?What two terms do welders often use interchangeably when speaking about welding current?

A. ?arc length and heat 
B. ?AC and DC
C. ?heat and amperage
D. ?voltage and amperage


Answer: C

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Scientists have recently used microbes to break down which of the following?

a. crude oil c. disease b. cellulose d. compost

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Technician A says to use masking tape temporarily over the lining material to help prevent getting grease on the lining. Technician B says that grease on the brake lining can cause the brakes to grab. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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The output of a MAP sensor is reading 1.0 volt. What is the approximate engine vacuum in inches of Mercury (Hg)?

A) 17-21 B) 0 C) 5 D) 10-15

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What does the instruction MOV A, P3 do?

A) It moves the contents of port 3 to the accumulator. B) It moves the contents of port 3 to the memory. C) It moves the contents of port 3 to the register. D) none of the above

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