Fluid Mechanics MCQ Questions & Answers

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Each section contains 100 MCQs on Fluid Mechanics .

The discharge through a venturimeter depends upon

A) Pressure drop only B) Its orientation C) Co-efficient of contraction only D) None of these

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Surge tanks are provided in high pressure water pipelines to

A) Store a definte quantity ofwater all the time B) Reduce the water hammer C) Facilitate easy dismantling of pipeline for cleaning and maintenance D) None of these

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Glass pipes can be joined by

A) Flanges B) Welding C) Soldering D) Bell and spigot joint

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The maximum head that can be developed by a single impeller is __________ ft.

A) 25 B) 100 C) 250-300 D) 1000

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Diaphragm pumps are used to transport

A) Solids B) Liquids C) Fluids D) Slurries

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Pick out the correct statement pertaining to the flow through a converging-diverging tube.

A) The value of Mach number is always unity at the throat B) No shock wave develops in the tube when the Mach number at exit is greater than unity C) Throughout the converging portion of the tube, the density increases in the downstream direction D) None of these

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The discharge through a rectangular weir varies as

A) $${{\text{H}}^{\frac{1}{2}}}$$ B) $${{\text{H}}^{\frac{5}{2}}}$$ C) $${{\text{H}}^{\frac{2}{5}}}$$ D) $${{\text{H}}^{\frac{3}{2}}}$$

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The boundary layer thickness at a given section along a flat plate __________ with increasing Reynold's number.

A) Increases B) Decreases C) Remains same D) May increase or decrease

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The line of action of the buoyant force passes through the centre of gravity of the

A) Submerged body B) Displaced volume of the fluid C) Volume of fluid vertically above the body D) Horizontal projection of the body

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The ratio of the depth of flow to the diameter of the channel for maximum discharge in a circular channel in open channel flow is

A) 0.1 B) 0.55 C) 0.95 D) 1.85

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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Fluid Mechanics MCQ Questions & Answers | Chemical Engineering