Hvac 121-Unit 1 Safety Review
Questions/Test Questions And Answers
With Verified Solutions Rated A+
A heating and air-conditioning service technician usually requires _____ to
troubleshoot heating and air-conditioning systems. - ANSWER✔✔ voltage being
supplied to the equipment
A live electrical circuit is _____. - ANSWER✔✔ one that is being supplied with
energy
_____ is used to operate most fan motors in gas furnaces. - ANSWER✔✔ 120
volts
240 volts is usually used to operate _____. - ANSWER✔✔ compressors in
residential condensing units
Electrical shock occurs when a person _____. - ANSWER✔✔ becomes part of an
electrical circuit
When a technician touches a _____ it is the most dangerous, and likely to cause
serious injury. - ANSWER✔✔ live conductor with his right hand and touches a
ground with his left hand
The standard by which electrical installations are measured is the _____. -
ANSWER✔✔ National Electrical Code®
A current flow of 0.1 ampere or less _____. - ANSWER✔✔ could be fatal
A (n) _____ ladder is the type that should be used by a technician on the job. -
ANSWER✔✔ fiberglass
When dealing with a coworker receiving an electrical shock, _____. -
ANSWER✔✔ never touch the person receiving the shock
The electrical energy supplied to an electrical circuit is called _____. -
ANSWER✔✔ electromotive force
Questions/Test Questions And Answers
With Verified Solutions Rated A+
A heating and air-conditioning service technician usually requires _____ to
troubleshoot heating and air-conditioning systems. - ANSWER✔✔ voltage being
supplied to the equipment
A live electrical circuit is _____. - ANSWER✔✔ one that is being supplied with
energy
_____ is used to operate most fan motors in gas furnaces. - ANSWER✔✔ 120
volts
240 volts is usually used to operate _____. - ANSWER✔✔ compressors in
residential condensing units
Electrical shock occurs when a person _____. - ANSWER✔✔ becomes part of an
electrical circuit
When a technician touches a _____ it is the most dangerous, and likely to cause
serious injury. - ANSWER✔✔ live conductor with his right hand and touches a
ground with his left hand
The standard by which electrical installations are measured is the _____. -
ANSWER✔✔ National Electrical Code®
A current flow of 0.1 ampere or less _____. - ANSWER✔✔ could be fatal
A (n) _____ ladder is the type that should be used by a technician on the job. -
ANSWER✔✔ fiberglass
When dealing with a coworker receiving an electrical shock, _____. -
ANSWER✔✔ never touch the person receiving the shock
The electrical energy supplied to an electrical circuit is called _____. -
ANSWER✔✔ electromotive force
