Fluid Power and Systems

Poll

Fluid Power and Systems

Vote one:

• Heads

• Tails

Multiple Choice

Pressure and volume have a(n) _________ proportionality.

• direct

• inverse

• linear

• exponential

Multiple Choice

The relationship of which two variables are compared in Boyle's Law?

• pressure & volume

• volume & temperature

• temperature & pressure

• volume & moles (amount of gas)

Multiple Choice

Which two variables must be held constant for Boyle’s Law to apply?

• pressure & volume

• volume & temperature

• temperature & moles (amount of gas)

• volume & moles (amount of gas)

Multiple Choice

What is the formula for Boyle's Law?

• P₁V₁=P₂V₂

• P₁V₁/P₂V₂

• P₁V₂=P₂V₁

• P₁/V₁=P₂/V₂

Multiple Choice

Which one of these is not one of 3 factors that control power in hydraulic system

• pressure

• flow

• direction of flow

• air

Multiple Choice

In a hydraulic system the voltage corresponds to.....

• flow

• measured by a flow meter

• piston surface area

• pressure

Multiple Choice

In a hydraulic system the electrical current......

• is usually measured by a flow meter

• corresponds to pressure

• is measured by a pressure gauge

• is related to vibration and contamination

Multiple Choice

What is the difference between hydraulics and pneumatics?

• Hydraulic systems use water; pneumatic systems use anything but water.

• Pneumatic systems use liquids and hydraulic systems use gases.

• Hydraulic systems use liquids and pneumatic systems use gases.

• Hydraulic systems always have an MA less than 1 and pneumatic systems always have an MA greater than 1.

Multiple Select

What are the advantages of a hydraulic system over a pneumatic system? Check all answers that apply.

• smoother motion

• no lubricants are needed

• more precise

• less costly

Multiple Choice

Boyle's Law deals with...

• pressure, volume, and temperature.

• volume and temperature.

• volume and pressure.

• temperature and pressure.

Multiple Choice

Electrical power can be calculated using

• Resistance x Voltage

• Voltage x Current 

• Voltage ÷ Current

Multiple Choice

The power of an appliance is...

• the amount of voltage going through it 

• the amount of energy transferred per second

• the amount of charge that passes through per second

Multiple Choice

What is the unit of Electrical Power?

• Joule

• Watt

• Where

• Amp

Multiple Choice

The unit of energy is?

• Amp

• Joule

• kiloWatt

• Volt

Multiple Choice

The basic idea behind any hydraulic system is very simple: Force that is applied at one point is trasmitted to another point using________

• A compressible fluid

• An incompressible fluid

• A cold compress

• A hot compress

Multiple Choice

Where can you look on your car to see a good example of a basic piston-driven hydraulic system?

• The power steering system

• The brake system

• The instrument panel

• The radio system

Multiple Choice

What is the pressure in the hydraulic fluid?

• 1210 N

• 484 N/m²

• 8000 N

• 3025 N/m²

Multiple Choice

operated by the pressure of a fluid

• hydrant

• hydraulic

• hydroplane

• hydrate

Multiple Select

Fluids Mechanics is divided into several categories. What are they?

• Hydrodynamics

• Aerodynamics

• Gas Dynamics

• Naturally occurring flows

Multiple Choice

AC stands for

• Air-condition

• Direct Current

• Alternating Current

• Alternating Voltage

Multiple Choice

An electric current flowing in one direction only

• voltage

• parallel current

• direct current

• electric current