What in the?
HVAC does what ?
It works how ?
WOW!
Wait, why?
100

Tech A says, A TXV is not TXV-ing(adjusting flow). It will affect both high and low sides.

Tech B says, A TXV is not TXV-ing(adjusting flow) the customer concern will be poor A/C performance. 

What is both are correct?

100

What is the job of the condenser

What is Change liquid to vapor. 

100

How many fans can some vehicles have equipped

What is 1 or 2 ?

100

Tech A says Condensers don't have to be cleaned of debris.

Tech B says Consensers are found in the low side of the system. 

 What is Both are wrong. 

100

The___ controls the ground side of the compressor clutch?

What is the Pressure-Cycling switch 

200

Tech A says, That a visual inspections involves checking for metalic dust on the pulley.

Tech B says, When doing a visual. Inspect the wiring for chaffing and other types of damage

What is both are correct.

200

How is the clutch controlled in a switched controlled system.

What is the Pressure Cycling Switch.
200

R-134a contains Cholrine

What is False?

200

Tech A says Evaporators that are cloged and cannot be flushed. You don't have to replace it.

Tech B says Refrigerant has to absorb heat in order to change from a Liquid to a Vapor?

What is Both are wrong.

200

Tech A says, It's ok to replace the clutch if the compressor is fine.

Tech B says, you need a special tool called a spanner wrench to remove the clutch.

Who is both?

300

After installing the evaporator. You HAVE TO ALIGN the Upper half of the plenum to the ____?

What is the Lower Half of the Plenum?

300

What does mold smell like?

What is Mold ?
300

R-12 is sold in a soild white container?

What is True?

300

To diagnose a TXV. You should measure the Inlet and Outlet of the Evaporator.

What is True?

300

Where is the H-Valve located?

Where is on the inlet and outlet of the Evaporator?

400

A Clamping Diode allows voltage spikes to go back to the Hvac module?

What is False? 

400

What side or sides are Pressure Cycling Switch found ?

What is the low Side?
400

F.O.T.s can have a remote sensing bulb. 

What is False?

400

What is the name of the tool used to correct Condenser Fin damage

 What is a Fin Tool. 
400
When should you replace the Evaporator?

When it is full of debris?

500

A/c uses a mechanical or electrical fan to remove heat from the condenser?

What is true? 

500

Some compressors require the use of a clutch hub installer to adjust the air gaps between the compressor clutch hub and the compressor____?

What is the pulley?

500

What Principal does the electronic Compressor Clutch use to engage the compressor?

What is Electro-magnetism? 

500

The T.X.V.s remote sensing bulb has to make good contact with the Outlet of the Evaporator. 

What is True.

500

How many OHMS is a good Field coil resistance

What is 3.5-5ohms?