ELECTRICITY TEST 102 EXAM QUESTIONS AND ANSWERS
Materials that do not allow a current to pass through them are called:
Select one:
a. insulators
b. conductors
c. open circuits
d. closed circuits - CORRECT ANSWER✅✅✅a. insulators
A volt is a unit of electric:
Select one:
a. strength
b. pressure
c. frequency
d. resistance - CORRECT ANSWER✅✅✅b. pressure
All of the following terms are types of waveforms EXCEPT:
Select one:
a. round
b. triangular
c. saw-toothed
d. rectangular - CORRECT ANSWER✅✅✅a. round
Light, heat, chemical and magnetic changes are all produced by:
Select one:
a. force
b. electricity
c. conductors
d. a short circuit - CORRECT ANSWER✅✅✅b. electricity
,Jessica, a salon/spa owner wants her estheticians to each be able to run their electrical equipment
independently or have several loads running at one time. Which type of wiring should be installed in her
salon/spa?
Select one:
a. open
b. series
c. parallel
d. polarized - CORRECT ANSWER✅✅✅c. parallel
Most of the electricity you use daily consists of a flow of tiny, negatively charged particles called:
Select one:
a. atoms
b. protons
c. neutrons
d. electrons - CORRECT ANSWER✅✅✅d. electrons
Which of the following steps would be performed first when using a fire extinguisher?
Select one:
a. pull pin on the handle
b. squeeze handle to begin flow of chemical
c. spray chemical discharge back and forth over fire
d. aim hose at base of fire from at least six feet away - CORRECT ANSWER✅✅✅a. pull pin on the
handle
Which of the following materials is considered a conductor?
Select one:
a. silk
b. rubber
c. distilled water
, d. water-containing ions - CORRECT ANSWER✅✅✅d. water-containing ions
How many milliamperes equal one ampere?
Select one:
a. 10
b. 100
c. 1000
d. 10000 - CORRECT ANSWER✅✅✅c. 1000
Which of the following actions should NOT be taken if a fire results from an overload of an electric
circuit?
Select one:
a. put water on it
b. turn off the circuit
c. use a fire extinguisher
d. smother it with a rug or heavy towel - CORRECT ANSWER✅✅✅a. put water on it
To avoid the possibility of overloads and short circuits, safety devices are installed in appliances and
buildings. Two of these devices are fuses and:
Select one:
a. insulators
b. open circuits
c. circuit breakers
d. grounding wires - CORRECT ANSWER✅✅✅c. circuit breakers
All of the following statements are true about 240-volt current EXCEPT:
Select one:
a. higher cost to install
b. powers large motors
Materials that do not allow a current to pass through them are called:
Select one:
a. insulators
b. conductors
c. open circuits
d. closed circuits - CORRECT ANSWER✅✅✅a. insulators
A volt is a unit of electric:
Select one:
a. strength
b. pressure
c. frequency
d. resistance - CORRECT ANSWER✅✅✅b. pressure
All of the following terms are types of waveforms EXCEPT:
Select one:
a. round
b. triangular
c. saw-toothed
d. rectangular - CORRECT ANSWER✅✅✅a. round
Light, heat, chemical and magnetic changes are all produced by:
Select one:
a. force
b. electricity
c. conductors
d. a short circuit - CORRECT ANSWER✅✅✅b. electricity
,Jessica, a salon/spa owner wants her estheticians to each be able to run their electrical equipment
independently or have several loads running at one time. Which type of wiring should be installed in her
salon/spa?
Select one:
a. open
b. series
c. parallel
d. polarized - CORRECT ANSWER✅✅✅c. parallel
Most of the electricity you use daily consists of a flow of tiny, negatively charged particles called:
Select one:
a. atoms
b. protons
c. neutrons
d. electrons - CORRECT ANSWER✅✅✅d. electrons
Which of the following steps would be performed first when using a fire extinguisher?
Select one:
a. pull pin on the handle
b. squeeze handle to begin flow of chemical
c. spray chemical discharge back and forth over fire
d. aim hose at base of fire from at least six feet away - CORRECT ANSWER✅✅✅a. pull pin on the
handle
Which of the following materials is considered a conductor?
Select one:
a. silk
b. rubber
c. distilled water
, d. water-containing ions - CORRECT ANSWER✅✅✅d. water-containing ions
How many milliamperes equal one ampere?
Select one:
a. 10
b. 100
c. 1000
d. 10000 - CORRECT ANSWER✅✅✅c. 1000
Which of the following actions should NOT be taken if a fire results from an overload of an electric
circuit?
Select one:
a. put water on it
b. turn off the circuit
c. use a fire extinguisher
d. smother it with a rug or heavy towel - CORRECT ANSWER✅✅✅a. put water on it
To avoid the possibility of overloads and short circuits, safety devices are installed in appliances and
buildings. Two of these devices are fuses and:
Select one:
a. insulators
b. open circuits
c. circuit breakers
d. grounding wires - CORRECT ANSWER✅✅✅c. circuit breakers
All of the following statements are true about 240-volt current EXCEPT:
Select one:
a. higher cost to install
b. powers large motors
