The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is________.

A)
constant over the cross section
B)
parabolic distribution across the section
C)
zero at plates and increases linearly to midpoint
D)
zero at the mid plane and varies linearly with distance from mid plane

Correct Answer :   zero at the mid plane and varies linearly with distance from mid plane

Recently Updated in Hydraulics Questions
An orifice is taken as large if
A)
(H₂ - H₁) > H
B)
(H₂ - H₁) > H/2
C)
(H₂ - H₁) > H/4
D)
(H₂ - H₁) > H/3

Correct Answer : Option (D) :   (H₂ - H₁) > H/3

A closed cylindrical vessel of 100 cm diameter and 200 cm high is completely filled with a liquid (sp. weight 1600 kg/m3) when rotated about its vertical axis at 100 r.p.m. The total pressure on its lid, is
A)
459 kg
B)
549 kg
C)
945 kg
D)
954 kg

Correct Answer : Option (D) :   954 kg

An error of 1% in measuring the head of water over the crest of a triangular notch, produces an error in the discharge which is equal to
A)
1.5%
B)
2.0%
C)
2.5%
D)
4.5%

Correct Answer : Option (C) :   2.5%

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