Fluid Mechanics, Open Channel Flow, Pipe Flow-Pipe Networks [IES-ESE (Engineering Services) Civil Engineering]: Questions 1 - 2 of 14

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Question 1

Appeared in Year: 2018

Question MCQ▾

Floating logs of wood tend to move to the mid-river reach on the water surface. This is due to

Choices

Choice (4)Response

a.

2-cell transverse circulation in the flow

b.

Near-symmetry of the isovels across the section is conductive to principle of least work

c.

Faster velocity along the mid-river reach

d.

Least obstruction from the banks

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Question 2

Appeared in Year: 2017

Question Assertion-Reason▾

Assertion(Ꭺ)

When flow through a pipeline is measured through fixing a venturimeter, the Computed flow will not be sensitive to the alignment of the centre line of the set-up-horizontal or sloping, up or down, along the flow direction.

Reason(Ꭱ)

The difference in the readings on the manometer limbs is by itself always adjusted for the ratio of the densities of the two liquids- the manometer liquid and the liquid whose flow rate is being measured-in the development of the formula for computing the discharge.

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Ꭺ is true but Ꭱ is false

d.

Ꭺ is false but Ꭱ is true

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