What happens when trying to weld non-weldable aluminum alloys?
A) They will harden B) They will crack
C) Filler metal will not coalesce D) All of the above
B
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What is the volume, in cubic feet, of a 1-yard square box?
What will be an ideal response?
Technician A says that when a substance is frozen to a solid state, heat energy is released. Technician B says that when ice melts, heat energy is released. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
Although many telephone companies do not charge residential customers a per-minute charge for telephone usage, they do charge business customers a per-minute usage charge for all local calls
Indicate whether the statement is true or false
Direct current (dc)
A) flows only in one direction B) may change in magnitude C) is unidirectional D) All of the above