Which exams does a technician need to pass in order to obtain a universal certification?

• Core +Type II

• Type I + Type II + Type III

• Core + Type I + Type II +Type III

• Core + Type I

A technician with a Type III certification can repair what type of appliances?

• Small appliances such as window AC units

• High pressure appliances such as heat pumps

• Low pressure appliances such as chillers

Can you work under someone else's certification?

• NO

• YES

A technician with a Type II certification can repair what type of appliances?

• Small appliances such as window AC units

• Low pressure appliances such as chillers

• High pressure appliances such as heat pumps

ODP stands for Ozone Depletion Potential which measures a substance's ability to:

• Destroy ozone molecules in the stratosphere.

• Destroy chlorine monoxide in the atmosphere.

• Destroy chlorine atoms.

The ozone molecule is made up of:

• 3 oxygen atoms.

• 2 oxygen atoms.

• 4 oxygen atoms.

The purpose of the stratospheric ozone layer is to protect the earth from:

• Space debris.

• Asteroids.

• The sun's ultraviolet radiation.

True or False: Chlorine is the part of a refrigerant that causes ozone depletion.

• TRUE

• FALSE

When a chlorine atom takes 1 of an ozone molecule's oxygen atoms what compound is formed?

• Fluorine

• Carbon dioxide

• Hydrogen

• Chlorine monoxide

What type of refrigerant is R-12?

• CFC

• HFO

• HFC

• HCFC