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MHB Landscape Technology And Materials > Electrical, Plumbing, Irrigation, Drainage And Other Accesories > Flashcards

Electrical, Plumbing, Irrigation, Drainage And Other Accesories Flashcards

1
Q

A fundamental quantity in electricity (+ or -)

A

Charge

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2
Q

The flow of electrons through a material.

A

Current electricity

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3
Q

The buildup of charges on an object.

A

Static electricity

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4
Q

The flow of electrons

A

Electricity

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5
Q

The basic unit of matter that contains a positively charged nucleus surrounded by electrons.

A

Atom

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6
Q

Negatively charged particles in an atom.

A

Electrons

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7
Q

Neutrally charged particles of an atom.

A

Neutrons

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8
Q

Positively charged particles of an atom.

A

Protons

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9
Q

The path an electrons takes through an atom or molecule.

A

Orbital

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10
Q

A device that converts mechanical energy into electricity.

A

Electrical generator

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11
Q

A device that changes the voltage of electricity so that it can be transferred over long distances.

A

Transformer

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12
Q

A material through which a charge moves easily

A

Conductor

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13
Q

A material that is usually insulating, but becomes conductive through the addition of an impurity.

A

Semiconductor

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14
Q

A material that has no electrical resistance; occurs near absolute zero.

A

Superconductor

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15
Q

A material that does not allow heat or electrons to move through it easily.

A

Insulator

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16
Q

A solid conductor through which a current enters or exits a medium.

A

Electrode

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17
Q

A electrode where free electrons are produced.

A

Anode

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18
Q

One or more cells connected in series.

A

Battery

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19
Q

An atom that has acquired an electrical charge.

A

Ion

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20
Q

An electrode where reduction occurs.

A

Cathode

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21
Q

A material that dissolves in water, producing a solution that conducts electricity.

A

Electrolyte

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22
Q

Any path that electrons can flow through.

A

Circuit

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23
Q

A circuit with a break in its path.

A

Open circuit

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24
Q

A circuit with a complete path, which allows for charges to move.

A

Closed circuit

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25
Q

The electrode held by the skin care specialist during a treatment

A

Active electrode

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26
Q

Is a rapid oscillating cycle that alternates back and forth, allowing electrons to flow first in one direction and then in the other.

A

Alternating current

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27
Q

A unit of electric strenth

A

Amp

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28
Q

Indicates the number of electrons flowing through a particular line.

A

Amp rating

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29
Q

Allows an alkaline solution to enter the skin when assisted by galvanic current and the negative pole of an electrode.

A

Anaphoresis

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30
Q

A positively changed electrode

A

Anode

31
Q

Allows an acidic solution to enter the skin when assisted by galvanic current and the positive pole of an electrode.

A

Cataphoresis

32
Q

A negatively changed electrode

A

Cathode

33
Q

Breaks the flow of current when an overload occurs

A

Circuit breaker

34
Q

For electricity to power any electric appliance, there needs to be a closed path, known as a - through which the electricity travels

A

Circut

35
Q

The existence of a certain condition that suggests it is inadvisable to perform a procedure.

A

Contraindication

36
Q

Changes DC to AC

A

Converter

37
Q

Is a constant current in which electrons move at an even rate and flow in only one direction

A

Direct current

38
Q

The flow of electricity along a conductor. Also known as modality.

A

Electric current

39
Q

A form of energy that produces light, heat, magnetic and chemical changes.

A

Electricity

40
Q

When heat energy is transferred by radiation, these electrons move in wave-like patterns. These waves of electrons are called

A

Electromagnetic Radiation

41
Q

The range of all the wavelengths that can be produced by radiant energy is called the

A

Electromagnetic Spectrum

42
Q

Tiny, negatively charged particals

A

Electrons

43
Q

Is an economical and long-lasting light source. Can create cool tones

A

Fluorescent light

44
Q

A safety device that prevents electrical wires from overheating

A

Fuse

45
Q

Indicates the number of cycles per second that a generator alternates current

A

Hertz Rating

46
Q

An alternating current that can be adjusted to different voltages to produce heat. Also referred to as Tesla current

A

High frequency

47
Q

Kind of light provided by an ordinary light bulb. Normally produces warm tones.

A

Incandescent light

48
Q

Invisible rays slightly longer that the wavelengths that produce the visible light rays seen as the color red. Can penetrate all the layers of the skin and affect muscle, bone, nerves and joints.

A

Infrared rays

49
Q

A material that does not allow the flow of electric current

A

Insulator

50
Q

A three sided glass object

A

Prism

51
Q

Changes AC to DC

A

Rectifier

52
Q

Can occur anytime a conductor comes in contact with a wire carrying current to a load

A

Short circuit

53
Q

Referred to as combination light. This visible light can be broken into its individual wavelengths by a prism

A

White light

54
Q

The measurement of a wave’s length

A

Wavelength

55
Q

A measure of electrical energy being used

A

Watt

56
Q

A unit of electric pressure

A

Volt

57
Q

Invisible rays slightly shorter than wavelengths that produce the visible light rays seen as the color violet.

A

Ultraviolet rays

58
Q

Removal of salt from the ocean water. Sometimes too salty for irrigation so its used in sewage system.

A

Desalinization

59
Q

Using small pipes that slowly drips water to conserving

A

Drip irrigation

60
Q

Water pumped from under ground aquifers

A

Fossil water

61
Q

Operate in shadow or narrow waterways

A

Tankers

62
Q

Land formed from fine soils deposited by a river

A

Alluvial plain

63
Q

A long time with little or no rain

A

Droughts

64
Q

Slow moving 1,250 miles long and has many curves

A

Euphrates river

65
Q

Describes the land found there on the map the fertile cresent waa apart of Iraq Iran Turkey Syria Lebanon Jordan and Israel

A

Fertile cresent

66
Q

It is the use of connected dikes, ditches, dams and canals to move water to dry areas.

A

Irrigation

67
Q

A high flat area of land

A

Plateau

68
Q

A rich mixture of bits of rock and soil, remained

A

Silt

69
Q

Is the resource for both tigris and Euphrates

A

Taurus mountain

70
Q

Moves rapidly 1,720 miles and has mant tributaries

A

Tigris river

71
Q

Branches of rivers

A

Tributaries

72
Q

Relating to a city or cities

A

Urban

73
Q

The towered over the fertile cresent

A

Zagros mountain

MHB Landscape Technology And Materials (2 decks)

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