Chemical Engineering Mcqs

_____________ pump is the most suitable device for discharging a liquid against a pressure of ≥ 1500 kgf/cm2?

• (A)  Centrifugal
• (B)  Piston
• (C)  Plunger
• (D)  Vane

Answer

Submitted By :Ali Uppal

Pascal law is not applicable for a/an ________________________ fluid?

• (A)  Accelerating frictionless
• (B)  Static
• (C)  Uniformly moving
• (D)  None of these

Answer

Submitted By :Ali Uppal

The ______________ pressure is measured by a static tube?

• (A)  Dynamic
• (B)  Static
• (C)  Total
• (D)  None of these

Answer

Submitted By :Ali Uppal

Which of the following is most prone to pulsating discharge flow ?

• (A)  Centrifugal pump
• (B)  Reciprocating pump
• (C)  Gear pump
• (D)  Axial flow pump

Answer

Submitted By :Ali Uppal

I.D. of 1/4″ schedule 40 pipe is 0.364″. I.D. of a 1/2″ schedule 40 pipe would be ______________ inch?

• (A)  4.728
• (B)  0.5
• (C)  0.622
• (D)  0.474

Answer

Submitted By :Ali Uppal

Slurries can be most conveniently pumped by a _______________ pump?

• (A)  Screw
• (B)  Reciprocating
• (C)  Gear
• (D)  Centrifugal

Answer

Submitted By :Ali Uppal

A tube is specified by its____________________?

• (A)  Thickness only
• (B)  Outer diameter only
• (C)  Thickness & outer diameter both
• (D)  Inner diameter

Answer

Submitted By :Ali Uppal

In parallel pipe problems, the__________________?

• (A)  Head loss is the same through each pipe
• (B)  Discharge is the same through all the pipes
• (C)  Total head loss is equal to the sum of the head losses through each pipe
• (D)  None of these

Answer

Submitted By :Ali Uppal

In Newton’s law range, the drag co-efficient for the motion of spherical particle in a stationary fluid is___________________?

• (A)  0.44
• (B)  0.044
• (C)  4.4
• (D)  44

Answer

Submitted By :Ali Uppal

For turbulent flow of Newtonian fluid in a circular cross-section pipe, the ratio of maximum to average fluid velocity is ________________?

• (A)  0.5
• (B)  1
• (C)  0.66
• (D)  < 0.5

Answer

Submitted By :Ali Uppal