Fluid Mechanics & Hydraulics (3140611) MCQs

MCQs of Properties of Fluids

Showing 11 to 16 out of 16 Questions
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11.
When a small diameter tube is dipped in water, the water rises in the tube with an upward ……….. surface.
(a) flat
(b) concave
(c) parabolic
(d) convex
Answer:

Option (b)

12.
A glass tube of smaller diameter is used while performing an experiment for the capillary rise of water because
(a) it is easier to see through the glass tube
(b) glass tube is cheaper than a metallic tube
(c) it is not possible to conduct this experiment with any other tube
(d) all of the above
Answer:

Option (a)

13.
Mercury does not wet the glass. This is due to property of the liquid known as
(a) cohesion
(b) adhesion
(c) viscosity
(d) surface tension
Answer:

Option (d)

14.
With an increase in size of tube, the rise of depression of liquid in the tube due to surface tension will
(a) decrease
(b) increase
(c) remain unchanged
(d) depend upon characteristics of liquid
Answer:

Option (a)

15.
Falling drops of water becomes sphere due to the property of
(a) surface tension of water
(b) compressibility of water
(c) capillarity of water
(d) viscosity of water
Answer:

Option (a)

16.
A vessel of 4 m3 contains oil which weighs 30 kN. The specific weight of the oil is …..kNm3.
(a) 4.5
(b) 6
(c) 7.5
(d) 10
Answer:

Option (c)

Showing 11 to 16 out of 16 Questions
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