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.Management Sciences
Category: Fluid Mechanics for Chemical
Air vessel fitted to a reciprocating pump____________________?
0
A. Increases the work done
B. Decreases the work done
C. Causes cavitation
D. Results in non-uniform discharge
Curve III in the bellow diagram represents a/an________________?
A. Dilatent fluid
B. Pseudo plastic fluid
C. Ideal plastic
D. None of these
Which of the following can be used to create a flow of gas, where no significant compression is required ?
A. Reciprocating compressor
B. Blower
C. Axial flow compressor
D. Centrifugal compressor
The discharge through a semi-circular weir varies as (where, H = Head of liquid.) ?
A. H
B. H2
C. H3/2
D. H1/2
Enamels and paints are generally _______________ fluid?
A. Rheopectic
B. Pseudo-plastic
C. Thixotropic
D. Dilatant
Rotary vacuum pumps can reduce the absolute pressure to as low as __________ mm Hg ?
A. 1
B. 0.1
C. 0.01
D. 0.001
Pick out the wrong statement ?
A. Momentum transfer in laminar flow results from velocity gradient
B. A fluid in equilibrium is not free from shear stress
C. The viscosity of a non-Newtonian fluid is a function of temperature only
D. Both B. and C.
The discharge through a Venturimeter depends upon _________________?
A. Pressure drop only
B. Its orientation
C. Co-efficient of contraction only
D. None of these
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