List of top Questions asked in AP PGECET

Which of the following has the highest thermal diffusivity:

Total recoverable strain energy stored within the elastic limit in the stress-strain curve is called-

Consider an adiabatic process in which a gas is compressed. Which of the following statements is strictly CORRECT regarding the energy transfer?

The forces of $60\text{ N}$ and $80\text{ N}$ are in equilibrium at a point, acting at an angle of $90^\circ$ to each other. Find the magnitude of the third force?

An activity represents:

Two metals, A and B, have Stacking Fault Energies of $20\text{ mJ/m}^2$ and $160\text{ mJ/m}^2$ respectively. Which of the following is true regarding their deformation behaviour?

The hot working temperature of lead

A surface with emissivity 0.8 and area $1\text{ m}^2$ is maintained at $500\text{ K}$ and is surrounded by air at $300\text{ K}$. Given Stefan–Boltzmann constant $\sigma = 5.67 \times 10^{-8}\text{ W/m}^2\text{K}^4$. What is the rate of radiative heat transfer?

Which of the following crystal structure is ductile?

Which of the following is a natural polymer?

Removing a hole from a plate shifts centroid:

Ideal c/a ratio of HCP is

A particle starts from rest and moves with a constant acceleration of $2\text{ m/s}^2$. What is the distance traveled by the particle in the $5^{\text{th}}$ second of its motion?

A shaft is subjected to pure torsion. The state of stress at any point on the surface of the shaft, relative to the axis of the shaft, consists of

Cross slip is observing

One of the following is not a strengthening mechanism:

Water flows from pipe diameter $200\text{ mm}$ to $100\text{ mm}$. If velocity in larger pipe is $2\text{ m/s}$, find velocity in smaller pipe.

A rigid body rotates about a fixed axis under a constant moment (M). If the Mass Moment of Inertia (I) of the body is doubled while the moment remains the same, the angular acceleration ($\alpha$) will

Given the variables: velocity (V), density ($\rho$), viscosity ($\mu$), and characteristic length (L), how many dimensionless groups can be formed?

Zirconia ceramics exhibit:

A particle under force $F = -kx$. Then Motion is

A composite material is composed of:

Hall-Petch equation predicts the relation between grain size and

Three forces 3 N, 4 N, and 5 N act at a point. For equilibrium, angle between 3 N and 4 N is

The packing sequence of atoms in FCC is