Fluid Mechanics MCQ Questions & Answers

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Each section contains 100 MCQs on Fluid Mechanics .

The pump impeller and the turbine runner in a hydraulic torque converter

A) Have the same diameter B) Have different diameters C) Are directly coupled D) None of these

Discuss

Answer & Solution

Answer: Option B

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

Rubber latex is an example of __________ fluid.

A) Dilatent B) Newtonion C) Pseudoplastic D) Bingham plastic

Discuss

Answer & Solution

Answer: Option C

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

Paper pulp is an example of __________ fluid.

A) Dilatant B) Bingham plastic C) Newtonion D) Pseudoplastic

Discuss

Answer & Solution

Answer: Option B

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

Forces acting on a particle settling in fluid are __________ forces.

A) Gravitational & buoyant B) Centrifugal & drag C) Gravitational or centrifugal buoyant drag D) External, drag & viscous

Discuss

Answer & Solution

Answer: Option C

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

Pick out the wrong statement.

A) In a static mass of liquid, the pressure at a point is the same for all liquids B) Pressure decreases exponentially with elevation in an isothermal atmosphere C) Atmospheric pressure = absolute pressure-gage pressure D) As per Pascal's law, the pressure at a point in a static or uniformly moving fluid is equal in all directions

Discuss

Answer & Solution

Answer: Option A

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

Existence of boundary layer in fluid flow is because of the

A) Surface tension B) Fluid density C) Fluid viscosity D) Gravity forces

Discuss

Answer & Solution

Answer: Option C

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

Acceleration head in a reciprocating pump

A) Increases the work done during delivery stroke B) Decreases the work done during suction stroke C) Does not change the work requirement of the pump D) Increases the work done during suction stroke

Discuss

Answer & Solution

Answer: Option C

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

The continuity equation in ideal fluid flow states that

A) Net rate of inflow into any small volume must be zero B) Energy is not constant along a streamline C) Energy is constant along a streamline D) There exists a velocity potential

Discuss

Answer & Solution

Answer: Option A

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

Baffles in mixing tanks are provided to

A) Reduce swirling and vortex formation B) Increase the structural strength of the tank C) Aid in rotational flow D) None of these

Discuss

Answer & Solution

Answer: Option A

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

Dean number is concerned with the

A) Fluid-particle interaction B) Fluid flow through helical pipes C) Power consumption in agitated vessels D) Psychrometry

Discuss

Answer & Solution

Answer: Option B

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

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Fluid Mechanics MCQ Questions & Answers | Chemical Engineering