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MT 108 Chapter 1 > Module 1 > Flashcards

Module 1 Flashcards

1
Q

a push or pull exerted on an object to change its position or direction of movement

A

Force

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2
Q

a downward force that results from the gravitational pull on an object

A

Weight

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3
Q

the amount of matter in an object

A

Mass

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4
Q

a measure of the density of a liquid

A

Specific gravity

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5
Q

the amount of force exerted on an object divided by the area over which the force is exerted

A

Pressure

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6
Q

the result of a body being moved through a distance by force

A

Work

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7
Q

the amount of work done in a given amount of time

A

Power

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8
Q

The fluid in a fluid power system can be either a(n) _____ or a(n) _____.

A

Liquid; Gas

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9
Q

A push or pull applied against an object to move it is called a(n) _____.

A

Force

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10
Q

Gravitational force gives an object _____.

A

Weight

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11
Q

The density of a liquid is expressed in terms of _____.

A

Specific Gravity

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12
Q

The specific gravity of a liquid is determined by comparing the weight of the fluid to the weight of an equal volume of _____ at the same temperature.

A

Water

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13
Q

The amount of work done when an object is moved through a distance by a force is expressed in units of _____.

A

Foot-Pounds

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14
Q

The amount of work done in a given period of time is called _____.

A

Power

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15
Q

Name the four types of energy produced in a hydraulic system.

A

Hydraulic, Kinetic, Potential, Heat

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16
Q

The rapid intermingling of molecules of one gas or liquid with another is called.

A

Diffusion

17
Q

Pascal’s Law states that when pressure is exerted on a confined liquid, the pressure is transmitted _____ in all directions throughout the liquid.

A

Equally

18
Q

Force can be increased or decreased in a hydraulic system by means of hydraulic _____.

A

Leverage

19
Q

If two pistons have a force ratio of 4 to 1, the amount of movement of piston 2 is _____ the movement of piston 1.

A

1/4

20
Q

The ideal fluid flow in a hydraulic power system is called _____ flow.

A

Laminar

21
Q

Turbulent flow wastes power by generating excess _____ in the fluid.

A

Heat

22
Q

In a hydraulic power system, fluid flow is directed by a(n) _____.

A

Control Valve

23
Q

The component used to maintain system pressure in a hydraulic system is the _____.

A

Pressure-Regulating Valve

MT 108 Chapter 1 (2 decks)

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