Technician A says that retrofitting a system is simply a matter of recovering the R-12 and recharging it with a drop-in refrigerant. Technician B says that the charge level specification is the same with R-134a as with R-12. Who is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
D) Neither technician A nor B
You might also like to view...
Explain why the external equalizer line on a thermostatic expansion valve should always be installed after (downstream of) the thermal bulb.
What will be an ideal response?
How do the air and water contents in a cubic inch of substrate located in the bottom inch of each container described in question 3 compare?
What will be an ideal response?
In conventional wood framing, ____ are installed between the rafter ends and the sidewall.
A. ventilators B. lookouts C. eaves D. returns
On a trip the miles traveled are: Monday, 234 miles; Tuesday, 237 miles; Wednesday, 834 miles; Thursday, 398 miles. What is the average number of miles traveled per day?
A. 405.75 B. 415.50 C. 425.75 D. 525.75