Related Questions

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
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
Power loss in an orificemeter is __________ that in a venturimeter.
A Less than
B Same as
C More than
D Data insufficient, cannot be predicted
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
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
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
Water flows into an empty 64-gallon drum through pipe A and flows out through pipe B. If the rate of flow through A is 2 gallons/hour, how many gallons per hour must flow out through pipe B so that the drum is full in exactly 96 hours?
A 3/8
B 1/2
C 2/3
D 4/3
The energy loss in flow through ven-turimeter is less than that through flow nozzle, because in case of a flow nozzle, the
A Length is shorter
B Throat diameter is more
C Sudden expansion of flow in the downstream occurs
D Distance between the throat and the inlet is more

Next steps