Chemical Engineering - Fluid Mechanics

11.
A rotameter works on the principle of __________ pressure drop.
constant
variable
both (a) & (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
The effect of solid boundary on the fluid flow is confined to the boundary layer, except for fluids
having high viscosities.
moving at low velocities.
both (a) & (b).
neither (a) nor (b).
Answer: Option
Explanation:
No answer description is available. Let's discuss.

13.
The excess of the sum of pressure & velocity heads over the vapor pressure of the liquid at the suction is called the
static submergence.
net positive suction head (NPSH).
cavitation sensitivity.
priming.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

14.
Piezometric head is the sum of the __________ heads.
elevation & kinetic energy
elevation & pressure
kinetic energy & pressure
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
Propellers are
axial flow mixers.
low speed impeller.
used for mixingliquids of high viscosity.
radial flow mixers.
Answer: Option
Explanation:
No answer description is available. Let's discuss.