Technician A says shops must have dedicated manifold and gauge sets for each manufacturer-approved refrigerant. Technician B says a shop should also have an additional set for contaminated refrigerant. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: C
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The following data are recorded at meteorological field stations. Determine the environmental lapse rate and stability classification of the atmosphere.
a. Temperature at ground level is 15.0°C. The temperature measured at 10 m is 15.1°C. b. Temperature at ground level is 15.0°C. The temperature measured at 10 m is 14.7°C. c. Temperature at ground level is 15.0°C. The temperature measured at 10 m is 15.5°C. d. Temperature at ground level is 15.0°C. The temperature measured at 10 m is 14.1°C. What will be an ideal response?
The compressor is working if the ________ of the compressor clutch is rotating.
A) Pulley B) Center C) Belt D) Muffler
When coolant is used, it will:
A) Lengthen the life of the tool B) Shorten the life of the tool C) Increase the power requirement D) Do none of the above
What component is responsible for reversing the flow of refrigerant in a heat pump?
A) The check valves B) The heating charge compensator C) The compressor D) The reversing valve