Electricity Test 102.4-102.5

If an electrical fire occurs in the salon/spa, use water to extinguish it. Select one: True False

False

Rubbing the palms of your hands together to warm them is an example of a mechanical effect. Select one: True False

False

Esthetics electrotherapy devices improve the skin's appearance by stimulation, product application enhancement and deep cleansing. Select one: True False

True

Walking across a carpet in a cold, dry environment, then touching a metal object and getting a small shock is known as static electricity. Select one: True False

True

Which light source is close to being adopted as the mainstream light source? Select one: a. LED b. ultraviolet c. fluorescent d. incandescent

a. LED

Collagen and elastin fibers in the skin can be destroyed by what type of UV light? Select one: a. UVA b. UVB c. UVC d. UVD

a. UVA

Galvanic, faradic and pulsed DC fall under what type of current? Select one: a. direct b. alternating c. sinusoidal d. high frequency

a. direct

During infrared facial treatments, always cover and protect the client's: Select one: a. eyes b. skin c. hair d. face

a. eyes

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

a. insulators

When too many appliances are put on one circuit and are operated at the same time, more current flows than the line is designed to carry. This is known as: Select one: a. overload b. waveform c. open circuit d. direct current

a. overload

What sides of the poles is Caitlyn holding if two magnets are attracted to each other? Select one: a. positive and negative b. negative and negative c. positive and positive d. neutral and neutral

a. positive and negative

How should cords be disconnected safely from an outlet? Select one: a. pull on plug b. pull on cord c. pull on prong d. pull on outlet

a. pull on plug

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

a. pull pin on the handle

The length of time that current is flowing is known as: Select one: a. pulse b. timing c. frequency d. waveform

a. pulse

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

a. put water on it

All of the following terms are types of waveforms EXCEPT: Select one: a. round b. triangular c. saw-toothed d. rectangular

a. round

A mechanical effect can be achieved by all of the following devices EXCEPT: Select one: a. steamer b. brush machine c. microdermabrasion d. vacuum spray machine

a. steamer

An amp is a unit of electric: Select one: a. strength b. pressure c. frequency d. resistance

a. strength

Which type of light can be broken into its individual wavelengths by a prism? Select one: a. white b. infrared c. ultraviolet d. intense-pulsed light

a. white

What are the initials used to help you remember fire extinguisher use? Select one: a. APSS b. PASS c. SSPA d. SAPS

b. PASS

Light, heat, chemical and magnetic changes are all produced by: Select one: a. force b. electricity c. conductors d. a short circuit

b. electricity

The use of electricity for therapeutic purposes is called: Select one: a. light therapy b. electrotherapy c. chemical therapy d. mechanical therapy

b. electrotherapy

Volts and frequency needed and watts the appliance consumes are indicated on the: Select one: a. conductor b. nameplate c. circuit breaker d. grounding wire

b. nameplate

A unit of electric resistance is called a(n): Select one: a. volt b. ohm c. watt d. insulator

b. ohm

A volt is a unit of electric: Select one: a. strength b. pressure c. frequency d. resistance

b. pressure

The portion of the electromagnetic spectrum humans can see is known as: Select one: a. white light b. visible light c. invisible light d. combination light

b. visible light

A measure of how much electrical energy is being used is known as a: Select one: a. volt b. watt c. load d. conductor

b. watt

How many milliamperes equal one ampere? Select one: a. 10 b. 100 c. 1000 d. 10000

c. 1000

What type of outlet is recommended for installation in any area where water and electricity could come into contact? Select one: a. CFGI b. FGCI c. GFCI d. IFGC

c. GFCI

Two common sources of electric current are generators and: Select one: a. watts b. loads c. batteries d. frequencies

c. batteries

All of the following factors contribute to UV exposure EXCEPT? Select one: a. altitude b. latitude c. body mass d. time of day

c. body mass

Why is it dangerous to use any electrical cord with a break in it? Select one: a. it will explode b. may break a circuit c. can cause electrical shock d. could cut off power to the barbershop

c. can cause electrical shock

hy is it dangerous to use any electrical cord with a break in it? Select one: a. it will explode b. may break a circuit c. can cause electrical shock d. could cut off power to the barbershop

c. can cause electrical shock

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

c. circuit breakers

When a facial steamer is on and steam begins to flow, you have an example of a(n): Select one: a. open circuit b. series wiring c. closed circuit d. parallel wiring

c. closed circuit

Electric current moves along a path called a(n): Select one: a. volt b. watt c. conductor d. insulator

c. conductor

A current in which electrons move at an even rate and flow in only one direction is called: Select one: a. overload b. short circuit c. direct current d. alternating current

c. direct current

A waveform is the visual representation of the output current that varies in time, strength and: Select one: a. length b. polarity c. direction d. variation

c. direction

The effect that is created when an electric current travels through a solid electrode and liquid conductor in order to produce stimulating or calming effects is called: Select one: a. heating b. magnetic c. electrochemical d. mechanical effect

c. electrochemical

Depending on its design, which type of light can create blue or cool tones? Select one: a. sunlight b. invisible c. fluorescent d. incandescent

c. fluorescent

Which of the following descriptions is a benefit of using infrared light during a facial? Select one: a. kills bacteria b. produces vitamin D c. increases circulation d. helps control dandruff

c. increases circulation

Which of the following statements is true about fluorescent lighting? Select one: a. is provided by an incandescent light bulb b. creates more heat than incandescent lighting c. is an economical and long-lasting light source d. can be used in tanning booths to produce a tan

c. is an economical and long-lasting light source

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

c. parallel

All of the following statements are true about 240-volt current EXCEPT: Select one: a. higher cost to install b. powers large motors c. powers small appliances d. requires much thicker cord

c. powers small appliances

The thermal breakdown of the skin caused by intense heat is called: Select one: a. melting b. psoriasis c. pyrolysis d. vaporizing

c. pyrolysis

Incandescent light normally produces what color tones in the objects it lights? Select one: a. blue tones b. green tones c. redder tones d. yellow tones

c. redder tones

Dropping an electrical appliance into water, making it a foreign conductor, causes a(n): Select one: a. overload b. open circuit c. short circuit d. closed circuit

c. short circuit

What can occur anytime a foreign conductor comes in contact with a wire carrying current to an appliance? Select one: a. blackout b. open circuit c. short circuit d. closed circuit

c. short circuit

The minimum distance an infrared lamp must be placed from the client's face during a facial is: Select one: a. 10" b. 18" c. 24" d. 30"

d. 30"

How does a fuse act as an electricity safety measure? Select one: a. closes the circuit when it becomes open b. keeps electric current directed the right way c. pushes more current through than the line is designed to carry d. breaks the circuit, cutting the flow of electricity when an overload occurs

d. breaks the circuit, cutting the flow of electricity when an overload occurs

Which of the following items is a reusable safety device that breaks the flow of current when an overload occurs? Select one: a. fuse b. insulator c. grounding wire d. circuit breaker

d. circuit breaker

In the event of being trapped in asmoke-filled room or building, do all of the following actions EXCEPT: Select one: a. stay low to the ground b. check all doors for heat c. open the windows for air d. close the windows to trap the air

d. close the windows to trap the air

White light is referred to as: Select one: a. single light b. bright light c. infrared light d. combination light

d. combination light

Materials that best transport electricity are called: Select one: a. watts b. amps c. insulators d. conductors

d. conductors

Which of the following protocols helps prevent fires? Select one: a. open windows for air b. smother the fire with a rug c. put water on an electrical fire d. dispose of frayed orexposed wires

d. dispose of frayed overexposed wires

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

d. electrons

Which of the following materials doesn't allow current to pass through it? Select one: a. metal b. water c. carbon d. glass

d. glass

A salon/spa owner wants to balance the tones of light inside. Which type of light would likely be incorporated? Select one: a. infrared b. ultraviolet c. fluorescent d. incandescent

d. incandescent

Which of the following descriptions identifies a volt? Select one: a. number of electrons flowing on a line b. measure of how difficult it is to push electrons through a resistor c. measure of how difficult it is to push electrons through a conductor d. measure of how hard the electrons are being forced or pushed by a source

d. measure of how hard the electrons are being forced or pushed by a source

Fires in electrical circuits can occur if: Select one: a. the circuit is open b. there is a closed path, called a circuit c. the circuit breaker is manually turned to the off position d. too many appliances use the same wall socket and overload the circuit

d. too many appliances use the same wall socket and overload the circuit

Small doses of ultraviolet light may help the body produce: Select one: a. vitamin A b. vitamin B c. vitamin C d. vitamin D

d. vitamin D

Which of the following materials is considered a conductor? Select one: a. silk b. rubber c. distilled water d. water-containing ions

d. water-containing ions

Plastic, rubber or paper are examples of what type of materials? Select one: a. watt materials b. prism materials c. insulating materials d. conducting materials

insulating materials

Polarized outlets feature one vertical slot for the hot wire and a second, wider vertical slot for the: Select one: a. live wire b. circuit wire c. ground wire d. neutral wire

neutral wire

What device is used to adjust the flow of electrical current? Select one: a. inverter b. rheostat c. rectifier d. convertor

rheostat