Mechanical Properties of Fluids Test

Result

Mechanical Properties of Fluids Test - 33

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Weekly Quiz Competition

Question 1
4 / -1

The angle of contact between glass and mercury is

A
0°

B
30°

C
90°

D
135°
Question 2
4 / -1

The value of contact angle for kerosene with solid surface

A
0°

B
90°

C
45°

D
33°
Question 3
4 / -1

Nature of meniscus for liquid of 0° angle of contact

A
Plane

B
Parabolic

C
Semi-spherical

D
Cylindrical
Question 4
4 / -1

The excess of pressure inside a soap bubble than that of the outer pressure is

A

B

C

D
Question 5
4 / -1

The excess pressure in a soap bubble is thrice that in other one. Then the ratio of their volume is

A
1 : 3

B
1 : 9

C
27 : 1

D
1 : 27

Solution
Question 6
4 / -1

A capillary tube of radius R is immersed in water and water rises in it to a height H. Mass of water in the capillary tube is M. If the radius of the tube is doubled, mass of water that will rise in the capillary tube will now be

A
M

B
2M

C
M/2

D
4M

Solution
Question 7
4 / -1

If the diameter of a capillary tube is doubled, then the height of the liquid that will rise is

A
Twice

B
Half

C
Same as earlier

D
None of these

Solution
Question 8
4 / -1

Two capillary tubes of radii 0.2 cm and 0.4 cm are dipped in the same liquid. The ratio of heights trough which liquid will rise in the tubes is

A
1 : 2

B
2 : 1

C
1 : 4

D
4 : 1

Solution
Question 9
4 / -1

When a capillary is dipped in water, water rises 0.015 m in it. If the surface tension of water is 75 × 10^–3 N/m, the radius of capillary is

A
0.1 mm

B
0.5 mm

C
1 mm

D
2 mm

Solution
Question 10
4 / -1

The action of a nib split at the top is explained by

A
Gravity flow

B
Diffusion of fluid

C
Capillary action

D
Osmosis of liquid