Related Questions

A reservoir has two pipes, A and B. A can fill the reservoir 5 hours faster than B. If both together fill the reservoir in 6 hours, the reservoir will be filled by A alone in-
A 8 hours
B 10 hours
C 11 hours
D 12 hours
With increase in the ratio of orifice diameter to pipe diameter, the fraction of the orifice pressure differential that is permanently lost
A Increases
B Decreases
C Remains unchanged
D Increases exponentially
A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a
A Notch
B Weir
C Mouthpiece
D Nozzle
In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice.
A Equal to
B One-fourth
C One-third
D One-half
Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is
A slightly less
B slightly more
C nearly half
D equal
The ratio of actual discharge to theoretical discharge through an orifice is equal to
A Cc.Cv
B Cc.Cd
C Cv.Cd
D $$\frac{{{{\text{C}}_{\text{d}}}}}{{{{\text{C}}_{\text{v}}}}}$$
Flow rate through an orifice is __________ the pressure differential.
A Proportional to
B Inversely proportional to the square root of
C Proportional to the square root of
D Inversely proportional to the square of
The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow)
A 0.423 D
B 0.577 D
C 0.223 D
D 0.707 D
A Water reservoir is 1/5th full and requires 20 liters more to make it 3/5th full. What is the capacity of the reservoir ?
A 40
B 50
C 60
D None of these
Three-fourth petrol of a reservoir is used to fill the petrol tanks of five trucks having the same storage capacity. What part of the total capacity of the petrol reservoir did each truck receive?
A 3/20
B 4/15
C 2/15
D 1/5

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