Hydraulics And Fluid Mechanics In Me - Study Mode
[#516] The discharge of a depressed nappe is 6 to 7 percent __________ that of a free nappe.
Correct Answer
(B) More than
[#517] Which of the following instrument can be used for measuring speed of an aeroplane?
Correct Answer
(C) Pitot tube
[#518] In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice.
Correct Answer
(B) One-fourth
[#519] The total pressure on the top of a closed cylindrical vessel of radius (r) completely filled up with liquid of specific weight (w) and rotating at ($$omega $$) rad/s about its vertical axis, is
Correct Answer
(A) $$frac{{pi { ext{w}}{omega ^2}{{ ext{r}}^2}}}{{4{ ext{g}}}}$$
[#520] Which of the following instrument can be used for measuring speed of a submarine moving in deep sea?
Correct Answer
(D) Pitot tube