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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 14
6.
Pick out the wrong statement:
The vacuum pressure is always the negative gauge pressure.
The pressure of the liquid measured by a piezometer tube is the gauge pressure.
Manometric liquid should have high surface tension.
The point at which the resultant pressure on an immersed surface acts, is known as the centre of gravity.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Medium viscosity lubricating oil can be most ideally pumped by a __________ pump.
vane
piston
centrifugal
plunger
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
In a fully turbulent flow (Re > 105) in a pipe of diameter 'd', for a constant pressure gradient, the dependence of volumetric flow rate of an incompressible fluid is
d
d2
d2.5
d4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Pump used for the transportation of molten sodium in a fast breader reactor is a/an __________ pump.
reciprocating
plunger
electromagnetic
gear
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Small pressure differences in liquids is measured using a/an
U-tube manometer.
inclined tube manometer.
pitot tube.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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