Hydraulics And Fluid Mechanics MCQ Questions & Answers

Hydraulics And Fluid Mechanics MCQ Questions & Answers | Mechanical Engineering

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-7 section-2

Which of the following statement is wrong?

A) A flow whose streamline is represented by a curve is called two dimensional flow. B) The total energy of a liquid particle is the sum of potential energy, kinetic energy and pressure energy. C) The length of divergent portion in a Venturimeter is equal to the convergent portion. D) A pitot tube is used to measure the velocity of flow at the required point in a pipe.

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Answer & Solution

Answer: Option C

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Which of the following statement is wrong?

A) The reaction turbines are used for low head and high discharge B) The angle of taper on draft tube is less than 8° C) An impulse turbine is generally fitted slightly above the tail race D) A Francis turbine is an impulse turbine

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Answer & Solution

Answer: Option D

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An open vessel of water is accelerated up an inclined plane. The free water surface will

A) Be horizontal B) Make an angle in direction of inclination of inclined plane C) Make an angle in opposite direction to inclination of inclined plane D) Any one of above is possible

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Answer & Solution

Answer: Option C

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Newton's law of viscosity is a relationship between

A) Pressure, velocity and temperature B) Shear stress and rate of shear strain C) Shear stress and velocity D) Rate of shear strain and temperature

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Answer & Solution

Answer: Option B

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The rise of liquid along the walls of a revolving cylinder about the initial level is _________ the depression of the liquid at the axis of rotation.

A) Same as B) Less than C) More than D) None of these

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Answer & Solution

Answer: Option A

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Mercury is often used in barometer because

A) It is the best liquid B) The height of barometer will be less C) Its vapour pressure is so low that it may be neglected D) Both (B) and (C)

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Answer & Solution

Answer: Option D

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A compound pipe is required to be replaced by a new pipe. The two pipes are said to be equivalent, if

A) Length of both the pipes is same B) Diameter of both the pipes is same C) Loss of head and discharge of both the pipes is same D) Loss of head and velocity of flow in both the pipes is same

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Answer & Solution

Answer: Option C

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For a floating body to be in equilibrium

A) Meta centre should be above e.g. B) Centre of buoyancy and e.g. must lie on same vertical plane C) A righting couple should be formed D) All of the above

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Answer & Solution

Answer: Option D

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The specific speed of a hydraulic turbine depends upon

A) Speed and power developed B) Discharge and power developed C) Speed and head of water D) Speed, power developed and head of water

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Answer & Solution

Answer: Option D

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The runaway speed of a hydraulic turbine is the speed

A) At full load B) At which there will be no damage to the runner C) Corresponding to maximum overload permissible D) At which the turbine will run freely without load

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Answer & Solution

Answer: Option D

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

Hydraulics And Fluid Mechanics MCQ Questions & Answers | Mechanical Engineering