Technician A says that all O- rings are OK to use with R 134a systems. Technician B says that the color of the O-ring indicates the material it is made from. Who is correct?
A) Technician A
B) Technician B
C) Both technicians
D) Neither technician
B) Technician B
You might also like to view...
A typical constant-torque load would be a(n) _____.
a. conveyor b. centrifugal fan c. pump d. blower
What are the differences between a frog and a toad?
What will be an ideal response?
Determine the crash modification factor (using Table 5.14) that can be used to estimate the change in frequency of the crash type targeted by a proposed improvement that will widen a two-lane rural highway from 18 to 22 ft if the highway has an AADT of 1250 veh/day.
What will be an ideal response?
The purpose of purging the lines with nitrogen during brazing is to:
A) Pressurize the lines for leak testing. B) Increase the temperature of the torch flame and decrease brazing time. C) Reduce the amount of refrigerant that must be added once the installation is completed. D) Prevent the formation of copper oxide inside the lines.