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GATE Exam Questions

Q1:

A body moving through still water at 6 m/sec produces a water velocity of 4 m/sec at a point 1 m ahead. The difference in pressure between the nose and the point 1 m ahead would be

A 2, 000 N/m2

B 10, 000 N/m2

C 19, 620 N/m2

D 98, 100 N/m2

ANS:B - 10, 000 N/m2

The right answer is (A)
At point 1, velocity of water =0
At point 2, relative velocity of water = 2 m/sec.

Apply Bernoulli theory, answer will be 2000N/m2.



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