Chemical Engineering Basics MCQs

The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 > T2) is given by $$\frac{{{{\text{T}}_1} - {{\text{T}}_2}}}{{{{\text{T}}_1}}}.$$ The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T1 and T2 is given by

Lead is poured into the joint between two __________ pipes.

Lead is poured into the joints between two __________ pipes.

Free oxygen is removed from boiler feed water, because it

Inspection of surface and sub-surface cracks in non-magnetic alloys is done by __________ testing method.

For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot ?

In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following :

Milligram of KOH required to saponify 1 gm of oil is called its __________ number.

A controller action in which there is a con-tinous relation between the values of controlled variable and the rate of change of conrolled output signal is called the __________ action.