The letter ''a'' in R-134a means _________
A) Automatic
B) Automotive
C) Asymmetrical
D) Atmosphere
C) Asymmetrical
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Answer the following statement(s) true (T) or false (F)
1. Some of the controls on an oil-fired heating system are basically the same as the controls on a gas-fired system. 2. The primary control controls the major operation of an oil-fired heating system. 3. A gun-type oil furnace is ignited by an electric arc. 4. The CAD cell changes its resistance in accordance with the amount of light to which it is exposed. 5. When the CAD cell is in darkness, its resistance will decrease to about 50 ohms.
The role of microtubules in a eukaryotic cell is to:
a. Break down molecules and waste materials b. Prepare proteins for export from the cell c. Help move chromosomes during division d. Serve as cell storage compartments
After any repair or part replacement, the most important thing you must do is:
A) Document your work in a logbook. B) Clean up the equipment used in the repair. C) Recheck the system to be sure the concern has been resolved. D) Dispose of any worn parts or components.
Technician A says that the first step in the diagnostic process is to verify the problem (concern). Technician B says the second step is to perform a thorough visual inspection. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician