The abbreviation for refrigerants containing fluorine, carbon, and hydrogen is ____.
A. HFC
B. HCFC
C. CFC
D. HFAC
Answer: A
Trades & Technology
You might also like to view...
The ____ group of stainless steels is by far the most common.
A. austenitic B. ferritic C. martensitic D. precipitation hardening
Trades & Technology
The tool shown in the above figure is used to _____.
a. measure the inside diameter of tubing
b. cut copper tubing
c. make threads in tubing
d. measure thread pitch
Trades & Technology
?The _____ circle is what the cam would be if there were no lobe.
What will be an ideal response?
Trades & Technology
If there are several lintels alike, they are normally shown on the plans by a symbol and are then described more fully in a lintel schedule.
Answer the following statement true (T) or false (F)
Trades & Technology