Hydraulics And Fluid Mechanics MCQ Questions & Answers | Mechanical Engineering Page-1 section-4

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7

1.
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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2.
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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3.
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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4.
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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5.
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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6.
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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7.
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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8.
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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9.
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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10.
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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Hydraulics And Fluid Mechanics MCQ Questions & Answers | Mechanical Engineering

1. A streamline is defined as the line

Answer & Solution

2. The two important forces for a floating body are

Answer & Solution

3. The conditions for the stable equilibrium of a floating body are

Answer & Solution

4. A one dimensional flow is one which

Answer & Solution

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

Answer & Solution

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

Answer & Solution

7. Two dimensional flows occurs when

Answer & Solution

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

Answer & Solution

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

Answer & Solution

10. Ratio of inertia force to elastic force is known as

Answer & Solution

Read More Section(Hydraulics and Fluid Mechanics in ME)

1.
A streamline is defined as the line

2.
The two important forces for a floating body are

3.
The conditions for the stable equilibrium of a floating body are

4.
A one dimensional flow is one which

5.
The top of the weir over which the water flows is known as

6.
The upper surface of a weir over which water flows is known is

7.
Two dimensional flows occurs when

8.
In the case of steady flow of a fluid, the acceleration of any fluid particle is

9.
A structure, whose width is __________ the width of the channel, is called a flumed structure.

10.
Ratio of inertia force to elastic force is known as