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

If the trapezoidal rule with a single interval [0, 1] is exact for the approximate value of \( \int_0^1 (x^3 - cx^2) \, dx \). Then the value of \( c \).
For identical feed comp., flow rate, conversion and for all positive reaction orders the ratio of the volume of mixed reactor to the volume of plug flow reactor
In a semi-batch reactor
The best combination of reactors for an exothermic reaction is:
If the conversion of a first-order liquid phase reaction occurring in a CSTR is 75%, molar feed rate is 5 mol/min, the rate of the reaction is 5 $\frac{mol}{litre \cdot min}$ then the volume of the reactor (in litre) is?
If $ \tau = 5 $ s, first order rate constant, $ k = 0.25 $ sec$^{-1}$ and the number of tanks, $ N $ is 5, then the conversion is
Which of the following is true for gas-phase reactions?
Which of the following represents heterogeneous catalytic reaction?
What is the activity of a catalyst when a time $ t = 0 $?
The mass of material that can be fed per unit time to a unit area of the screen is called as
100-mesh screen means
In which of the following pumps, the displacement of fluid is by rotating action
Kozney Carman equation is used for finding
The flow of incompressible fluids without the presence of shear is referred to as
For an ideal gas mixture, the fugacity of a component is equal to
When the reactants and products are at their standard states, the change in enthalpy accompanying the formation of 1 mole of a substance from the constituent elements is termed as:
Entropy of a system is:
In which of the following process involving an ideal gas, the change in internal energy and the change in enthalpy would be zero?
A recycle ratio is defined as:
The ratio of moles of the reactant converted to the desired product and moles of the reactant converted to undesired product is called as:
The solubility of sodium chloride in water at 290K is 35.8 kg/100 kg water. What is the mass fraction of sodium chloride in the solution?
The number of degrees of freedom for a mixture of liquid water and liquid toluene (immiscible in water) in equilibrium with their vapours is:
Cox charts are plotted
An organic compound is found to contain $ \mathrm{C} = 54.5% $, $ \mathrm{O} = 36.4% $, and $ \mathrm{H} = 9.1% $ by weight. Its empirical formula is:

A steel workpiece is to be milled. Metal removal rate is 30 cm3/min. Depth of cut is 5 mm and width of cut is 100 mm. The rate of feed in mm/min is}