ELECTRICITY

Question 1

Type name of Moisture and Heat Resistance cross linked with Thermosetting Polyethylene

Answer 1

XHHW

Question 2

Name of First electricity company in the Philippines

Answer 2

La Electricista

Question 3

_________ is the strength of an electric current in amperes

Answer 3

Amperage

Question 4

It is used where it is desired to control lamps from two different points, as in a stairwell

Answer 4

Three-way switches

Question 5

Voltage, Nominal. A nominal value assigned to a circuit or system for
the purpose of conveniently designating its voltage class (e.g.,120/240
volts, 480Y/277 volts, 600 volts). The actual voltage at which a circuit
operates can vary from the nominal within a range that permits
satisfactory operation of equipment.

Question 6

Identify which system’s provide power to selected loads not directly involved with life safety, such as, water and sewage treatment plants and industrial machines for manufacturing processes

Answer 6

Standy System

Question 7

What is the best material for high voltage installation ?

Answer 7

Ceramic

Question 8

Amperes is the measure of current. It is basically the movement of power per second. (True or false)

Answer 8

False, it represents the rate of flow of one coulumb (6.25x10^18) electrons per second through a given across section

Question 9

_____ lighting is a method of lighting where light fixtures attached anywhere on a continuous track device which contains electrical conductor.

Answer 9

Track lighting

Question 10

15 A and 20 A receptacles should be grounded. (True or false)

Answer 10

True

Question 11

Bathrooms.
In dwelling unit, at least one receptacle outlet should be installed in bathrooms within ____ mm of the outside edge of each basin. The receptacle outlet should be located on a wall or partition that is adjacent to the basin or basin countertop

Answer 11

900mm

Question 12

What year was the first Philippines tramway system introduced?

Answer 12

1903

Question 13

They are sometimes called rockers, dimmers, or throws. Depending on how they operate, but still they are just refer to the number of light switches on the plate

Answer 13

Gang

Question 14

What is the wiring device in which the utilization of equipment (appliance) cord is plugged into.

Answer 14

Receptacle

Question 15

The wattage in a circuit is anything that uses some of the power from cell. In a parallel circuit, the components are arranged in individual paths. (True or false)

Answer 15

False. It is in series circuit that are arranged in individual paths.

Question 16

Height of working space.
The work space should be clear and extend from grade, floor, or platform to the height required by Table 01.
Within this requirement, other equipment that is associated with the electric installation and is located above or below the electrical equipment shall be permitted to extend not more than ____ mm beyond the front of the electrical equipment.

Answer 16

150mm

Question 17

What is an electromechanical devices that senses heat?

Answer 17

Thermal pigtail

Question 18

With of working Space.
The width of the working space in front of the electric equipment shall be the width of the equipment or 750mm, whichever is greater. In all cases the work place shall pemit at least 90 degrees opening of equipment doors or hinged panels. (True or false)

Answer 18

True

Question 19

This determines the amount of electric current a wire can safely carry, as well as its electrical resistance and weight..

Answer 19

Wire diameter

Question 20

What is silver good at?

Answer 20

Best in electrical conductor, conductivity

Question 21

What is a point in an electrical system at which current is taken to supply utilization equipment.
It refers only in the box.

Answer 21

Outlet

Question 22

How many light customer was served by the first electric company?

Answer 22

3000

Question 23

Who is the entrepreneur who won the bidding for the first manila electric tramway?

Answer 23

Charles M. Swift

Question 24

What year was the first electric company started in PH?

Answer 24

1884

Question 25

What is a central storage batteries are mounted in individual racks and always provided with automatic charging equipment?

Answer 25

Battery Equipment

Question 26

What is glass good for?

Answer 26

Best Insulator, high resistivity

Question 27

What happen between the first electric company and first tramway system in 1919?

Answer 27

Merger, naging Manila electric Railroad and light Company (MERALCO)

Question 28

Transformers can also be used in isolation, where the voltage in greater than the voltage out, with separate coils not electrically bonded to one another. (True or false)

Answer 28

False

Question 29

Which system provides electric power and illumination essentially for life safety and protection of property during an emergency?

Answer 29

Emergency System

Question 30

High-power resistors can be dissipate many watts of electric power as heat, may be used as part of motor controls, in power distribution system, or as test loads or for panelboard. (True or false)

Answer 30

False

Question 31

Flexible metal conduit (FMC) is also called___

Answer 31

Greenfield

Question 32

Voltage, Nominal. A nominal value assigned to a circuit or system for the purpose of conveniently designating its voltage class (e.g.,120/240 volts, 480Y/277 volts, 600 volts). The actual voltage at which a circuit operates can vary from the nominal within a range that permits satisfactory operation of equipment. (True or false)

Answer 32

True

Question 33

Faraday's law of induction, discovered in 1831, describes the induced voltage effect in any coil due to a changing magnetic flux encircled by the coil. (True or false)

Answer 33

True

Question 34

What are devices for making, breaking, or changing conditions in an electrical circuit under the conditions of load which they are rated.

Answer 34

Switch

Question 35

What is a device consisting of an alloy link of wire with a low melting temperature which is inserted in the circuit, in such a way, that all current which passes through the circuit, must also pass through this metal?

Answer 35

Fuse

Question 36

In a series circuit, the amperage at any point in the circuit is the same (True or false)

Answer 36

True

Question 37

What are the primary mover in metals; however, other devices such as the cationic electrolyte(s) of a battery, or the mobile protons of the proton conductor of a fuel cell rely on positive charge carriers?

Answer 37

Electrons

Question 38

The voltage is indirectly proportional to the number of windings or turns (True of false)

Answer 38

False

Question 39

Identity the trade name of TW

Answer 39

Moisture Resistant Thermoplastic

Question 40

.What is an over current protective device that will provide ground fault protection as well as function as an ordinary circuit breaker? (in full words)

Answer 40

Ground fault Circuit Interrupter

Question 41

The service panel will contain a "main" fuse or circuit breaker, which controls all of the electric current entering the building at once, and a number of smaller (True or false)

Answer 41

True

Question 42

The lower the gauge number, the thicker the wire. (True or false)

Answer 42

True

Question 43

What is popularly known as “panel” or “electrical panel”, it is simply the box wherein the protective devises are housed from which the circuits and bus bars terminate?

Answer 43

Panelboard

Question 44

Countertops. In kitchens and dining rooms of dwelling units, a receptacle outlet shall be installed at each wall counter space that is 500 mm or wider. (True or false)

Answer 44

False, 300mm