If a welding machine starts to fall over, _____.
a. grab a pry-bar to attempt to slow the fall down with leverage
b. immediately pull the local fire alarm
c. get clear and do not attempt to stop it yourself
d. intervene and try to return it to an upright position using physical strength
Question 2
The preventive maintenance schedule for an engine-driven welding machine is usually based on _____.
a. insurance requirements
b. the number of welds made
c. fuel consumption figures
d. the number of hours that the engine operates