Apply hydraulic principles CAT 1

What is the property of a fluid that causes it to resist flow?

• density

• temperature

• viscosity

• color

How is pressure measured using a manometer?

• By using a ruler to measure the length of the manometer

• By measuring the temperature of the fluid

• By counting the number of bubbles in the fluid

• By comparing the difference in fluid levels between the two arms of the manometer

What is the formula for hydrostatic pressure?

• P = ρg^2h

• P = ρg/h

• P = ρgh

• P = 2ρgh

What are the properties of an ideal fluid?

• Incompressible, no viscosity, streamline flow

• Low compressibility, high viscosity, laminar flow

• Incompressible, high viscosity, turbulent flow

• Highly compressible, high viscosity, turbulent flow

What is the study of fluid motion without considering the forces and moments causing the motion?

• Fluid kinematics

• Fluid dynamics

• Fluid mechanics

• Fluid thermodynamics

What is the SI unit of pressure?

• Watt (W)

• Pascal (Pa)

• Joule (J)

• Newton (N)

What is the equation for calculating the pressure at a certain depth in a fluid?

• P = ρg^2h

• P = 2ρgh

• P = ρg/h

• P = ρgh

What is the specific weight of water?

• 3.45 kN/m^3

• 9.81 kN/m^3

• 12.34 kN/m^3

• 5.67 kN/m^3

What is the term for the force exerted by a fluid at rest to a surface?

• Total pressure

• thermodynamic pressure

• aerodynamic pressure

• geostatic pressure

What is the equation for calculating the velocity of a fluid in motion?

• v = P/A

• v = Q/A

• v = F/m

• v = A/Q