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EET1051 H-1 Safety and Measurement Instruments (12 h)

House Wiring: Chapters 1, 4, pages 4-23, 96-122
Multiple Choice

Identify the choice that best completes the statement or answers the question.
 

 1. 

The National Electrical Code is published by the __________.
a.
National Electrical Manufacturers Association
b.
National Fire Protection Association
c.
Occupational Safety and Health Administration
d.
Underwriters Laboratories
 

 2. 

Which of the following do NOT require GFCI protection?
a.
All 125V, 15- and 20-amp bathroom receptacles
b.
All 125V, 15- and 20-amp outdoor receptacles
c.
All 125V, 15- and 20-amp receptacles that serve kitchen countertops
d.
All 125V, 15- and 20-amp receptacles in living rooms
 

 3. 

Grounding and Bonding is covered in Article __________ of the National Electrical Code.
a.
210
b.
250
c.
110
d.
100
 

 4. 

The __________ wire of an electrical circuit is connected to the non-current-carrying metal parts of electrical equipment.
a.
bare
b.
black
c.
green
d.
white
e.
A and C only
 

 5. 

The Code of Federal Regulations is published and administered by __________.
a.
NFPA
b.
OSHA
c.
UL
d.
None of the above
 

 6. 

Worksite lock-out/tag-out procedures are established by __________.
a.
the company
b.
UL
c.
NFPA
d.
OSHA
 

 7. 

Fall protection must be used whenever workers are on a walking or work surface that is __________ feet or higher and has unprotected sides.
a.
4
b.
6
c.
8
d.
10
 

 8. 

When placing a straight or extension ladder against a wall, the bottom of the ladder should be placed about __________ of the vertical height from the wall.
a.
1/5
b.
1/4
c.
1/3
d.
1/2
 

 9. 

A straight or extension ladder should extend at least __________ above the top support when placed against a structure that is not as tall as the ladder.
a.
12"
b.
18"
c.
24"
d.
36"
 

 10. 

Which of the following items is considered to be Personal Protective Equipment (PPE)?
a.
safety glasses
b.
hard hat
c.
work boots
d.
all of the above
 

 11. 

An instrument used to measure values of resistance is called a(n) __________.
a.
ammeter
b.
ohmmeter
c.
voltmeter
d.
wattmeter
 

 12. 

A meter that uses a moving pointer or needle to indicate a value on a scale is called a(n) __________ meter.
a.
LCD
b.
analog
c.
digital
d.
parallax
 

 13. 

Which of the following test instruments must be used only when the circuit in not energized?
a.
Ammeter
b.
Ohmmeter
c.
Voltmeter
d.
Wattmeter
 

 14. 

One megohm is equal to __________ ohms.
a.
one hundred
b.
one thousand
c.
one million
d.
one billion
 

 15. 

__________ are load types where the load impedance is not constant.
a.
Harmonics
b.
Linear loads
c.
Non-linear loads
d.
True RMS
 

 16. 

__________ are frequencies that are multiples of the fundamental 60 Hertz frequency.
a.
Harmonics
b.
Linear loads
c.
Non-linear loads
d.
True RMS
 

 17. 

__________ meters provide accurate measurements of AC values in environments where the basic AC waveform is distorted.
a.
Harmonic
b.
Linear load
c.
Non-linear load
d.
True RMS
 

 18. 

Electrical power is measured in __________.
a.
amps
b.
ohms
c.
volts
d.
watts
 

 19. 

A voltmeter is used to measure __________.
a.
ammeter
b.
megohms
c.
continuity
d.
None of the above
 

 20. 

A Wiggy is an electrical trade name for a __________.
a.
solenoid type voltmeter
b.
solenoid type voltage tester
c.
solenoid type ammeter
d.
ohmmeter
 

 21. 

Kilowatt-hour meters are used to measure __________.
a.
electrical power
b.
electrical energy
c.
large amounts of voltage
d.
large amounts of amperage
 

 22. 

__________ are frequencies that are multiples of the standard 60 Hertz.
a.
LCD
b.
Harmonics
c.
RMS
d.
Auto-ranging
 

 23. 

A break in an electrical conductor or cable is called a(n) __________ circuit.
a.
linear
b.
non-linear
c.
open
d.
short
 

 24. 

A(n) __________ is used to determine the amount of resistance to the earth through a grounding electrode.
a.
multimeter
b.
ground resistance meter
c.
megger
d.
wiggy
 

 25. 

A(n) __________ can indicate that voltage is present on a circuit without actually being connected to the circuit.
a.
wiggy
b.
ohmmeter
c.
ground resistance tester
d.
non-contact voltage tester
 



 
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