What are the main causes of overlap?
What will be an ideal response?
1. Welding speed is too slow.2. Arc length is too short.3. Torch feed is too slow.4. Current is too low.
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In a composite slab, the slab form is _____.
a. corrugated steel b. reinforced HDO plywood c. steel pans with overlapped flanges d. 1/4" steel plate
Magnetic field strength is measured in ________
A) Density B) Flux C) Ampere-turns D) Coil strength
Which of these vehicles must always stop before crossing railroad tracks?
a. tank truck marked with hazardous materials placards b. motor homes or pickup trucks towing a boat trailer c. any vehicle with 3 or more axles or weighing more than 4,000 pounds
Which type of company specializes in incident involving spilled or leaking hazardous chemicals?
a. truck b. salvage c. hazardous material d. engine