Hydraulics And Fluid Mechanics MCQ Questions & Answers

Learn Hydraulics And Fluid Mechanics MCQ questions & answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Hydraulics And Fluid Mechanics MCQ question is the important chapter for a Mechanical Engineering and GATE students. Page-3 section-7

Each section contains 100 MCQs on Hydraulics and Fluid Mechanics in ME .

The volumetric change of the fluid caused by a resistance is known as

A) Volumetric strain B) Volumetric index C) Compressibility D) Adhesion

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Answer & Solution

Answer: Option C

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The discharge over a rectangular notch is

A) Inversely proportional to $${{\text{H}}^{\frac{3}{2}}}$$ B) Directly proportional to $${{\text{H}}^{\frac{3}{2}}}$$ C) Inversely proportional to $${{\text{H}}^{\frac{5}{2}}}$$ D) Directly proportional to $${{\text{H}}^{\frac{5}{2}}}$$

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Answer & Solution

Answer: Option B

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The flow in which the particles of a fluid attain such velocities that varies from point to point in magnitude and direction as well as from instant to instant, is known as

A) One dimensional flow B) Uniform flow C) Steady flow D) Turbulent flow

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Answer & Solution

Answer: Option D

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The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as

A) One dimensional flow B) Uniform flow C) Steady flow D) Turbulent flow

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Answer & Solution

Answer: Option B

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The specific weight of water is 1000 kg/m³

A) At normal pressure of 760 mm B) At 4°C temperature C) At mean sea level D) All the above

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Answer & Solution

Answer: Option D

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Density of water is maximum at

A) 0° C B) 0° K C) 4° C D) 100° C

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Answer & Solution

Answer: Option C

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The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be

A) 500 kg B) 1000 kg C) 1500 kg D) 2000 kg

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Answer & Solution

Answer: Option D

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Euler's dimensionless number relates the following

A) Inertial force and gravity B) Viscous force and inertial force C) Viscous force and buoyancy force D) Pressure force and inertial force

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Answer & Solution

Answer: Option D

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The force per unit length is the unit of

A) Surface tension B) Compressibility C) Capillarity D) Viscosity

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Answer & Solution

Answer: Option A

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A water tank contains 1.3 m deep water. The pressure exerted by the water per metre length of the tank is

A) 2.89 kN B) 8.29 kN C) 9.28 kN D) 28.9 kN

Discuss

Answer & Solution

Answer: Option B

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Hydraulics And Fluid Mechanics MCQ Questions &amp; Answers | Mechanical Engineering

Hydraulics And Fluid Mechanics MCQ Questions & Answers | Mechanical Engineering