Skip to content
WorkZen
Academy
Home
All Trades
My Progress
en
English
EN
Français
FR
Español
ES
Menu
Home
All Trades
My Progress
Search certifications...
en
English
EN
Français
FR
Español
ES
Academy
Refrigeration & AC
Refrigeration and Air Conditioning Mechanic Red Seal Certification
Advanced & Specialty Systems
Knowledge Check
Advanced & Specialty Systems
Knowledge Check
Knowledge Check
1 / 14
In most heat pump systems, what mode does the system default to when the reversing valve solenoid is de-energized?
A
Cooling mode
B
Defrost mode
C
Heating mode
D
Standby mode
Check Answer
Back to lessons
Start Practice Exam