A common cause of poor airflow is:

A) Improper installation of the thermostatic expansion valve.
B) Unusually large ductwork.
C) Unusual airflow restrictions in the duct.
D) A duct system that has been sealed too tight and cannot breathe.


C

Trades & Technology

You might also like to view...

The basic diet for hamsters and gerbils should be good-quality _____

a. sunflower seeds b. rodent blocks c. sweetened trail mix d. unshelled peanuts

Trades & Technology

Which type question is the same as two true and false type questions?

A) Technician A and Technician B B) All except type C) Least likely type D) Most likely type

Trades & Technology

Which of the following are bearing grease additives?

A) Anti-wear agents B) Antioxidants C) Rust inhibitors D) All of these are correct.

Trades & Technology

A cutting plane line is used in all but which of the following?

A. a full section B. an auxiliary section C. a broken out section D. an alternate removed section E. both c and d

Trades & Technology