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PU CSS 2026 Practice Test Physics Fluid Dynamics Free Quiz 1

PU CSS Quiz

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PU CSS 2026 Practice Test Physics Fluid Dynamics Free Quiz 1

Practice PU CSS 2026 Physics MCQs from Fluid Dynamics. Get instant results with Explanation.

General10 MCQs

1. What is density?

A. Mass per unit volumeB. Weight per unit volumeC. Force per unit areaD. Mass per unit area

2. What is the density of water?

A. 100 kg/m³B. 500 kg/m³C. 1000 kg/m³D. 2000 kg/m³

3. What is specific gravity?

A. Density of the substanceB. Weight of the substanceC. Pressure of the substanceD. Ratio of density to water density

4. What is pressure?

A. Force per unit areaB. Mass per unit volumeC. ForceD. Volume

5. What is the approximate atmospheric pressure at sea level?

A. 10³ PaB. 10⁶ PaC. 1.01 × 10⁵ PaD. 10⁴ Pa

General10 MCQs

6. What is the formula for pressure at depth in a fluid?

A. P = F/AB. P = ρgVC. P = m/VD. P = ρgh

7. What does Pascal's law state?

A. Pressure is transmitted equally throughout the fluidB. Buoyant force equals weight of displaced fluidC. Sum of pressure and kinetic energy is constantD. Fluid velocity increases with decreasing pressure

8. In a hydraulic lift, if A₁ = 1 m² and A₂ = 10 m², the force is multiplied by how many times?

A. 5 timesB. 20 timesC. 10 timesD. 15 times

9. What does Archimedes' principle state?

A. Buoyant force equals weight of displaced fluidB. Pressure is transmitted equallyC. Pressure and kinetic energy sum is constantD. Velocity of fluid is inversely proportional to area

10. What is the direction of buoyant force?

A. DownwardB. UpwardC. SidewaysD. Any direction

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