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8-GALILEO QUIZ 2(3RD GRADING)ELECTRICITY

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Type of wires are the most popular choice for layouts that use pipes to contain wires.

a)

Single strand wires

b)

Non-Metallic sheathed wires

c)

Panel Feed wires

d)

Main Feeder wires

2.

Type of wires that connect the service weather head to the house.

a)

Single strand wires

b)

Non-Metallic sheathed wires

c)

Panel Feed wires

d)

Main Feeder wires

3.

Type of wires and cables are generally black insulate THHN wire. These are use to power the main junction box and the circuit

breaker panels.

a)

Single strand wires

b)

Non-Metallic sheathed wires

c)

Panel Feed wires

d)

Main Feeder wires

4.

Type of wires use in most homes and has 2-3 conductors, each with plastic insulation, and a bare ground wire. Since it’s relatively cheaper and available in ratings for 15, 20 and 20 amps, this type is preferred for in-house wiring.

a)

Single strand wires

b)

Non-Metallic sheathed wires

c)

Panel Feed wires

d)

Main Feeder wires

5.

Type of wires are usually use in single-phase service drop conductors, between the power pole and weather heads. They are compose of two insulated aluminum wires wrap with a third bare wire which is use as a common neutral.

a)

Single strand wires

b)

Non-Metallic sheathed wires

c)

Triplex wires

d)

Main Feeder wires

6.

It is the composition of one or more electrical cables and their corresponding connectors.

a)

Industrial wiring

b)

Durability

c)

Triplex wires

d)

cable assembly

7.

Type of wiring selected should conform to standard specifications, so that it is durable without being affected by the weather conditions, fumes etc.

a)

Industrial wiring

b)

Durability

c)

Triplex wires

d)

cable assembly

8.

Type of wiring done in domestic premises (houses), for providing electrical power for lighting, fans and domestic appliances with all the safety precautions.

a)

Industrial wiring

b)

Durability

c)

Domestic wiring

d)

cable assembly

9.

Type of electrical wiring normally uses a three-phase design. In three phase electrical systems, there are two smaller legs running 120 Volts.

a)

Industrial wiring

b)

Durability

c)

Domestic wiring

d)

Commercial wiring

10.

It is factors affecting the choice of wiring in which the Electrical wiring should give an aesthetic appeal to the interiors.

a)

Safety

b)

Durability

c)

Maintenance cost

d)

Appearance

11.

It is factors affecting the choice of wiring in which it must be protected against any mechanical damage.

a)

Safety

b)

Durability

c)

Maintenance cost

d)

Appearance

12.

It is factors affecting the choice of wiring in which the switches and plug points provided should be easily accessible. There must be provision for further extension of the wiring system, if necessary.

a)

Safety

b)

Durability

c)

Accessibility

d)

Appearance

13.

It is factors affecting the choice of wiring in which it must be provide safety against leakage, shock and fire hazards for the operating personnel.

a)

Safety

b)

Durability

c)

Accessibility

d)

Appearance

14.

It is a term generally refers to insulated conductor used to carry current and associated device. This article describes general aspects of electrical wiring as used to provide power in buildings and structures, commonly referred to as building wiring.

a)

Commercial wiring

b)

Industrial wiring

c)

Domestic wiring

d)

Electrical wiring

15.

It uses a three-phase design to create higher output to power high voltage equipment and multiple systems. Sensitive and power-hungry machinery often require special, heavy-duty outlets.

a)

Commercial wiring

b)

Industrial wiring

c)

Domestic wiring

d)

Electrical wiring