List of top Questions asked in AP ECET Chemical Engg- 2025

The following relates the absorption and evolution of heat at the junctions of a thermocouple to the current flow in the circuit

The most efficient cooling tower arrangement is

The reflux to a distillation column is \(100\text{ mole/hr}\). When the overhead product rate is \(50\text{ moles/hr}\), the reflux ratio is

Ammonia present in the coke oven gas is removed by washing with

In a binary distillation column, if the feed contains \(40\) mole \(\%\) vapour, the slope of a \(q\)-line is

In which distillation, a solvent is added to alter the relative volatility of the mixture to be separated?

The packed towers are preferred over plate columns in distillation, because of

A slurry is to be dried to produce flaky solid. Which drier is recommended?

In a binary system, separation is very efficient when the relative volatility is

Bollman extractor is used for

Promoter is added to the catalyst to improve its

Which of the following reactor is the most suitable for very high-pressure gas phase reaction?

The equilibrium constant \(K\) of a chemical reaction depends on

A plot of \(\ln k\) versus \(1/T\) indicates

Fundamental principle of refrigeration is based on the which law of thermodynamics?

The absolute entropy for all crystalline substances at absolute zero temperature is

The change in Gibbs free energy for vaporisation of a pure substance is

A Carnot cycle consists of the following steps

A plug flow reactor is characterised by

For a Carnot refrigerator operating between \(40^\circ C\) and \(25^\circ C\), the coefficient of performance is

Taking the acceleration due to gravity as \(10\text{ m/s}^2\) and with a cyclone \(0.5\text{ m}\) in diameter and having a tangential velocity of \(20\text{ m/s}\) near the wall, then the separation factor is

In the Tayler standard screen scale series, when the mesh number increases from \(3\) mesh to \(10\) mesh, then the

Which of the following is a coarse crusher?

In a gyratory crusher size reduction is affected primarily by

Energy requirement is highest for