Most engine-powered welding machines turn a generator that produces _____
a. AC current
b. DC current
c. a pulsed AC waveform
d. a pulsed DC waveform
b
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Adjacent structural insulated wall panels in a SIP building are connected through
A) 2-by lumber studs. B) OSB splines. C) engineered lumber splines. D) any one of the above. E) special sheet metal connectors.
If an entrepreneur invents something in a university lab space and brings it to market, it is often the universities that own the intellectual property.
Answer the following statement true (T) or false (F)
Technician A says that roller bearings can support a heavier load than ball bearings. Technician B says that the clearance between the rollers and the race is adjustable. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
The opposition to the changes in current flow is identified as ____.
A. electromotive force B. counter electromotive force C. rate of change D. inertia