Related Questions

The pressure head on sudden contraction in a horizontal pipe is converted into the __________ head.
A Elevation
B Velocity
C Both A and B
D Neither A nor B
Major loss in sudden contraction in pipe flow is due to
A Boundary friction
B Flow contraction
C Expansion of flow after sudden contraction
D None of these
Velocity head on sudden enlargement in a horizontal pipe is converted into __________ head.
A Elevation
B Pressure
C Both A and B
D Neither A nor B
If Hg is the gross or total head and hf is the head lost due to friction, then net or effective head (H) is given by
A $${\text{H}} = \frac{{{\text{Hg}}}}{{{\text{hf}}}}$$
B H = Hg × hf
C H = Hg + hf
D H = Hg - hf
The horse power transmitted through a pipe is maximum when the ratio of loss of head due to friction and total head supplied is
A $$\frac{1}{3}$$
B $$\frac{1}{4}$$
C $$\frac{1}{2}$$
D $$\frac{2}{3}$$
The loss of pressure head in case of laminar flow is proportional to
A Velocity
B (Velocity)2
C (Velocity)3
D (Velocity)4
Expert says 25% of of serious bicycle accidents involved head injury and that of all head injuries 80% are fatal. What percentage of serious bicycle accidents involve fatal head injuries?
A 16%
B 20%
C 55%
D 105%
Experts say that 25% of all serious bicycle accidents involve head injuries and of all such head injuries, 80% are fatal. What percentage of all serious bicycle accidents involve fatal head injuries?
A 6%
B 20%
C 55%
D 105%
When they had a meeting seven company executives __ T, U, V, W, X, Y and Z ___ sit at a rectangular table .Three executives sit along one side of the table , and three sit along the other side, each directly opposite one of the other three. The seventh sits at the head of the table . There is no seat at the foot of the table . Ualways sits in one of te two seats farthest from the head of the table. Y and V always sit next to each other .V never sits next to Z . If Z does not sit at the head of the table, W sits there. If W sits directly opposite T, X must sit next to which of the following excutives?
A T
B U
C V
D Z
The static head of a centrifugal pump is equal to the _________ of suction head and delivery head.
A Product
B Difference
C Sum
D None of these

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