Adaptive Practice
Mechanical Properties of Fluids
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Easy
What is the SI unit of pressure?
Medium
Which of the following fluids has the highest viscosity at room temperature?
Easy
According to Pascal's principle, when pressure is applied to a confined fluid, the pressure change is:
Easy
If the density of a fluid is 1000 kg/m³ and acceleration due to gravity is 9.8 m/s², what is the pressure exerted by a 5 m column of this fluid?
Medium
Which of the following is true about an ideal fluid?
Medium
The surface tension of water decreases when:
Hard
In a hydraulic lift, if the area of the smaller piston is 0.01 m² and the area of the larger piston is 1 m², what force must be applied on the smaller piston to lift a 1000 N load on the larger piston?
Easy
The pressure at a depth h in a liquid of density ρ is given by:
Easy
Which principle explains why a ship floats on water?
Medium
If the velocity of fluid flow increases, what happens to the pressure according to Bernoulli's equation?