Foundations Chapter 7: Electricity and Electrical Safety -- Book Flashcards
Study for Test
Which of the following is TRUE of electricity and the beauty and wellness industry?
a. Electricity use in the beauty industry is limited to clippers and most hair dryers.
b. Most of the equipment that beauty professionals deal with is very dangerous.
c. Most beauty professionals will not interact directly with electricity.
d. Advanced electrical machines require an understanding of electrical theory.
d. Advanced electrical machines require an understanding of electrical theory.
How many of the services that beauty professionals offer their clients are impacted by electricity?
a. Only a small handful of them
b. About half of them
c. Most of them
d. All of them
d. All of them
If you were opening a salon or spa, you would need to have a thorough understanding of electricity for all EXCEPT which of the following reasons?
a. You will rely on a variety of electrical devices, including lotion and oil heaters.
b. You will need to be able to properly care for a variety of electrical devices.
c. You will rely on lighting and air temperature controls for the comfort of your clients.
d. You will need to be able to quickly repair electrical devices when they malfunction.
d. You will need to be able to quickly repair electrical devices when they malfunction.
Electricity exhibits __________ effects.
a. magnetic and thermal
b. magnetic
c. magnetic and chemical
d. magnetic, thermal, and chemical
d. magnetic, thermal, and chemical
Electricity __________.
a. does not occupy space, nor does it have mass
b. occupies space and has mass
c. occupies space, but has no mass
d. has mass, but occupies no space
a. does not occupy space, nor does it have mass
Copper is used in electrical wiring and electrical motors because _________.
a. it is a good insulator
b. it is a good conductor
c. it provides safeguards against electrocution
d. it is inexpensive
b. it is a good conductor
__________ is a good example of a conductor.
a. Glass
b. Tap water
c. Cement
d. Rubber
b. Tap water
__________ is a good example of an insulator.
a. Tap water
b. Wood
c. Steel
d. Copper
b. Wood
Direct current is BEST differentiated against alternating current by which of the following statements?
a. Direct current is the true form of electrical current, whereas alternating current is not.
b. Direct current flows in one direction, whereas alternating current flows back and forth.
c. Direct current flows back and forth, whereas alternating current flows in one direction.
d. Direct current is not truly an electrical current, whereas alternating current is.
b. Direct current flows in one direction, whereas alternating current flows back and forth.
Alternating current __________.
a. travels in only one direction
b. is most often found in batteries
c. is a rapid, interrupted current
d. is produced by chemical means
c. is a rapid, interrupted current
Electrical current is measured by __________.
a. amperes
b. watts
c. ohms
d. volts
c. ohms
Watts measure __________.
a. the pressure or force that pushes electrical current through a conductor
b. how much electrical energy is being used in one second
c. the strength of an electrical current
d. the resistance of an electrical current
b. how much electrical energy is being used in one second
Because you rely on a constant, even flow of electricity that is produced by chemical means for the wireless tools you use in you daily work, which of the following is BEST suited to you?
a. A direct current
b. An indirect current
c. An insulator
d. A nonconductor
a. A direct current
A wire that is not large enough to carry the electrical current passing through it will __________.
a. save energy
b. not power the device
c. overheat
d. electrocute the user
c. overheat
__________ is an example of an electrical safety device that you may encounter when working as a beauty and wellness professional in a salon or spa.
a. A circuit breaker
b. A conductor
c. An alternating current
d. An ampere
a. A circuit breaker
__________ is an electrical safety device that is designed to prevent excessive current from passing through a circuit by blowing out or melting when a wire becomes too hot from overloading the circuit with too much current.
a. A fuse
b. An ampere
c. A circuit breaker
d. A nonconductor
a. A fuse
Grounding is important because __________.
a. it prevents downed wires in storms
b. it protects against electrical shock
c. it turns direct current into alternating current
d. it turns conductors into nonconductors
b. it protects against electrical shock
What is the third circular electrical connection on a three-prong plug called?
a. A circuit breaker
b. A grounding pin
c. A fuse
d. A ground fault interrupter
b. A grounding pin
A GFI would MOST likely be required in a(n) __________.
a. basement
b. office building
c. bathroom
d. bedroom
c. bathroom