List of top Questions asked in TS PGECET- 2026

If ‘S' is the amount available for ‘n' interest periods for an initial principal ‘P' with the discrete compound interest rate ‘i', the present worth is given by

A first order system with a time constant of 1 minute is subjected to frequency response analysis. At an input frequency of 1 radian minute, the phase shift is:

Select the correct statement from the following:

A typical example of a physical system with second order under-damped characteristics is a:

The closed loop poles of a stable second order system could be

Manipulated variable in water heater is:

If response of a control system is to be free of offset and oscillation, then the most suitable controller is:

A reaction in which one of the products of the reaction acts as a catalyst is called:

The rate of reaction of any component is a function of:

For the irreversible unimolecular first-order type reaction:

Which one of the following is a first-order instrument?

Which one of the following is the most suitable to measure a temperature of 2000 \(^\circ\)C?

Ordinary mercury-in-glass thermometer works on the principle of:

In thermistors, the resistance:

For Arrhenius model of the rate constant \( k = k_0 \cdot e^{-E/RT} \), the graph drawn between \( \ln(k) \) versus \( \frac{1}{T} \) gives the slope of:

Molecularity of a reaction:

The gas phase reaction \( \text{A} \rightarrow \text{B} + \text{C} \) is carried out in an ideal PFR achieving 40% conversion of A. The feed has 70 mole % A and 30% inerts. The inlet temperature is 300 K and the outlet temperature is 400 K. The ratio of the outlet to inlet molar concentration of A (assuming ideal gas mixture and uniform pressure) is:

In solid catalysed reactions, the diffusional effects are more likely to affect the overall rate of reaction for:

A pulse tracer is introduced in an ideal CSTR (with a mean residence time T) at time = 0. The time taken for the exit concentration of the tracer to reach half of its initial value will be:

The E-curve for a non-ideal reactor defines the fraction of fluid having age between t and t + dt:

The catalyst in a second order reversible reaction increases the rate of the:

The unit of frequency factor in Arrhenius equation is:

A space time of 3 hours for a flow reactor means that:

For all positive reaction orders and for a given reactor duty:

Which one of the following fixes the volume of batch reactor for a particular conversion and production rate?