SAE specifications call for the low-side R-134a servicehose to be A) Solid blue with a black stripe
Question:
SAE specifications call for the low-side R-134a servicehose to be
| A) | Solid blue with a black stripe |
| B) | Solid blue with no stripe |
| C) | Solid blue with a yellow stripe |
| D) | Solid black with a blue stripe |
SAE Standard J2197 specifies that R-134a service hosefittings for connection to manifold gauge sets shouldbe
| A) | 7/16 inch, 20 ACME thread |
| B) | 1/2 inch, 16 ACME thread |
| C) | 9/16 inch, 14 ACME thread |
| D) | 5/8 inch, 12 ACME thread |
Motor Vehicle A/C systems using R-12 have flaredthreaded service ports. Service fittings on systems using R-134aemploy:
| A) | The identical size and type of threaded service ports as R-12systems |
| B) | The same fittings as used with R-12 systems but with a greenstripe |
| C) | 10 mm threaded ports |
| D) | SAE approved quick couplings without external threads |
Carbon dioxide (R-744) is unlikely to be used as arefrigerant because of its _______.
| A) | high GWP |
| B) | high flammability |
| C) | high working pressure |
| D) | difficulty to manufacture |
The procedure for determining the presence ofNon-Condensable Gasses in refrigerant contained in an externalrecovery tank utilizes the principle that non-condensable gases____ the pressure of the refrigerant (compared to the saturationpressure).
| A) | Increase |
| B) | Decrease |
| C) | Have no effect on |
| D) | Circulate |
Expert Answer:
The detailed answer for the above question is provided below 1 According to the Society of Automotive Engineers SAE standard J2064 the correct answer ... View the full answer
