List of top Questions asked in AP PGECET- 2026

Chloro-mines are used in water treatment for

The Haber-Bosch process for ammonia synthesis operates at:

In the Chlor-alkali process, the main products are:

Gypsum is added to clinker during cement manufacture to ________

For an isothermal second order aqueous phase reaction A \(\to\) B, the ratio of the time required for 90% conversion to the time required for 45% conversion is _______

In the CONTACT PROCESS for manufacturing sulphuric acid, the reaction converting \(\text{SO}_2\) to \(\text{SO}_3\) is _______

From Arrhenius law, \(\textbf{k} = \textbf{k}_0\textbf{e}^{-\textbf{E/RT}}\), a plot of \(\ln(\textbf{k})\) versus 1/T gives straight line with a slope of _______

Order of the system of transfer function \((2s + 1) / (5s^2 + 2s + 1)\) is _______

In liquid-liquid extraction, what is the primary purpose of using a solvent?

Cetane number is important test for:

Which of the following is correct statement of payout time?

In cost estimation, the six-tenths rule relates cost to equipment capacity by:

A plant purchased equipment costing $\$500{,}000$ in 2010 (CEPCI = 550). If the CEPCI in 2024 is 800, the estimated current cost of the same equipment is:

For a packed bed reactor, the presence of a long tail in the residence time distribution curve is an indication of _______

In distillation column design, the minimum reflux ratio corresponds to:

Which of the following is not employed in the commercial production of linear poly vinyl chloride?

In the straight-line depreciation method, depreciation is

An investment of Rs.1000 is carrying an interest of 10% compounded quarterly. The value of the investment at the end of five years will be

If the area under the curve of \(1/-r_A\) versus \(X_A\) for PFR used to carry out a reaction is \(5\text{ m}^3\text{s/mol}\), then the ratio of change in volume to molar feed rate is _______

For the liquid phase reaction A \(\to\) P, in a series of experiments in a batch reactor, the half-life \(t_{1/2}\) was found to be inversely proportional to the square root of the initial concentration of A. The order of the reaction is

For a chemical reaction, the ratio of rate constant at 500K to that at 400K is 2.5. Given R = 8.314 J mol\(^{-1}\)K\(^{-1}\), the value of activation energy (in kJ/mol) is _______

Choose the option that correctly pairs the given measurement devices with the quantities they measure.

Lewis number of air water mixture is defined as:

Bode diagram consists of two graphs:

A system with gain margin close to unity or a phase margin close to zero is _______