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Elec Tech 2 Make-up quiz

Total questions: 57

Worksheet time: 30mins

Name
Class
Date
1.

How does Chapter 2 of the NEC apply to electrical installations in a new commercial building that Jackson, Aiden, and William are working on?

a)

Applicable as referenced.

b)

Informational only; not mandatory.

c)

Generally to all electrical installations.

d)

Supplements or modifies Chapter 1 through 4.

2.

The constitution of Utopia is divided into how many Articles?

a)

8

b)

9

c)

10

d)

11

3.

During a study group, Charlotte mentioned that Chapter 2 of the NEC consists of ___ articles covering ____________ and ___ articles covering ______________. David was curious about the correct distribution. Can you help them?

a)

4/wiring and 5/protection

b)

6/wiring and 3/protection

c)

5/wiring and 4/protection

d)

7/wiring and 2/protection

4.

Zoe is planning to install an outside branch circuit to serve a newly built detached garage. Which ARTICLE and PART of NEC CHAPTER 2 should she refer to for guidance?

a)

Article 210, Part I

b)

Article 215, Part II

c)

Article 220, Part I

d)

Article 225, Part II

5.

While renovating their home, Kai and Ava are advised to ensure GFCI Protection for Personnel. This requirement is detailed in which SECTION of the NEC?

a)

210.6

b)

210.7

c)

210.8

d)

210.10

e)

210.12

6.

While reviewing the electrical safety standards for a school science project, Zoe found that Section 210.8 includes how many first-level subdivisions?

(a)  

7.

Article 230 contains how many PARTS?

a)

5

b)

6

c)

7

d)

8

8.

During a study group, David, Noah, and Mia are reviewing for their electrical engineering exam. They discuss the National Electrical Code and try to identify which of the following articles is NOT one of the "wiring" articles of Chapter 2.

a)

210

b)

215

c)

225

d)

230

e)

240

9.

During a school project on government policies, Avery, James, and Charlotte are tasked with identifying which of the following articles is NOT one of the "protection" articles of Chapter 2.

a)

230

b)

240

c)

250

d)

242

10.

During a practical class, Rohan was tasked to identify which PART of Article 250 contains the requirements for grounding electrode conductors. Which part is it?

a)

Part I

b)

Part II

c)

Part III

d)

Part IV

e)

Part V

11.

In a comprehensive manual on constitutional law that Liam, Charlotte, and Priya are studying, Article 240 is divided into how many PARTS?

(a)  

12.

In designing the electrical system for a new commercial building, Luna needs to ensure the correct placement of Surge Arresters. Which ARTICLE, PART, and SECTION should she refer to for guidance?

a)

Article 240, Part II, Section 240.21

b)

Article 242, Part II, Section 242.22

c)

Article 242, Part II, Section 242.12(B)

d)

Article 242, Part III, Section 242.46

13.

During a renovation project, Elijah is installing a new electrical system in a residential building. He wonders, are Surge Protective Devices required to be listed?

a)

YES

b)

NO

c)

Only if required by the AHJ

d)

For outdoor installations only.

14.

While setting up a new data center, Oliver referred to Table 250.3 to ensure compliance with grounding and bonding requirements for Information Technology Equipment. In which SECTION can he find additional grounding and bonding requirements specific to this equipment?

a)

460.10

b)

426.27

c)

645.15

d)

555.15

15.

All circuit conductors between the service equipment, the source of a separately derived system, or other power supply source and the final branch-circuit OCPD in James's new house are known as what?

a)

service conductors

b)

feeders

c)

branch circuits

d)

control circuit wiring

16.

NFPA states that you can start your electrical examination of the structural fire loss from the electrical panel

a)

True

b)

False

17.

During a storm, David noticed damage to an external component of his home's electrical system. Identify this component based on the description.

a)

Weather head

b)

power pole

c)

electrical panel

d)

electrical meter

18.

During a home inspection, Aria noticed a device mounted on the wall of the basement. This device is the

a)

electrical meter

b)

electrical panel

c)

riser

d)

circuit breaker

19.

During a home inspection, Emma noticed a malfunctioning component in her electrical system. Identify the component she needs to check first.

a)

electrical box

b)

circuit breaker

c)

meter

d)

riser

20.

If a circuit breaker in Jackson's house is tripped, you can confirm it is tripped by pushing the lever into the ON position and it will then return to the tripped position

a)

true

b)

False

21.

In Nora's new house, another name for electrical WIRING is conductors

a)

true

b)

false

22.

During a home renovation, Noah is installing a new circuit for the kitchen lights. What is the Amp rating of the circuit breaker he should use?

a)

10

b)

15

c)

20

d)

30

23.

During a physics lab, Isla and Michael observed a phenomenon between two electrodes. Identify this phenomenon.

a)

Spark

b)

Arc

24.

Identify the electrical phenomenon occurring when Harper demonstrates a physics experiment in class

a)

Spark

b)

Arc

25.

On this device, what is the BLACK arrow component called?

a)

Hot bus

b)

Cool Bus

c)

Negative bus

d)

Neutral Bus

26.

On this device, what is the BLACK arrow component's screws made of?

a)

silver

b)

brass

c)

copper

d)

nickle

27.

On this device, what is the WHITE arrow component indicating?

a)

Hot Bus

b)

Neutral Bus

c)

Party Bus

d)

white bus

28.

On this device, what is the GREEN Arrow component indicating?

a)

Neutral Bus

b)

Ground bus

c)

Hot Bus

d)

Party Bus

29.

During a routine inspection at Abigail's new apartment, the electrician noticed

a)

High Resistance heating at a connect point

b)

improper wiring used for outlet

c)

mixing of copper and aluminum components

d)

orange color conductors used for more visibility

30.

During a school science project, Jackson and Scarlett are tasked with designing a circuit that can increase the voltage for their experiment. They are considering several components to include in their design. Which device should they use?

a)

Step up transformer

b)

DPDT Relay

c)

Controller

d)

HOA switch

31.

In a smart home system, what device does David use to automatically control the lighting based on movement in the room?

a)

A competition

b)

A power controlling device

c)

An automatic switch

d)

A phase monitor

32.

Imagine Maya is designing the electrical system for a new building. She uses a diagram to represent the electrical circuitry. This diagram is known as:

a)

Instructions on how to safely use a ladder

b)

A description of power consumption

c)

A kind of power distribution

d)

A representation of electrical circuitry in a system

33.

During a cold winter day, Samuel is trying to figure out why his home heating system isn't working. He suspects the issue might be with a specific component. Which of the following is an example of a pilot duty control that could be causing the problem?

a)

The main breaker of an electrical panel

b)

A motor starter

c)

A low voltage thermostat

d)

A defrost timer

34.

What is a step down transformer used in a household appliance?

a)

A voltage converting device

b)

A safety device

c)

An operating control

d)

A power generator

35.

During a school science fair, Isla and Rohan are demonstrating the concept of electric motors. They explain what happens when an electric motor starts up. What does lock rotor current mean in this context?

a)

Problem cause by defective motor

b)

Maximum starting torque of an electric motor

c)

The relation between working current and theoretical current of a motor

d)

The current inrush pulled by a motor at start up

36.

Emma is installing a new washing machine in her home. What is the purpose of connecting the washing machine to a grounding circuit?

a)

Safety

b)

To lower the magnetic field emissions

c)

To reduce power consumption

d)

To improve efficiency

37.

What enables a flashlight to turn on when Liam flips the switch?

a)

Earth magnetic fields

b)

A switch

c)

Voltage potential differential across the batteries

d)

A transformer

38.

Imagine Daniel is working on a project that requires a stable power supply, where the flow of current must remain constant in one direction. What type of electricity should he use?

a)

Voltage

b)

AC

c)

Power

d)

DC

39.

When Luna tries to light up a bulb using a battery and wires, the force that opposes and reduces the flow of electrical current is known as ___

a)

Power

b)

Electromagnetism

c)

Resistance

d)

Frequency

40.

In Abigail's home, the device that converts electrical energy into light to illuminate her study room is _____

a)

Light Bulb

b)

Electric Circuit

c)

Power Station

d)

Switch

41.

In Charlotte's home, the device that includes batteries to supply electricity to all her gadgets is called ____

a)

Control

b)

Load

c)

Source

d)

Voltage

42.

Ava is working on a science project that involves lighting up a bulb using a battery and some wires. She notices that the brightness of the bulb changes when she adjusts the voltage of the battery and the resistance of the circuit. This observation is an example of a law that states current is directly proportional to voltage and inversely proportional to resistance, known as ____

a)

PEC

b)

Kirchoff's Law

c)

Law of Resistivity

d)

Ohm's Law

43.

Maya is working on a school project to build a simple electric circuit. To calculate the unknown voltage required to power a light bulb in her circuit, which formula should she use?

a)

E=IxR

b)

I=E/R

c)

E=I/R

d)

R=E/I

44.

Evelyn is setting up a new office and plans to install 40-watt fluorescent lamps. If the office's power supply is 220 volts, what amount of current would each lamp draw?

a)

5.5 amperes

b)

25.5 amperes

c)

0.18 amperes

d)

50.5 amperes

45.

When Kai was installing new lighting in his home, he realized there are several factors involved in electrical wiring installation but the foremost consideration is ____

a)

Cost

b)

Labor

c)

Safety

d)

Function

46.

When William is planning the electrical layout for his new coffee shop, he wonders about the standard number or diameter of wires needed for installing convenience outlets. What should it be?

a)

12

b)

14

c)

18

d)

10

47.

In renovating Benjamin's kitchen, to comply with the requirements of the Philippine Electrical Code, the appropriate fuse rating for the new lighting outlet should be ____

a)

15 A

b)

60 A

c)

30 A

d)

20 A

48.

Planning and designing of electrical wiring plan for Anika's new coffee shop is being done in order to:

a)

Provide efficient and effective wiring system of the building

b)

Maintain quality workmanship

c)

Avoid overloaded circuit

d)

Protect the circuit from high current

49.

Oliver is renovating his house and is adding new convenience outlets in his living room for general use. To ensure the safety of the electrical circuits, what is the ampacity rating of the breaker he should use for these outlets?

a)

20A

b)

15A

c)

30A

d)

60A

50.

Avery and Jackson are renovating their house and want to install an electrical component that allows them to control the lighting of their living room from both the entrance and the bedroom. This component is called:

a)

Four-way switch

b)

Push-button switch

c)

Three-way switch

d)

Remote controlled switch

51.

To conserve energy, what kind of lamp should be used in lighting fixtures ?

a)

Incandescent lamp

b)

Compact fluorescent lamp

c)

Mercury Lamp

d)

Neon Lamp

52.

The size of electrical wire recommended for installing lighting fixtures is :

a)

No. 12 AWG

b)

No. 18 AWG

c)

No. 10 AWG

d)

No. 14 AWG

53.

What is the voltage required by an automatic pressure cooker having a resistance of 20 ohms when the current flowing in 8 amperes?

a)

240 V

b)

120 V

c)

480 V

d)

160 V

54.

In a simple electrical connection, one of the lines of the source is connected to ____

a)

Terminal 1 of the load

b)

Terminal 2 of the load

c)

Terminal 1 of the switch

d)

Terminal 1 and 2 of the switch

55.

A series connected dry cells will result to _____

a)

increase in the amount of current

b)

increase in the amount of voltage

c)

increase total resistance

d)

more powerful supply of electricity

56.

What type of switch is used to control alternately three-phase line system using two sources of power?

a)

Double Pole Single Throw Switch

b)

Single Pole Double Throw

c)

Triple Pole Single Throw Switch

d)

Triple Pole Double Throw Switch

57.

Which of the following is the best conductor of electricity?

a)

Copper

b)

Silver

c)

Aluminum

d)

Gold