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.Management Sciences
Category: Fluid Mechanics
Stream lines and path lines always coincide in case of__________________?
A. steady flow
B. laminar flow
C. uniform flow
D. turbulent flow
Hot wire anemometer is used to measure_______________?
A. discharge
B. velocity of gas
C. pressure intensity of gas
D. pressure intensity of liquid
Due to each end contraction, the discharge of rectangular sharp crested weir is reduced by________________?
A. 5%
B. 10%
C. 15%
D. 20%
Centre of buoyancy always_________________?
A. coincides with the centre of gravity
B. coincides with the centroid of the volume of fluid displaced
C. remains above the centre of gravity
D. remains below the centre of gravity
Which of the following is an incorrect statement ?
A. Coefficient of contraction of a venturimeter is unity
B. Flow nozzle is cheaper than venturimeter but has higher energy loss
C. Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined
D. None of the above statement is correct.
Ay between two stream lines represents________________?
A. velocity
B. discharge
C. head
D. pressure
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