If vâ‚ and vâ‚‚ are the velocities of flow before and after sudden enlargement in a pipe, the head loss given by Carnot and Borda equation, is______.

Civil Engineering : Hydraulics - Quiz(MCQ)

(vâ‚‚ - vâ‚)Â²/2g

(vâ‚ + vâ‚‚)Â²/2g

(vâ‚‚Â² - vâ‚Â²)/2g

(vâ‚ - vâ‚‚)Â²/2g

Correct Answer : (vâ‚ - vâ‚‚)Â²/2g

Recently Updated in Hydraulics Questions

An orifice is taken as large if

(Hâ‚‚ - Hâ‚) > H

(Hâ‚‚ - Hâ‚) > H/2

(Hâ‚‚ - Hâ‚) > H/4

(Hâ‚‚ - Hâ‚) > H/3

Correct Answer : Option (D) : (Hâ‚‚ - Hâ‚) > 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

459 kg

549 kg

945 kg

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

1.5%

2.0%

2.5%

4.5%

Correct Answer : Option (C) : 2.5%

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