Process Equipment and Plant Design Objective Questions & Answers Pdf - 1

Question: 1

Liquid gradient over the tray results due to the

(A) large reflux ratio

(B) large plate spacing

(C) low gas velocity

(D) resistance offered to flow of liquids by caps and risers and the flow of gas

Question: 2

Safety valves are provided in chemical equipments to guard against excessive

(A) noise

(B) turbulence

(C) pressure/pressure fluctuation

(D) temperature

Question: 3

_____ heat exchanger is also known as ‘hair pin type’ exchanger.

(A) Regenerative

(B) Plate type

(C) Finned

(D) Double pipe

Question: 4

The ratio shear stress to shear strain is called

(A) modules of elasticity

(B) modulus of rigidity

(C) bulk modulus

(D) shear modulus

Question: 5

In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the

(A) small downcomer liquid steel

(B) lower static submergence

(C) lower skirt clearance

(D) liquid gradient on the tray