Hydraulics Engineering

A double acting clylinder will extend when oil flows into the ______

Cap end

Which of the following is not considered part of the hydraulic power unit?

Actuator

Fluid power deals with the transmission and control of energy by a pressurized _______

Fluid

The spool of a Directional control valve is shifted to different positions by the _______

Operator

A ______ fitting is used when you want to connect two circuits to a single supply.

Tee

What term is used to describe the maximum possible reading of a pressure gauge?

Range

Quick connect fitting have a `___________ valve built in

Check

Which of the following is not shown in a hydraulic schematic

Liquid

A directional control valve is used to __________

Change the direction of the fluid

Which of the following is not considered one of the five basic components of a hydraulic system?

Control Device

The most common type of pressure gauge is the__________

Bourdon tube

Another name for a cylinder would be a ________

Actuator

Pressure is equal to force divided by __________

Area

Which one hydraulic component may be shown many times in a schematic without indicating that were are more than one of that component?

Vented reservoir

Which type of flowmeter must be oriented in a vertical postion?

Rotameter

The needle valve adjustment screw has a tapered end to adjust the size of the ________

Orifice

A pump produces ________

Flow

The hydraulic motor converts hydraulic flow into ___________

Rotary shaft speed

Which of the following is not a type of hydraulic piston motror?

A spring landed

Most hydraulic motors are modified designs of ______

pumps

Flow rate is equal to volume divided by _________

Time

The main function of a needle valve is to ____________

Control the speed of an actuator

Which of the following is not a type of fixed displacement pump?

Centrifugal

Pressures are stated as _________

Psi,PSIA,psig

As oil is pumped through a hydraulic system, it progressively ________

Drops in pressure

Flow occurs between two connected points in a hydraulic system when _________

A pressure differential exists

What two values are needed to calculate the theoretical amount of force created by a cylinder?

Pressure and the area of the bore

Pascal’s states that pressure in a confined fluid is equal and acts ________

Perpendicular to all surfaces

Delta P is another name for ________

Pressure differential

The hydraulic lever provides ________

Force multiplication

Pressure is created by the _____

Pump

The rod side area that produces the pull force on a double cylinder is called the ______ area

Annular