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-1 section-4

A streamline is defined as the line

A) Parallel to central axis flow B) Parallel to outer surface of pipe C) Of equal velocity in a flow D) Along which the pressure drop is uniform

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Answer & Solution

Answer: Option C

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The two important forces for a floating body are

A) Buoyancy, gravity B) Buoyancy, pressure C) Buoyancy, inertial D) Inertial, gravity

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Answer & Solution

Answer: Option A

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The conditions for the stable equilibrium of a floating body are

A) The metacentre should lie above the center of gravity B) The center of buoyancy and the center of gravity must lie on the same vertical line C) A righting couple should be formed D) All the above are correct

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Answer & Solution

Answer: Option D

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A one dimensional flow is one which

A) Is uniform flow B) Is steady uniform flow C) Takes place in straight lines D) Involves zero transverse component of flow

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Answer & Solution

Answer: Option D

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The top of the weir over which the water flows is known as

A) Sill or crest B) Nappe or vein C) Orifice D) None of these

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Answer & Solution

Answer: Option A

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The upper surface of a weir over which water flows is known is

A) Crest B) Nappy C) Sill D) Weir top

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Answer & Solution

Answer: Option C

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Two dimensional flows occurs when

A) The direction and magnitude of the velocity at all points are identical B) The velocity of successive fluid particles, at any point, is the same at successive periods of time C) The magnitude and direction of the velocity do not change from point to point in the fluid D) The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane

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Answer & Solution

Answer: Option D

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In the case of steady flow of a fluid, the acceleration of any fluid particle is

A) Constant B) Variable C) Zero D) Zero under limiting conditions

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Answer & Solution

Answer: Option C

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A structure, whose width is __________ the width of the channel, is called a flumed structure.

A) Less than B) More than C) Equal D) None of these

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Answer & Solution

Answer: Option A

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Ratio of inertia force to elastic force is known as

A) Mach number B) Froude number C) Reynolds number D) Weber's number

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Answer & Solution

Answer: Option A

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

Hydraulics And Fluid Mechanics MCQ Questions & Answers | Mechanical Engineering