Abbreviation
Electrical
Basic knowledge
Furnace/AC
Tools
100

What does Hvac stand for?

Heating Ventilation and Air Conditioning  

100

What color is the ground wire?

Green/bare copper

100

what does BTU stand for?

British Thermal Units

100

How often should you clean your ac unit?

once a month or once a year

100

whats a screw driver?

something you use to loosen and tighten screws with 
200

what does PPE stand for?

Personal Protective Equipment 

200

what is the symbol for resistance.

Ω

200

How old is Mr.Williams 

27

200

What is a heat exchanger?

transfers thermal energy heat between two or more fluids liquids or gases without mixing them

200

whats do you use a tape measure for?

to measure things 

300

What does DMM stand for

Digital Multi Meter 

300

What is the symbol for Voltage?

E/V

300

What's a start relay?

It gives the unit a jolt to start it 

300

What are 3 safeties in a gas furnace? 

limit switch, flame roll-out switch, and flame sensor

300

What is the difference between a drill and an impact?

impact has more torque then a drill

400

what does CFM stand for?

Cubic Feet per MIN 

400

What is the symbol for Amperage?

A

400

What is a good conductor?

Things that have a very few amount of electrons in the outer orbit 

400

What does a transformer do?

steps the volts up and down

400

what do you use a Level for?

to make sure things are level

500

whats ECM stand for?

Electronically Commutated Motor 

500

What color is the load wire?

red/black

500

What is a run relay?

Allows amps to run through to keep the unit running.

500

What's the difference between hermetic and semi hermetic?

hermetic is sealed 

semi-hermetic is partially open 

500

whats the difference between a hammer and a ball-peen hammer?

ball-peen has a peen at the end 

Hammer has a claw to remove nails

M
e
n
u