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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 12
16.
The continuity equation
relates mass flow rate along a stream tube.
relates work and energy.
stipulates that Newton's second law of motion must be satisfied at every point in the fluid.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
The energy loss over a length of pipeline according to Darcy-Weisbach equation for pipe flow is.....the mean velocity of flow.
directly proportional to
directly proportional to square of
inversely proportional to
inversely proportional to square of
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Pressure drop in a packed bed for laminar flow is given by the __________ equation.
Kozney-Karman
Blake-Plummer
Leva's
Fanning friction factor
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
The fluid velocity varies as the cube of the cylinderical pipe diameter in case of steady state laminar flow at constant pressure drop for __________ fluid.
Newtonion
pseudoplastic
dilatent
Bingham plastic
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Stoke's law is valid, when NRe, p is less than
2
100
2100
700
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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