List of top Questions asked in AP ECET Chemical Engg

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

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

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

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

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

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?

A Carnot cycle consists of the following steps

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

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

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

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

A plug flow reactor is characterised by

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

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

Which of the following is a coarse crusher?

In a gyratory crusher size reduction is affected primarily by

Energy requirement is highest for

Raw materials are charged in the iron blast furnace using

The absorptivity for a black body is

Increasing the liquor level in the evaporator results in the

A fluid energy mill is used for

Which of the following is the most suitable filter for separation of abrasive solids suspended in a corrosive liquid?

Prandtl number is the ratio of

The critical radius \(r\) of insulation on a pipe is given by