Technician A says multi-layered steel gaskets have from eight to ten layers. Technician B says when drilling steel, you use a cutting oil. Who is right?
A. Technician A
B. Technician B
C. Both technicians
D. Neither technician
Answer: B
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When setting up a CD weld gun for use on galvanized surfaces, the operator should use _____.
a. non-porous collets b. the highest voltage setting c. reverse polarity d. higher spring pressure
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A fire alarm system that permits discrete identification of alarm signals at the detector level is a(n) _____.
a. addressable system b. multiplex system c. conventional hardwired system d. zoned system
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To decrease carbide precipitation in stainless steel welds, the carbon content of the electrodes should remain
below _____. a. 0.02 percent b. 0.03 percent c. 3 percent d. 2 percent
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Walls generally average about ___ psf.
A. 5 lb B. 10 lb C. 25 lb D. 50 lb
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