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Fluid Mechanics and Hydraulic Machines MCQs | Page - 11

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Mr. Dubey • 51.43K Points
Coach

Q. 101) The branch of Engineering-science, which deals with water at rest or in motion is called

(A) hydraulics
(B) Fluid mechanics
(C) Applied mechanics
(D) Kinematics.
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Mr. Dubey • 51.43K Points
Coach

Q. 102) A solid can resist which of the following stresses?

(A) Tensile
(B) Compressive
(C) Shear
(D) All of the above.
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Mr. Dubey • 51.43K Points
Coach

Q. 103) .......... possesses no definite volume and is compressible.

(A) Solid
(B) Liquid
(C) Gas
(D) Vapour.
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Mr. Dubey • 51.43K Points
Coach

Q. 104) The ratio of the specific weight of the liquid to the specific weight of a standard fluid is known as

(A) Specific volume
(B) Weight density
(C) Specific gravity
(D) Viscosity.
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Mr. Dubey • 51.43K Points
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Q. 105) The property of a fluid which determines its resistance to shearing stress is called

(A) Viscosity
(B) Surface tension
(C) Compressibility
(D) None of the above.
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Mr. Dubey • 51.43K Points
Coach

Q. 106) Fluids which do not follow the linear relationship between shear stress and rate of deformation are termed as.... fluids.

(A) Newtonian
(B) Non-Newtonian
(C) Dilatant
(D) ideal
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Mr. Dubey • 51.43K Points
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Q. 107) The printer’s ink is an example of

(A) Newtonian fluid
(B) Non-Newtonian
(C) Thixotropic substance
(D) Elastic solid.
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Mr. Dubey • 51.43K Points
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Q. 108) The viscosity of liquids ..... with increase in temperature.

(A) Decreases
(B) Increases
(C) First decreases and then increases
(D) First increases and then decreases.
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Mr. Dubey • 51.43K Points
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Q. 109) Surface tension is caused by the force of ..... at the free surface.

(A) Cohesion
(B) Adhesion
(C) Both (a) and (b)
(D) None of the above.
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Mr. Dubey • 51.43K Points
Coach

Q. 110) Which of the following is an example of phenomenon of surface tension?

(A) Rain drops
(B) Rise of sap in a tree
(C) Break up of liquid jets
(D) All of the above.
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