Lower BWG means _____________ of the tube?
A. Lower thickness
B. Lower cross-section
C. Outer diameter
D. Inner diameter
Fluid Mechanics for Chemical
What is the maximum theoretical suction lift (metres) of a reciprocating pump ?
What is the maximum theoretical suction lift (metres) of a reciprocating pump ?
A. 5
B. 10
C. 50
D. 100
Which of the following facilitates close control of flow of fluids ?
Which of the following facilitates close control of flow of fluids ?
A. Gate valve
B. Globe valve
C. Butterfly valve
D. Check valve
In isotropic turbulence, the _____________ are equal to each other?
In isotropic turbulence, the _____________ are equal to each other?
A. Temporal velocity components
B. Mean square of velocity fluctuations in the three co-ordinate directions
C. Root mean square of velocity fluctuations in the three co-ordinate directions
D. None of these
Purpose of relief valve in a reciprocating pump is to___________________?
Purpose of relief valve in a reciprocating pump is to___________________?
A. Protect the pump against develog excessive pressure
B. Facilitate unidirectional flow of liquid
C. Reduce the discharge pressure
D. Control the rate of discharge
Stoke’s equation is valid in the Reynolds number range__________________?
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