History of Ideal
HVAC 2
HVAC 3
HVAC 4
HVAC 5
100

Which Heating method is most commonly used as a heat source in cold climates?

Natural Gas

100

Speaking well of your employer to others is an example of what?

Loyalty

100

Refusing to cut corners on a job is an example of?

Honesty
100

What is the Purpose of the Condenser?

Transfers Heat from the refrigerant to the outdoors

100

Which device is used for energy conservation?

Heat Recovery Ventilator

200

Which device is used to maintain indoor Air Quality and control Bacteria growth?

Ultraviolet Light

200

If refrigerant is removed from a system and held in a storage tank for return to the same system, it is said to have been:  Reclaimed, Recycled, Recovered or Restored?

Recovered

200
A substance that is toxic is considered what?

Poisonous

200

Oxygen is never used to purge an HVAC system because?

An explosion could occur under certain conditions

200

A substance harmful to your health is said to be what?

Noxious

300

A Defrost cycle is required in what type of system?

Refrigeration Systems

300

Development and delivery of training programs is typically a function of who?

The Manufacturer

300

A leak in the vent pipe of a gas furnace is a concern because it can release what?

Carbon Monoxide

300

Engineering assistants are most likely to be employed by who?

Equipment Manufacturers 

300

A company that would respond to a service request for a chiller would most likely be?

Mechanical Contractor

400

How many classroom hours is required for instruction?

144

400

Local building codes are based on?

International Building Code

400

What is the 4 main elements of a mechanical refrigeration system?

Compressor, Evaporator, Condenser and Expansion Device

400

A Hydronic system circulates what?

Hot water

400

Phosgene gas can be produced when some refrigerants are exposed to what?

A Flame

500

What does the Expansion device in a mechanical refrigeration system do?

Slows the flow of refrigerant and provides a pressure drop.

500

An employee who works as a test technician most likely works for who?

Manufacturer

500

What is the purpose of the Evaporator in the Refrigeration Cycle?

Transfer Heat from the air to the Refrigerant

500

How many hours each year does a typical apprenticeship trainee spend in the OJL?

2,000

500

in order to reduce duct leakage, ducts should be sealed with?

Mastic

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