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# Flow Through Pipes - 2

## 10 Questions MCQ Test Topicwise Question Bank for GATE Civil Engineering | Flow Through Pipes - 2

Description
This mock test of Flow Through Pipes - 2 for Civil Engineering (CE) helps you for every Civil Engineering (CE) entrance exam. This contains 10 Multiple Choice Questions for Civil Engineering (CE) Flow Through Pipes - 2 (mcq) to study with solutions a complete question bank. The solved questions answers in this Flow Through Pipes - 2 quiz give you a good mix of easy questions and tough questions. Civil Engineering (CE) students definitely take this Flow Through Pipes - 2 exercise for a better result in the exam. You can find other Flow Through Pipes - 2 extra questions, long questions & short questions for Civil Engineering (CE) on EduRev as well by searching above.
QUESTION: 1

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QUESTION: 2

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QUESTION: 3

### The loss of head due to friction in a pipe of uniform diameter in which viscous flow is taking place is where Re = flow Reynold’s number

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QUESTION: 4

In the Moody diagram the third parameter is ks/D. Here ks is

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QUESTION: 5

A compound pipe of diameters d1, d2 and d3 having length l1, l2 and l3 respectively, is to be replaced by an equivalent pipe of uniform diameter d and length l. The size of the equivalent pipe is given by

Solution:

For pipes in series equivalent pipe is given by:

For pipes in parallel equivalent pipe is given by

QUESTION: 6

In a pipe flow, the shear velocity u. is related to the Darcy-Weisbach friction factor f as u./V =

Solution:

friction factor,

QUESTION: 7

Two pipe systems are said to be equivalent when

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QUESTION: 8

An oil of kinematic viscosity 0.25 stokes flows, through a pipe of diameter 10 cm. The flow is critical., at a velocity of

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QUESTION: 9

Which one of the following phenomena in a pipe flow is termed as water hammer?

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QUESTION: 10

The pressure at the summit of a syphon is

Solution:

The centre line of pipe is well above the hydraulic grade line and therefore the pressure is negative or below atmospheric.