As the electrode extension is shortened, the welding current ____.
A. decreases
B. increases
C. stays the same
D. varies erratically
Answer: A
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A set of burned or pitted contacts can cause a(n) ____________________ across the contacts.
Fill in the blank(s) with the appropriate word(s).
Technician A says that an EHI with a piezo actuator is capable of breaking up a single injection cycle into up to 7 separate pulses. Technician B says that during a CR EHI multipulse injection cycle, the pressure rises through each successive pulse. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
Most carbon resistors indicate their electrical resistance by ________
A) Printed numbers indicating resistance in ohms B) Color coded markings C) Shape D) None of these
A 18" square sheet of lead has a 4" hole cut in it. Calculate the square inches.
Fill in the blank(s) with the appropriate word(s).