Fluid Mechanics MCQ Questions & Answers

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Each section contains 100 MCQs on Fluid Mechanics .

If two capillary tubes of dia 0.5 mm and 1 mm are dipped in a pot containing mercury, then the rise of mercury is

A) Same in both the tubes B) Greater in 1 mm dia tube C) Greater in 0.5 mm dia tube D) Zero in both the tubes

Discuss

Answer & Solution

Answer: Option C

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

Boundary layer separation occurs when the

A) Pressure reaches a minimum B) Cross-section of the channel is reduced C) Valve is closed in a pipeline D) Velocity of sound is reached

Discuss

Answer & Solution

Answer: Option B

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

A stream line is

A) Fixed in space in steady flow B) Always the path of particle C) Drawn normal to the velocity vector at every point D) A line connecting the mid points of flow cross-section

Discuss

Answer & Solution

Answer: Option A

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

The unit of dynamic viscosity in SI unit is

A) kg/m . sec B) N/m² C) m² /sec D) m/N. sec

Discuss

Answer & Solution

Answer: Option A

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

The value of critical Reynolds number for pipe flow is

A) 1,300 B) 10,000 C) 1,00,000 D) None of these

Discuss

Answer & Solution

Answer: Option A

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

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Fluid Mechanics MCQ Questions & Answers | Chemical Engineering