EE

100問 • 2年前

ユーザ名非公開

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問題一覧

sometimes called electrical drawing or wiring diagram

electrical plan

A type of technical drawing that delivers visual representation and describes circuits and electrical system

electrical plan

A map base that shows the location of the application site in relation to surrounding roads, buildings, and other land

location and site plans

It provide information and direction to the contractor by clarifying design details or construction practices

general notes and specifications

A chart w/ all the symbols used in an individual diagram

legend or symbol

determine the type of lighting outlet

ceiling outlet fixture

What sign is this

recessed outlet fixture

what sign is this

drop cord fixture

what sign is this

fluorescent light

det the 1st and 3rd sign

single and triplex receptacle outlet

det the 2nd and 4th sign

duplex and quadruplex receptacle outlet

det the 5th and 6th sign

special purpose single receptacle outlet and special duplex outlet

what is the 1st sign

single pole switch

what is the 2nd sign

double pole switch

what is the 3rd sign

three way switch

what is the 1st sign

telephone outlet

what is the 2nd sign

wall mounted data outlet

what is the 3rd sign

wall mounted data/telephone outlet

Where is Electrical Panel?

5th

where is branch circuit

1st

where is exposed wiring

4th

where is wiring concealed in wall

2nd

where is wiring concealed in floor

3rd

Design of the ideal lighting and power outlets to your plan

electrical layout

A summary of data to easily identify and facilitate necessary values and equipment rating to be used in any electrical installation

load schedule

divides an electrical power feed into branch circuits

panel board details

Provides a simplified representation of how incoming power is distributed to the electrical system

single line diagram

what should be the wire size of 15 amps

#14

what should be the wire size of 20 amps

#12

what should be the wire size of 30 amps

#10

what should be the wire size of 40 amps

what should be the wire size of 55 amps

what should be the wire size of 100 amps

what should be the wire size of 150 amps

#1/0

what should be the wire size of 200 amps

#3/0

determine the type of lighting outlet

ceiling outlet fixture

Scottish inventor who made improvements to the steam engine.

James Watt

His name was used to describe the electrical unit of power

james watt

Invented the first battery. The unit of Voltage is named after him

alessandro volta

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

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

British physicist who first discover that moving a magnet near a coil of copper wire produced an electric current

michael faraday

Discovered the first incandescent light bulb

thomas edison

invented the first electric motor

nikola tesla

Electrical property of the atomic particles of matter, measured in Coulombs (C)

charge

How many electron in 1 coloumb of charge

6.24x10^18

It is the rate of flow of charges, measured in Amperes (A) or Coulomb/Sec (C/s)

current

current remains constant with time

direct current

current that varies sinusoidally with time

alternating current

The power needed to transport a unit charge through an element is known as?

voltage

It is the ability to resist the flow of electric current; it is measured in Ohms (Ω)

resistance

The rate at which work is done or energy is transformed into an electrical circuit, measured in Watts (W)

power

• It is the ability of an element to conduct electric current;

conductance

conductance unit

mhos or siemens

reciprocal of resistance

conductance

building blocks of a circuit

circuit elements

elements that are not capable of generating energy

passive element

elements that are capable of generating energy

active element

what type of element is resistor, capacitor,inductor?

passive element

what type of element is generators, batteries, and operational amplifiers

active element

States that the voltage across a resistor is directly proportional to the current flowing through the resistor

ohms law

When elements are chained together or connected in a straight line, they are said to be in

series resistor

If two or more components are connected end to end

series resistor

The voltage divided among the series resistors, are in direct proportion to their resistance.

voltage divider rule

resistor that are connected to the same two nodes.

parallel

The total current is shared by the resistors in inverse proportion to their resistances.

current divider rule

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

ammeter

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

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

Used to measure resistance directly on meter.

ohmmeter

Used only when unit is disconnected from its original circuit.

ohmmeter

can be used also as a continuity tester

ohmmeter

a test tool used to measure two or more electrical values—principally voltage (volts), current (amps) and resistance (ohms).

multimeter

multimeter that uses a needle that moves along a scale to indicate the value of the measurement.

analog

A ____ multimeter uses a numeric display to show the exact value of the measurement.

digital

measures the total resistance between any two points separated by electrical insulation.

insulation resistance tester

It determines how effective the dielectric (insulation) in resisting the flow of electrical current.

insulation resistance tester

another name for IR test?

megger test

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

The meter which is used for measuring the energy utilizes by the electric load

energy meter

HIGH RESISTANCE – GOOD INSULATION

insulation resistance test

LOW RESISTANCE – GOOD GROUNDING

ground resistance meter

Rate at which a device changes electric current to another form of energy. Measured in Watts (W)

power

Capacitytodowork.MeasuredinJoules(J)

energy

a machine that converts electric energy into mechanical energy

electric motor

the static part of dc motor that houses the field windings and receives the supply

stator

the rotating part of dc motor that brings the mechanical rotations

rotor/armature

The field windings are connected in series with the armature coil

series dc motor

The field windings are connected in parallel with the armature coil

shunt dc motor

A machine that converts mechanical energy into electrical energy by using the principle of magnetic induction

electric generator

Energy from the sun that is converted into thermal or electrical energy.

solar energy

The use of wind to provide mechanical power through wind turbines to turn electric generators for electrical power

wind energy

Form of energy that harnesses the power of water in motion such as water flowing over a waterfall to generate electricity

hydropower

Type of energy that harnesses the heat within the earth to power steam turbines to turn electric generators for electrical power

geothermal

Organic material that comes from plants and animals, and includes crops, waste wood, and trees to turn into electrical energy

biomass

100

Produced when the ancient remains of pressurized plants and animals is refined into petroleum and combusted in oil-fired power plants.

oil

EE part 2

EE part 2

conversion ee

conversion ee

formulas ee

formulas ee

strema (definitions)

strema (definitions)

H n RR

H n RR

cmat

cmat

問題一覧

sometimes called electrical drawing or wiring diagram

electrical plan

A type of technical drawing that delivers visual representation and describes circuits and electrical system

electrical plan

A map base that shows the location of the application site in relation to surrounding roads, buildings, and other land

location and site plans

It provide information and direction to the contractor by clarifying design details or construction practices

general notes and specifications

A chart w/ all the symbols used in an individual diagram

legend or symbol

determine the type of lighting outlet

ceiling outlet fixture

What sign is this

recessed outlet fixture

what sign is this

drop cord fixture

what sign is this

fluorescent light

det the 1st and 3rd sign

single and triplex receptacle outlet

det the 2nd and 4th sign

duplex and quadruplex receptacle outlet

det the 5th and 6th sign

special purpose single receptacle outlet and special duplex outlet

what is the 1st sign

single pole switch

what is the 2nd sign

double pole switch

what is the 3rd sign

three way switch

what is the 1st sign

telephone outlet

what is the 2nd sign

wall mounted data outlet

what is the 3rd sign

wall mounted data/telephone outlet

Where is Electrical Panel?

5th

where is branch circuit

1st

where is exposed wiring

4th

where is wiring concealed in wall

2nd

where is wiring concealed in floor

3rd

Design of the ideal lighting and power outlets to your plan

electrical layout

A summary of data to easily identify and facilitate necessary values and equipment rating to be used in any electrical installation

load schedule

divides an electrical power feed into branch circuits

panel board details

Provides a simplified representation of how incoming power is distributed to the electrical system

single line diagram

what should be the wire size of 15 amps

#14

what should be the wire size of 20 amps

#12

what should be the wire size of 30 amps

#10

what should be the wire size of 40 amps

what should be the wire size of 55 amps

what should be the wire size of 100 amps

what should be the wire size of 150 amps

#1/0

what should be the wire size of 200 amps

#3/0

determine the type of lighting outlet

ceiling outlet fixture

Scottish inventor who made improvements to the steam engine.

James Watt

His name was used to describe the electrical unit of power

james watt

Invented the first battery. The unit of Voltage is named after him

alessandro volta

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

georg ohm

British physicist who first discover that moving a magnet near a coil of copper wire produced an electric current

michael faraday

Discovered the first incandescent light bulb

thomas edison

invented the first electric motor

nikola tesla

Electrical property of the atomic particles of matter, measured in Coulombs (C)

charge

How many electron in 1 coloumb of charge

6.24x10^18

It is the rate of flow of charges, measured in Amperes (A) or Coulomb/Sec (C/s)

current

current remains constant with time

direct current

current that varies sinusoidally with time

alternating current

The power needed to transport a unit charge through an element is known as?

voltage

It is the ability to resist the flow of electric current; it is measured in Ohms (Ω)

resistance

The rate at which work is done or energy is transformed into an electrical circuit, measured in Watts (W)

power

• It is the ability of an element to conduct electric current;

conductance

conductance unit

mhos or siemens

reciprocal of resistance

conductance

building blocks of a circuit

circuit elements

elements that are not capable of generating energy

passive element

elements that are capable of generating energy

active element

what type of element is resistor, capacitor,inductor?

passive element

what type of element is generators, batteries, and operational amplifiers

active element

States that the voltage across a resistor is directly proportional to the current flowing through the resistor

ohms law

When elements are chained together or connected in a straight line, they are said to be in

series resistor

If two or more components are connected end to end

series resistor

The voltage divided among the series resistors, are in direct proportion to their resistance.

voltage divider rule

resistor that are connected to the same two nodes.

parallel

The total current is shared by the resistors in inverse proportion to their resistances.

current divider rule

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

ammeter

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

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

Used to measure resistance directly on meter.

ohmmeter

Used only when unit is disconnected from its original circuit.

ohmmeter

can be used also as a continuity tester

ohmmeter

a test tool used to measure two or more electrical values—principally voltage (volts), current (amps) and resistance (ohms).

multimeter

multimeter that uses a needle that moves along a scale to indicate the value of the measurement.

analog

A ____ multimeter uses a numeric display to show the exact value of the measurement.

digital

measures the total resistance between any two points separated by electrical insulation.

insulation resistance tester

It determines how effective the dielectric (insulation) in resisting the flow of electrical current.

insulation resistance tester

another name for IR test?

megger test

ground resistance meters

The meter which is used for measuring the energy utilizes by the electric load

energy meter

HIGH RESISTANCE – GOOD INSULATION

insulation resistance test

LOW RESISTANCE – GOOD GROUNDING

ground resistance meter

Rate at which a device changes electric current to another form of energy. Measured in Watts (W)

power

Capacitytodowork.MeasuredinJoules(J)

energy

a machine that converts electric energy into mechanical energy

electric motor

the static part of dc motor that houses the field windings and receives the supply

stator

the rotating part of dc motor that brings the mechanical rotations

rotor/armature

The field windings are connected in series with the armature coil

series dc motor

The field windings are connected in parallel with the armature coil

shunt dc motor

A machine that converts mechanical energy into electrical energy by using the principle of magnetic induction

electric generator

Energy from the sun that is converted into thermal or electrical energy.

solar energy

The use of wind to provide mechanical power through wind turbines to turn electric generators for electrical power

wind energy

Form of energy that harnesses the power of water in motion such as water flowing over a waterfall to generate electricity

hydropower

Type of energy that harnesses the heat within the earth to power steam turbines to turn electric generators for electrical power

geothermal

Organic material that comes from plants and animals, and includes crops, waste wood, and trees to turn into electrical energy

biomass

100

Produced when the ancient remains of pressurized plants and animals is refined into petroleum and combusted in oil-fired power plants.

oil