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

Consider the ordinary differential equation \[ x^2 \frac{d^2y}{dx^2} - 2x \frac{dy}{dx} + 2y = 0 \] with \( y(x) \) as a general solution. Given the values of \( y(1) = 1 \), \( y(2) = 5 \), the value of \( y(3) \) is equal to ______
Which of the following is fully synthetic first produced fibre?
The term "circular economy" in chemical technology refers to:
............... is not an intermediate distillate product in petroleum refining.
The Ostwald process is used to produce:
............... is the waste liquor from the Kraft pulping process after pulping is completed.
............... includes the largest fraction of petroleum crude.
Polythene is the polymer obtained during polymerization of
In the Haber process of ammonia preparation, the catalyst and the promoter are
The Kraft process of chemical pulping involves a mixture of two chemicals in water which are?
LPG contains mostly:
For which refractory material the thermal conductivity decreases with increasing temperature?
Which of the following equipment has the maximum capital cost contribution in a chemical plant?
Hydrogenation is the conversion of unsaturated acid groups into the saturated using ............... catalyst.
Which of the following is a limitation of the payback period method?
Profitability calculation method that includes time value of money is:
For a business if the net profit is 10 Lakhs and total capital investment is 5 crore rupees, then the return on investment in percentage will be:
A compressor design primarily depends on:
Equipment costs generally follow the relation:
For a commercial fertilizer designated as 5-20-20 the numbers indicate what information about the composition?
Smallest change which a sensor can detect is ...............
Which document provides detailed specifications for equipment and materials?
Which of the following is the first step in plant design?
Which cost estimation method uses historical data from similar plants?
Fixed costs in plant operations include: