Fluid and Pascal Concepts Quiz

Froggy Jumps

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Fluid & Pascal basics

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Melai David

Philippines

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Fluid and Pascal Concepts Quiz


Froggy Jumps Fluid and Pascal Concepts QuizVersion en ligne Fluid & Pascal basics par Melai David 1 In fluid statics, pressure at depth h is P = P0 + ρgh. What does P0 represent? a Atmospheric pressure at the surface b Hydrostatic pressure at depth h c Dynamic pressure in motion 2 Pascal's principle states pressure applied to a confined fluid is transmitted how? a Only downward b Only horizontally c Equally in all directions 3 Archimedes' principle says buoyant force equals what? a Weight of the displaced fluid b Fluid density times volume c Pressure at the surface 4 Dynamic viscosity relates shear stress to velocity gradient by which equation? a F = ma b τ = μ (du/dy) c P = ρgh 5 Reynolds number is Re = ? a ρ v L / μ b μ / (ρ v L) c vL / (ρ μ) 6 When flow transitions from laminar to turbulent, Reynolds number is typically around? a ≈ 100000 b ≈ 0.1 c ≈ 2000 7 In a hydraulic press, a small force on a small piston yields what on a larger piston? a Larger force output b Smaller force output c Same force, same size 8 Which property increases hydrostatic pressure at depth? a Fluid color b Surface temperature c Fluid density 9 Which statement is true for incompressible fluids? a Volume changes with pressure b Density varies greatly with pressure c Density remains nearly constant 10 SI unit of pressure is what? a Newton b Joule c Pascal (Pa) 11 What does Pascal's principle state about pressure in a confined fluid? a Pressure is not transmitted when the fluid is enclosed. b Pressure varies with depth only on the surface. c Pressure is transmitted undiminished in all directions. 12 In a hydraulic system, applying pressure on a small piston results in what at the larger piston? a A higher pressure only at small piston. b A larger speed. c A larger force. 13 If piston A has area 2 cm² with 10 N force, and piston B has 20 cm², what is F_B? a 20 N b 400 N c 100 N 14 What is the unit of fluid pressure in Pascals? a Watt (W) b Pascal (Pa) c Newton (N) 15 Which role best describes the fluid in a hydraulic system? a Heats the system b Transmits pressure to multiply force c Stores electrical energy 16 If the piston area increases while applying the same pressure, how does speed of movement change? a Remains the same b Movement speeds up c Movement slows down 17 Pascal's principle applies to which type of fluids? a Incompressible or nearly incompressible fluids b Fluids that are not confined c Gases only 18 Common hydraulic fluids include which option? a Air b Water only c Mineral oil or synthetic oil 19 A hydraulic brake system utilizes Pascal's principle to a Supply electrical power b Increase braking force at the wheels c Decrease pedal effort 20 A hydraulic system acts as a force multiplier by a Using different piston areas to scale force b Increasing fluid temperature c Storing energy as heat

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Fluid and Pascal Concepts Quiz

Froggy Jumps

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Créé par

Téléchargez la version pour jouer sur papier

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Fluid and Pascal Concepts QuizVersion en ligne

par Melai David

In fluid statics, pressure at depth h is P = P0 + ρgh. What does P0 represent?

Pascal's principle states pressure applied to a confined fluid is transmitted how?

Archimedes' principle says buoyant force equals what?

Dynamic viscosity relates shear stress to velocity gradient by which equation?

Reynolds number is Re = ?

When flow transitions from laminar to turbulent, Reynolds number is typically around?

In a hydraulic press, a small force on a small piston yields what on a larger piston?

Which property increases hydrostatic pressure at depth?

Which statement is true for incompressible fluids?

SI unit of pressure is what?

What does Pascal's principle state about pressure in a confined fluid?

In a hydraulic system, applying pressure on a small piston results in what at the larger piston?

If piston A has area 2 cm² with 10 N force, and piston B has 20 cm², what is F_B?

What is the unit of fluid pressure in Pascals?

Which role best describes the fluid in a hydraulic system?

If the piston area increases while applying the same pressure, how does speed of movement change?

Pascal's principle applies to which type of fluids?

Common hydraulic fluids include which option?

A hydraulic brake system utilizes Pascal's principle to

A hydraulic system acts as a force multiplier by