問題一覧
1
Capacitytodowork.MeasuredinJoules(J)
energy
2
what should be the wire size of 15 amps
#14
3
what is the 3rd sign
wall mounted data/telephone outlet
4
It is the rate of flow of charges, measured in Amperes (A) or Coulomb/Sec (C/s)
current
5
a machine that converts electric energy into mechanical energy
electric motor
6
If two or more components are connected end to end
series resistor
7
resistor that are connected to the same two nodes.
parallel
8
what should be the wire size of 20 amps
#12
9
The total current is shared by the resistors in inverse proportion to their resistances.
current divider rule
10
the static part of dc motor that houses the field windings and receives the supply
stator
11
sometimes called electrical drawing or wiring diagram
electrical plan
12
what should be the wire size of 30 amps
#10
13
elements that are not capable of generating energy
passive element
14
His name was used to describe the electrical unit of power
james watt
15
building blocks of a circuit
circuit elements
16
Scottish inventor who made improvements to the steam engine.
James Watt
17
what is the 2nd sign
wall mounted data outlet
18
another name for IR test?
megger test
19
Design of the ideal lighting and power outlets to your plan
electrical layout
20
Used only when unit is disconnected from its original circuit.
ohmmeter
21
Form of energy that harnesses the power of water in motion such as water flowing over a waterfall to generate electricity
hydropower
22
Used to measure resistance directly on meter.
ohmmeter
23
British physicist who first discover that moving a magnet near a coil of copper wire produced an electric current
michael faraday
24
a test tool used to measure two or more electrical values—principally voltage (volts), current (amps) and resistance (ohms).
multimeter
25
what is the 2nd sign
double pole switch
26
elements that are capable of generating energy
active element
27
determine the type of lighting outlet
ceiling outlet fixture
28
where is wiring concealed in floor
3rd
29
.
The Ammeter is a measuring instrument used to find the strength of current flowing around an electrical circuit when connected in _____ with the part of the circuit being measured
30
Energy from the sun that is converted into thermal or electrical energy.
solar energy
31
LOW RESISTANCE – GOOD GROUNDING
ground resistance meter
32
where is exposed wiring
4th
33
It provide information and direction to the contractor by clarifying design details or construction practices
general notes and specifications
34
A summary of data to easily identify and facilitate necessary values and equipment rating to be used in any electrical installation
load schedule
35
can be used also as a continuity tester
ohmmeter
36
Rate at which a device changes electric current to another form of energy. Measured in Watts (W)
power
37
French physicist who helped describe a way to measure flow of electricity. The unit for measuring electric current was named in honor of him.
andre marie ampere
38
The field windings are connected in series with the armature coil
series dc motor
39
It is the ability to resist the flow of electric current; it is measured in Ohms (Ω)
resistance
40
Type of energy that harnesses the heat within the earth to power steam turbines to turn electric generators for electrical power
geothermal
41
multimeter that uses a needle that moves along a scale to indicate the value of the measurement.
analog
42
what should be the wire size of 40 amps
#8
43
The meter which is used for measuring the energy utilizes by the electric load
energy meter
44
test the resistance of soil to the passage of electric current to determine the adequacy of the grounding of an electrical system by ensuring an adequately large path for fault currents, an indispensable component of a safe, properly functioning electrical system.
ground resistance meters
45
States that the voltage across a resistor is directly proportional to the current flowing through the resistor
ohms law
46
The use of wind to provide mechanical power through wind turbines to turn electric generators for electrical power
wind energy
47
.
ohmmeter
48
what type of element is resistor, capacitor,inductor?
passive element
49
what is the 1st sign
telephone outlet
50
where is branch circuit
1st
51
det the 5th and 6th sign
special purpose single receptacle outlet and special duplex outlet
52
• It is the ability of an element to conduct electric current;
conductance
53
The field windings are connected in parallel with the armature coil
shunt dc motor
54
How many electron in 1 coloumb of charge
6.24x10^18
55
HIGH RESISTANCE – GOOD INSULATION
insulation resistance test
56
Discovered the first incandescent light bulb
thomas edison
57
conductance unit
mhos or siemens
58
divides an electrical power feed into branch circuits
panel board details
59
Organic material that comes from plants and animals, and includes crops, waste wood, and trees to turn into electrical energy
biomass
60
current remains constant with time
direct current
61
what should be the wire size of 100 amps
#3
62
measures the total resistance between any two points separated by electrical insulation.
insulation resistance tester
63
the rotating part of dc motor that brings the mechanical rotations
rotor/armature
64
what type of element is generators, batteries, and operational amplifiers
active element
65
what sign is this
drop cord fixture
66
what should be the wire size of 150 amps
#1/0
67
Produced when the ancient remains of pressurized plants and animals is refined into petroleum and combusted in oil-fired power plants.
oil
68
Provides a simplified representation of how incoming power is distributed to the electrical system
single line diagram
69
The Voltmeter is a measuring instrument used to find the voltage levels around an electrical circuit when connected in ____ with the part of the circuit being measured
parallel
70
The rate at which work is done or energy is transformed into an electrical circuit, measured in Watts (W)
power
71
invented the first electric motor
nikola tesla
72
The power needed to transport a unit charge through an element is known as?
voltage
73
what should be the wire size of 200 amps
#3/0
74
What sign is this
recessed outlet fixture
75
It determines how effective the dielectric (insulation) in resisting the flow of electrical current.
insulation resistance tester
76
Invented the first battery. The unit of Voltage is named after him
alessandro volta
77
A ____ multimeter uses a numeric display to show the exact value of the measurement.
digital
78
where is wiring concealed in wall
2nd
79
det the 1st and 3rd sign
single and triplex receptacle outlet
80
.
ammeter
81
determine the type of lighting outlet
ceiling outlet fixture
82
reciprocal of resistance
conductance
83
what is the 3rd sign
three way switch
84
A chart w/ all the symbols used in an individual diagram
legend or symbol
85
measuring instrument used to find the voltage levels around an electrical circuit when connected in parallel with the part of the circuit being measured
voltmeter
86
what sign is this
fluorescent light
87
A machine that converts mechanical energy into electrical energy by using the principle of magnetic induction
electric generator
88
current that varies sinusoidally with time
alternating current
89
Electrical property of the atomic particles of matter, measured in Coulombs (C)
charge
90
German physicist who researched the relationship between voltage, current, and resistance that he proved that the amount of current that can flow through a substance depends on its resistance. This is known as Ohm’s Law.
georg ohm
91
what should be the wire size of 40 amps
#8
92
The voltage divided among the series resistors, are in direct proportion to their resistance.
voltage divider rule
93
.
voltmeter
94
When elements are chained together or connected in a straight line, they are said to be in
series resistor
95
what is the 1st sign
single pole switch
96
A type of technical drawing that delivers visual representation and describes circuits and electrical system
electrical plan
97
Where is Electrical Panel?
5th
98
A map base that shows the location of the application site in relation to surrounding roads, buildings, and other land
location and site plans
99
det the 2nd and 4th sign
duplex and quadruplex receptacle outlet
100
what should be the wire size of 55 amps
#6