Which of the following refrigerant safety designations indicate the refrigerant is hazardous at levels of 400 parts per million or less?
A) B1 B) A2 C) A1 D) A3
A
Trades & Technology
You might also like to view...
When a surface feature is not perpendicular to the line of sight, the feature is said to be:
A. parallel B. foreshortened C. at right angles D. True length E. none of the above
Trades & Technology
Explain the Silent Majority when the discussion is Customer Relations
What will be an ideal response?
Trades & Technology
The ignition coils on the composite vehicle are being tested with an ohmmeter. Which of the follow-ing readings is within specifications for the secondary winding?
What will be an ideal response?
Trades & Technology
The temperature ratings of devices such as circuit breakers, fuses, and terminals are found in the ______________________________ product directories.
Fill in the blank(s) with the appropriate word(s).
Trades & Technology