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How many assumptions are made for the derivation of momentum formula?

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+1 vote
in Irrigation Engineering by (75.2k points)
How many assumptions are made for the derivation of momentum formula?

(a) 6

(b) 3

(c) 4

(d) 5

I got this question in an online interview.

This question is from Hydraulic Jump topic in portion Diversion Head Works, Hydraulic Jump Usefulness in Irrigation Structure of Irrigation Engineering

1 Answer

0 votes
by (106k points)
Right choice is (c) 4

The explanation: For the derivation of momentum formula four assumptions are made. Namely, the jump happens abruptly, friction is negligible, bed is horizontal, and flow is streamlined.

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