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Mechanical Engineering - Hydraulics and Fluid Mechanics

Exercise : Hydraulics and Fluid Mechanics - Section 3
26.
A flow is called sub-sonic, if the Mach number is
less than unity
unity
between 1 and 6
more than 6
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
The discharge of a depressed nappe is 6 to 7 percent __________ that of a free nappe.
less than
more than
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Re-entrant or Borda's mouthpiece is an __________ mouthpiece.
internal
external
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
The flow in a pipe is neither laminar nor turbulent when Reynold number is
less than 2000
between 2000 and 2800
more than 2800
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
The intensity of pressure on an immersed surface __________ with the increase in depth.
does not change
increases
decreases
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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