Fluid Mechanics for Chemical Questions And Answers.

1.Stoke�s equation is valid in the Reynolds number range__?
A. 0.01 to 0.1
B. 0.1 to 2
C. 2 to 10
D. 10 to 100

2.Purpose of relief valve in a reciprocating pump is to_________?
A. Control the rate of discharge
B. Reduce the discharge pressure
C. Facilitate unidirectional flow of liquid
D. Protect the pump against developing excessive pressure

3.What is the maximum theoretical suction lift (metres) of a reciprocating pump ?
A. 5
B. 10
C. 50
D. 100

4.Which of the following facilitates close control of flow of fluids ?
A. Gate valve
B. Globe valve
C. Butterfly valve
D. Check valve

5.Lower BWG means _____________ of the tube?
A. Lower thickness
B. Lower cross-section
C. Outer diameter
D. Inner diameter