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Mechanical Engineering - Hydraulics and Fluid Mechanics

Exercise : Hydraulics and Fluid Mechanics - Section 3
16.
The velocity corresponding to Reynold number of 2000 is called
sub-sonic velocity
super-sonic velocity
lower critical velocity
higher critical velocity
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
The specific weight of water in S.I. units is taken as
9.81 kN/m3
9.81 x 103 kN/m3
9.81 x 10-6 N/mm3
any one of these
Answer: Option
Explanation:
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18.
The loss of head at exit of a pipe is
Answer: Option
Explanation:
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19.
The flow in a pipe is laminar, when Reynold number is less than 2000.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
The power transmitted through the pipe is maximum when the head lost due to friction is equal to
one-fourth of the total supply head
one-third of the total supply head
one-half of the total supply head
two-third of the total supply head
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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