List of top Questions asked in Andhra Pradesh Post Graduate Engineering Common Entrance Test

Comminution refers to:
Which of the following is a pyro-metallurgical process?
The process of agglomeration is primarily used to:
For the reaction A + B → Products, the rate law is \( r = k[\text{A}]^{1/2}[\text{B}]^2 \). What is the order of the reaction?
Equilibrium constant of any reaction is ............ at constant temperature.
Which of the following is true for a reaction to be zero-order?
According to Fick's law of diffusion, the diffusion flux is proportional to:
In a fluid flowing over a flat plate, the Reynolds number (Re) determines:
The diffusion mechanism that involves atoms moving through vacancies in a solid is called:
In radiation heat transfer, the Stefan–Boltzmann constant (\(\sigma\)) is used in the equation for:
All adiabatic processes are known as ............
Henry’s law is applicable to ............ solutions.
For ideal solutions, activity of a component is ............ mole fraction.
Chemical potential of a system is regarded as ............
The order of a reaction can be determined from:
For an ideal solution, volume of mixing is ...........
Which of the following conditions is necessary for a metallurgical reaction to be spontaneous at a given temperature?
In a diffusion process, if the concentration of a species is higher at the surface of a material, the diffusion flux will:
The first law of thermodynamics is related to:
Which of the following diagrams is used to predict oxide stability?
Activity of a pure element in its standard state is:
The rate-limiting step is the:
In a second-order reaction, the rate of the reaction is proportional to:
Which of the following statements is true regarding phase equilibrium in a binary alloy system?
The Gibbs free energy of a reaction is minimized when the system is at equilibrium. Which of the following conditions must hold at equilibrium?