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.Management Sciences
Category: Fluid Mechanics for Chemical
Low specific speed of a pump implies that, it is a/an ______________ pump?
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A. Axial flow
B. Centrifugal
C. Mixed flow
D. None of these
Foot valve provided in the pump is a ______________ valve?
A. Direction control
B. Back pressure
C. Relief
D. Pressure reduction
A double acting reciprocating pump compared to a single acting pump (of almost same size working under same pressure levels) would give almost double___________________?
A. Head
B. Discharge
C. Efficiency
D. None of these
Fanning equation is given by (ΔP/ρ) = 4f (L/D) (v2/2gc). It is applicable to _____________ region flow?
A. Transition
B. Laminar
C. Turbulent
D. Both B. and C.
What is the normal range of exit cone angle of a Venturimeter ?
A. 2 to 5
B. 7 to 15
C. 15 to 25
D. >25
The Stoke’s stream function applies to the________________?
A. Irrotational flow only
B. Ideal/non i viscous fluids only
C. Cases of axial symmetry
D. None of these
Boiler feed water pump is usually a ______________ pump?
A. Reciprocating
B. Gear
C. Multistage centrifugal
D. Diaphragm
Cd for the orifice plate varies from ___________________?
A. 0.58 to 0.8
B. 0.93 to 0.98
C. 0.2 to 0.3
D. 0.02 to 0.03
Which of the following exemplifies a three dimensional fluid flow ?
A. Fluid flow at the inlet to a nozzle
B. Fluid flow between parallel plates
C. Viscous fluid flow between converging plates
D. None of these
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