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Basic Hydraulics Final

Total questions: 20

Worksheet time: 5hrs 0mins

Name
Class
Date
1.

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

a)

Scale

b)

Graduation

c)

Range

d)

Pascal

2.

A double-acting cylinder will extend when oil flows into the ____.

a)

Rod end

b)

Piston

c)

Cap end

d)

Pump

3.

Which of the following is not shown in a hydraulic schematic?

a)

Liquid

b)

Pump

c)

Relief valve

d)

Pressure gauge

4.

Pressure is equal to force divided by ____.

a)

Weight

b)

Liquid

c)

Gas

d)

Area

5.

A(n) ____ fitting is used when you want to connect two circuits to a single supply.

a)

Reducer

b)

Tee

c)

Elbow

d)

Four-way

6.

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

a)

Vessel

b)

Directional Control Valve

c)

Electric motor

d)

Fluid

7.

Quick-connect fittings have a ____ valve built in.

a)

Directional Control

b)

Relief

c)

Check

d)

Sequence

8.

Another name for a cylinder would be a(n) ____.

a)

Power input device

b)

Valve

c)

Control device

d)

Actuator

9.

The most common type of pressure gauge is the ____.

a)

Piston

b)

Linkage

c)

Bourdon tube

d)

Temperature

10.

A pump produces ____.

a)

Pressure

b)

Flow

c)

Flow and pressure

d)

Pressure drop

11.

The hydraulic motor converts hydraulic flow into ____.

a)

Rotary shaft speed

b)

Linear displacement

c)

Negative displacement

d)

Hydraulic pressure

12.

Most hydraulic motors are modified designs of ____.

a)

Cylinders

b)

Pumps

c)

Gears

d)

Flow control valves

13.

Pressure is created by the ____.

a)

Pump

b)

Reservoir

c)

Resistance to flow

d)

Flow meter

14.

Pascal's law states that pressure in a confined fluid is equal and acts ____.

a)

On flat surfaces

b)

Perpendicular to all surfaces

c)

Only at the bottom of the vessel

d)

Only against the external load

15.

The rod side area that produces the pull force on a double-acting cylinder is called the ____ area.

a)

Piston

b)

Cap

c)

Rod

d)

Annular

16.

Flow occurs between two connected points in a hydraulic system when ____.

a)

There is a vacuum

b)

A pressure differential exists

c)

There is a high pressure

d)

Pressure is the same at both points

17.

The hydraulic lever provides ____.

a)

Flow multiplication

b)

A pressure drop

c)

Power multiplication

d)

Force multiplication

18.

The pressure at which a relief valve actually starts to open is called ____.

a)

Full flow pressure

b)

Cracking pressure

c)

Operating pressure

d)

Downstream pressure

19.

Check valves are used in hydraulics to ____.

a)

Control flow

b)

Control speed

c)

Block flow

d)

Control system pressure

20.

At a given flow rate, a cylinder retracts faster than it extends because ____.

a)

The rod takes up space

b)

The annular area is smaller than the piston area

c)

There is less volume to fill

d)

All of the above