Related Questions

Venturimeter and orificemeter measures the __________ of the fluid.
A Pressure
B Maximum velocity
C Average velocity
D Point velocity
With increase in the ratio of orifice diameter to pipe diameter in case of an orificemeter, the overall pressure loss
A Decreases
B Increases
C Remains constant
D Increases linearly
Permanent loss in a venturimeter is about __________ percent of the pressure drop in theupstream cone.
A 1
B 10
C 40
D 70
Permanent pressure loss in a well designed venturimeter is about __________ percent of the venturi differential.
A 1
B 10
C 30
D 50
Vena-contracta pressure tapping is at a distance __________ from the position of an orificemeter fitted in a pipe of internal diameter 'd'
A d
B 0.5d
C 2d
D 4d
The co-efficient of discharge of an orificemeter is a function of
A Reynolds number at the orifice
B Ratio of orifice dia to pipe dia
C Both A and B
D None of the above parameters, and has a constant value of 0.61
The most serious disadvantage of an orificemeter is that
A It is not very accurate
B It is very costly
C Most of the pressure drop is not recoverable
D It is not suitable for measuring gas flow
Vena-contracta formed during flow of a liquid through an orificemeter has
A Minimum liquid cross-section
B More diameter compared to orifice diameter
C Minimum velocity of fluid stream
D None of these
The discharge co-efficient for an orificemeter does not depend upon the
A Pipe length
B Ratio of pipe diameter to orifice diameter
C Type of orifice & the Reynolds number
D Pipe diameter
Location of vena-contracta in an orificemeter does not depend upon the
A Type of orifice
B Density, viscosity & compressibility of the fluid
C Ratio of pipe diameter to orifice diameter
D Pipe roughness

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