WorksheetsNOCTI: Electrical Construction Technology #2
Total questions: 51
Worksheet time: 36mins
NFPA 70E calls for PPE selection based on incident energy and hazard/risk ____ level available at an arcing fault.
burn
decibel
category
duration
An electrician has a severe cut on his arm and is bleeding profusely. The first action is...
apply direct pressure over the wound
call 911 immediately and wait for help to arrive
run under warm water
hold the injured area below the heart if possible
A lockout device positively prevents a machine from being....
When measuring an electrical circuit, current is measured in...
An appropriate use for a voltmeter is to...
measure difference of potential
measure current flow
determine total resistance
determine power output
A digital multimeter (DMM) will display continuity if the ...
meter reads 100 volts
meter reads 0 ohms or very low resistance
battery on the meter is dead
meter reads 100 amps
When reading blueprints, a compass rose indicates..
north on the drawing
proper elevation
location of the electrical panal
center line of the first floor
A house has 7 rooms which require 48 feet of 12-2 w/ground non-metallic cable. What is the minimum quantity of 100 foot rolls that need to be ordered?
On a blueprint scale of 1/8 inch = 1 foot, a 3-1/2 inch length represents ____ feet.
22 feet
24 feet
26 feet
28 feet
The term used to express frequency is ______.
Ohms
Which federal agency creates and enforces safety-related standards and regulations in the workplace?
HCS
OSHA
NOAA
HAZCOM
Which class of fire extinguisher should an employee use to put out an electrical fire?
Class A
Class B
Class C
A(n) ______ device provides a safe path for an electrical fault and has a 0-volt potential.
interrupted
energized
connected
grounded
A fire extinguisher labeled for use on Class A fires can also be used on Class C fires.
True
False
Electric shock can cause _______ .
involuntary muscle movement
internal and external burns
cardiac arrest
All of the above
You are an electrician working in a new building and you come across an installation that is not safe and is not acceptable under local electrical code. What should you do?
Call the building inspector.
Tell your supervisor after work.
Tell your supervisor immediately
Keep a close eye on it and continue your work.
Which of the following is NOT true about aiding a victim of electrical shock?
Shut off the power.
Call 911 and provide CPR until help arrives.
Use an insulator to remove the hazard if you can't shut off the power.
Quickly grasp the victim and drag them away from the hazard.
An electrician should use a ________ ladder when working around electrical wiring.
Aluminum
Wood
Fiberglass
Wood or Fiberglass
Match the Chapter/Article to in topic
NEC Article 100
Common definitions
Chapter 2
Wiring & Protection
NEC Article 200
Use & ID of grounded conductors
Chapter 3
Wiring Methods & Materials
NEC Article 300
General requirements wiring methods
Match the Chapter/Article to in topic
NEC Article 320-340
Cables of 1 or more conductors
NEC Article 342-356
Conduit wiring systems
Chapter 4
Equipment for General Use
Chapter 5
Special Occupancies
NEC Article 500
Special Occupancy Atmospheres
Match the Chapter/Article to in topic
Chapter 6
Special Equipment
Chapter 7
Special Conditions
Chapter 8
Communications Systems
Chapter 9
Tables
Annexes A-J
Info on material & examples (not require
Identify this tool.
slip joint pliers
channel lock pliers
diagonal cutters
lineman pliers
Identify this tool.
claw hammer
slip-joint pliers
Philips screwdriver
flathead screwdriver
Identify this tool.
Philips screwdriver
pliers
claw hammer
bolt
What is the name of this Electrical Tool?
Standard Flat Screw Driver
Philips Screw Driver
Allen Screw Driver
Plier
Which of the following is a Side/ Diagonal Cutting Plier?
Saw
Hacksaw
Screwdriver
Driller
Which of the following picture is the wire strippers?
Which of the following picture is the needle nose pliers?
In an AC circuit, if resistance remains the same and voltage is doubled, then current...
remains the same
What is the unit of measurement for resistance?
Voltage
Ampere
Watts
Ohms
In Figure PP1–1, if another resistor were added to the two 30 V resistors in parallel, the total resistance of the circuit would go ? .
Up
Down
Stay the same
Alternate
Calculate total circuit current.
1 A
2 A
3 A
4 A
Calculate total circuit power.
120 W
240 W
480 W
960 W
Using the information in Figure PP1–3, calculate the voltage drop between the source and the load.
10 V
14.7 V
18 V
22 V
In an AC circuit that contains only resistance, find the total current if the total voltage is 120 V and three 20 V resistors are in series.
1 A
2 A
3 A
4 A
What article in the National Electrical Code covers motors, motor branch-circuit, and feeder conductors and their protection?
Article 421
Article 930
Article 430
Article 429
Where would you find the definition of Askarel?
Chapter 1 General, Article 110, Requirements for Electrical Installations
Chapter 2 Wiring and Protection, Article 200.2 General
Harry Potter and the Chamber of Secrets
Chapter 1 General, Article 100 Definitions, Part 1 General
An article of the NEC that covers Conductors for General Wiring is found in
Chapter 2 Wiring and Protection
Chapter 3 Wiring Methods and Materials
Chapter 4 Equipment for General Use
Chapter 4 Equipment for General Use
What is the maximum volt drop allowed for lighting circuits?
5%
10%
3%
8%
How often is the NEC updated?
Every year
Every two years
Every three years
Every five years
What is the service entrance in the context of electrical power supply?
The point where the building's electrical wiring begins
The location where the power from the supplier enters the building
The main control room for the building's electricity
The area where the building's electricity is metered and billed
Which of the following statements is true regarding the AWG system?
A 12 AWG conductor is larger and carries more amperage than a 6 AWG conductor
A 6 AWG conductor is smaller and carries less amperage than a 12 AWG conductor
A 6 AWG conductor is much larger and carries more amperage than a 12 AWG conductor
A 6 AWG conductor and a 12 AWG conductor are the same size and carry the same amperage
What color is typically used for hot wires in AC circuits?
White
Green
Black
Blue
Which color indicates neutral wires in most AC circuits?
Red
Yellow
Green
White
What color are ground wires usually in AC circuits?
Black
Red
Green or bare
Blue
Which of the following are symbol for "Service Entrance"
Which among the following symbols are "Fuse"
