The ____ technique is designed to be used on noncritical, noncode welds only.
A. hot pass
B. filler pass
C. open root weld
D. cover pass
Answer: A
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After a concrete structure has served its original purpose, the concrete can be crushed and recycled into ____ for use in new concrete pavements or as backfill or road base.
A. cement B. aggregate C. fill D. roughage
Which of the following insulating materials is available in the form of rigid boards?
A) Rock wool B) Insulating concrete C) Fiberglass D) Extruded polystyrene E) None of the above
If a truck diesel engine is said to be operating in isochronous mode, which of the following is it most likely doing?
A. using the PTO to pump load B. running a long downhill gradient C. climbing uphill D. running in toque rise
The __________ the number of poles used in a stepper motor, the better the resolution.
A. smaller B. larger