List of top Chemical, Thermal and Polymer Engineering Questions on Fluid Mechanics

In a flow-nozzle type flow meter, the contraction is noticed to be:
A. gradual
B. abrupt
C. no change
D. discrete

In a mixing tank operating at a very high Reynolds number 104, if the diameter of the im peller is doubled, keeping other conditions constant, the power required increases by a factor of:

Arrange the following flow measuring devices in the increasing order of head loss caused by them:
(A). Flow nozzle
(B). Venturimeter
(C). Orifice meter

Crude oil of kinematic viscosity 2.25 Stokes flows through a 20 cm diameter pipe. If the rate of flow is 1.5 liters/sec, what will be the type of flow?

A pressure of $500 \, \text{kPa}$ applied to $2 \, \text{m}^3$ of liquid results in a volume change of $0.004 \, \text{m}^3$. The bulk modulus in MPa is:

Bernoulli’s equation cannot be applied when the flow is:

Rain drops fall from a great height under gravity. Select the correct statement:

The liquid phases considered under Navier-Stokes equations are

In order that the water shall never rise more than 100 cm above the crest for a discharge of 5 cubic meters per second, the length of the wire will be: