Chapter 4 Hydraulics

Velocity increases __ times to maintain a constant rate of fluid flow if the diameter of a conductor is halved.

• two

• three

• four

• does not increase

The standard flare angle for hydraulic tubing fittings is __ degree from the centerline.

• 17

• 24

• 37

• 45

A __ mark is a mark used as a guide to join parts together.

• ferrule

• hose

• pipe

• witness

__ is the speed of fluid flow through a hydraulic line.

• Acceleration

• Pressure

• Velocity

• Viscosity

Pipes are rated type of scale known as a schedule and range from to .

• 10; 40

• 40; 80

• 40; 120

• 10; 160

When performing certain mathematical calculations the symbol __ is used to indicate a change in a particular value.

• Σ

• δ

• ϴ

• Δ

A __ is a tool used to cut threads in a steel pipe.

• deburring tool

• pipe cutter

• pipe threader

• tap and die

__ are/ is a passage or series of passages in a fluid power system that is constructed of metal, plastic, or plasticized rubber and conforms to ANSI standards.

• Accumulators

• Pilot lines

• Piping

• Valve bodies

A __ is a line mark or print on a hose that indicates if a hydraulic hose has been improperly twisted after installation.

• lay line

• pilot line

• specification

• witness mark

__ is an increase in speed measured in fps.

• Acceleration

• Torque

• Velocity

• Work