Question

1. when other workers are working near a welding operation, the standard practice is to _ a. weld at a lower temperature to reduce risk b. stop work until everyone leaves c. make sure there are plenty of fire extinguishers available d. screen the work area with welding shields 29. what type of fire extinguisher would be used on an electric motor that has overheated and caught fire? a. class a b. class b c. class c d. class d 30. the type of permit that must be issued before a permit - required confined space can be accessed is _ a. hot work permit b. entry permit c. excavation permit d. manhole permit

Explanation:

• For question 28, screening the work - area with welding shields protects nearby workers from welding hazards like sparks and intense light.
• For question 29, Class C fire extinguishers are used for fires involving energized electrical equipment.
• For question 30, an entry permit is required before accessing a permit - required confined space.

Answer:

1. d. screen the work area with welding shields
2. c. Class C
3. b. entry permit