Rectangular sheet metal ducts are sealed using: A) S-locks and ...

[ericka1]

Rectangular sheet metal ducts are sealed using:
 
  A) S-locks and drives cleats. B) General purpose duct tape.
  C) Mastic. D) Flanges and bolts.

Question 2

When should a technician record a system's baseline data?
 
  A) Whenever the air filter is changed B) On a new system after it is installed
  C) On an older system that is having problems D) Whenever refrigerant is added

[Eunice618]

Answer to Question 1

C

Answer to Question 2

B

[ericka1]

Thanks for the timely response, appreciate it

[adammoses97]

Excellent