Proper ventilation is important when welding because _____.
a. it keeps the operator from getting overheated
b. it keeps the smoke away from the workpiece
c. the fumes given off by the process can be dangerous
d. the airflow keeps sparks away from the operator
Answer: C
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What is the benefit of talking to the operator or the last person to run the system/equipment before it faulted out?
What will be an ideal response?
To transmit information, systems using power-line carrier technology make use of _____.
a. dead legs b. wiring c. the metal portion of a building’s structure d. GFCI devices and ground wiring
The Future Farmers of America was organized in _____
a. 1933 c. 1917 b. 1928 d. 1940
Regardless of the insulation value, ____ is the most critical element in overhead doors, and finding units with high performance of this element is a challenge.
A. air leakage B. conduction C. heat loss D. lighting