Technician A says CFC-12 (R-12) is no longer being manufactured in the United States. Technician B says CFC-12 (R-12) refrigerant can still be sold. 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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____ are a temporary method of holding parts in place until they can be completely welded.
A. Tack welds B. Plug welds C. Fillet welds D. Spot welds
Describe white northerners’ attitudes toward the resettlement of free blacks to the west coast of Africa
A) White northerners supported resettlement for both moral reasons and economic or political concerns. B) Northerners supported resettlement despite the general attitude that free blacks made important economic contributions. C) White northerners viewed resettlement as solely a means for removing potential rebels. D) Huge profits could be made by charging free blacks resettlement fees.
Why can't the cull, sprue, and runners from a transfer molding operation be reprocessed as regrind like runners in an injection molding operation?
What will be an ideal response?
To test wire insulation, a special type of ohmmeter called a(n) _____ is used.
A. MEGGER B. wattmeter C. ammeter D. voltmeter