set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Hydraulic lift is based on the principle of

a) Bernoulli’s theorem

b) Pascal’s law

c) Toricelli’s theorem

d) Stoke’s law

Question : 2

200 gm of water is filled in a weightless balloon. Its weight in water will be

a) 100 gm

b) 200 gm

c) Zero

d) 400 gm

Question : 3

For a fluid which is flowing steadily, the level in the vertical tubes is best represented by

a)

b)

c)

d)

Question : 4

Liquid pressure at a point in a liquid does not depend on the

a) shape of the vessel in which the liquid is kept

b) density of liquid

c) depth of the point from the surface

d) acceleration due to gravity

Question : 5

Why the dam of water reservoir is thick at the bottom?

a) Density of water increases with depth

b) Quantity of water increases with depth

c) Pressure of water increases with depth

d) Temperature of water increases with depth

Question : 6

Kerosene rises in the wick of the stove is due to

a) Diffusion

b) Surface tension

c) Osmosis

d) Biogen contraction