Other Skilled Trades Sheet Metal and HVAC

Question 1

What does HVAC stand for?

Accepted Answer

Heating, Ventilation, and Air Conditioning

Answer

High Voltage Air Control

Answer

Heated Ventilation and Coolant

Answer

Home Ventilation and Cooling

Question 2

What is the standard unit used to express the cooling capacity of an air conditioner in the US?

Accepted Answer

BTU per hour (BTU/h)

Answer

Watts

Answer

Horsepower

Answer

Therms

Question 3

What type of duct system uses rectangular or square ducts fabricated from sheet metal?

Accepted Answer

Rectangular duct (flat oval) system

Answer

Flexible duct system

Answer

Round spiral duct system

Answer

Fabric duct system

Question 4

What does SEER stand for in reference to air conditioning efficiency?

Accepted Answer

Seasonal Energy Efficiency Ratio

Answer

Standard Energy Efficiency Ratio

Answer

System Energy Exchange Rate

Answer

Steady Energy Efficiency Rating

Question 5

What is the purpose of a manual J load calculation in HVAC design?

Accepted Answer

To determine the correct heating and cooling equipment size for a building

Answer

To size the ductwork for a system

Answer

To calculate the refrigerant charge for a system

Answer

To measure static pressure in the duct system

Question 6

What refrigerant replaced R-22 (Freon) as the standard for residential air conditioning in the US?

Accepted Answer

R-410A

Answer

R-134a

Answer

R-32

Answer

R-407C