The working of hydraulic brake system follows……EXTRA
a) the Archimedes principle
b) the Bernoulli Principle
c) the Newton’s law of cooling
d) the Pascal law of hydraulics
Pascal law states that the pressure at a point is equal in all directions: Extra
a) in a liquid at rest
b) in a fluid at rest
c) in a laminar flow
d) in a turbulent flow
Pour some water into a clear glass. Then pour in some cooking oil. Which liquid is less dense?
a) oil
b) water
c) both a & b
d) none of these
Explanation: Density of pure water=1000kg/m3 and density of oil is 700-950kg/m3
Fluid of different densities will ………………
a) float on top of each other
b) mix with each other
c) diffuse with each other
d) none of these
Ships and boats sink in water if its weight including the weight of its passenger and goods becomes…….. the upthurst of water.
a) less than
b) greater than
c) equal to
d) none of these
Topic Liquid Pressure:
