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.Management Sciences
Category: Fluid Mechanics for Chemical
The pressure at a point in a fluid is not the same in all directions, when the fluid is viscous and___________________?
0
A. Moving
B. Static
C. Cold
D. Hot
The peripheral velocity at inlet of a centrifugal pump having inlet diameter of 25 cms and rotating at 950 rpm is __________ m/sec?
A. 1.8
B. 12.4
C. 186.2
D. 736.4
The ratio of pressure forces to inertial forces is called the _______________ number?
A. Froude
B. Euler
C. Reynold
D. Mach
The frictional resistance in laminar flow does not depend on the_________________?
A. Area of surface in contact
B. Flow velocity
C. Fluid temperature
D. Pressure of flow
Volume of liquid displaced by a floating body is equivalent to its_________________?
A. Own weight
B. Submerged weight
C. Own volume
D. Submerged volume
Forces acting on a particle settling in fluid are _____________ forces?
A. Gravitational & buoyant
B. Centrifugal & drag
C. Gravitational or centrifugal buoyant drag
D. External, drag & viscous
Function of air vessel provided in a reciprocating pump is to_________________?
A. Reduce discharge fluctuation
B. Reduce the danger of cavitation
C. Avoid the necessity of priming
D. Increase the pump efficiency
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