbojet engine is

Which of the following sequences correctly represents the flow of air in a basic turbojet engine?

The degree of reaction of an axial compressor stage is defined as the ratio of

In a ramjet engine, the air compression takes place by

A turbofan engine has a high bypass ratio, meaning most of the air flows through the bypass duct instead of the core. The engine manufacturer claims this design "improves fuel efficiency and reduces noise". Which of the following statements reflects the best critical evaluation of this claim?

Which of the following statement about Airy's stress function \(\phi(x,y)\) is correct?

In the context of mechanical vibrations, static coupling refers to

In a jet engine's combustion chamber, detonation refers to

A man is sitting inside a house during the winter season. The main mode of heat transfer from the man's body to the surroundings is

Let \(A\) be a square matrix. Which of the following statement about eigenvectors is correct?

In an under damped single degree of freedom system, the ratio of the first peak amplitude to the seventh peak amplitude is \[ \frac{x_1}{x_7}=64. \] Then, the ratio of two successive peak amplitudes is

Which specific flight load acts like a 'hammer blow' to the wing structure, momentarily increasing the angle of attack and lift?

Which material property is most important for the web of a Wagner Beam?

In a Semi-Monocoque wing undergoing upward bending, which of the following is true regarding the wing skins?

The natural frequency of a simple spring-mass system with static deflection \(9.81\ \text{cm}\) is