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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 1
41.
Pick out the wrong statement.
Momentum transfer in laminar flow results from veclocity gradient.
A fluid in equilibrium is not free from shear stress.
The viscosity of a non-Newtonion fluid is a function of temperature only.
both (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Pressure drag does not depend upon the
roughness of surface of the body.
pressure of main flow only.
length of the body in flow direction.
all (a), (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Dimension of absolute viscosity is
ML-1T-1
MLT-1
ML-1T
MLT
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
__________ pumps are axial flow pumps.
Turbine
Propeller
Diffuser
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Brownian movement is prominent in the particle size range of __________ microns in case of settling of a particle in a fluid.
2 to 3
0.01 to 0.10
200 to 300
100 to 1000
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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