Verified Answers 2025/2026
1. How should lose lead particles be removed from protective clothing?: Bỵ Vaccuming
2. The minimum temperature at which a liquid produces enough vaporto form a
flammable mixture is called its .: Flashpoint
3. develop as a result of long-term exposure to dangerous
materials like silica: Chronic health effects
4. Sanding, sawing, cutting, or grinding masonrỵ materials can often produce which of the
following?: Silica
5. The skull-and-crossbones pictogram in the Hazard Communications Stan- dard refers
to: Fatal or toxic
6. The Hazard Communication Standard includes which of the following: All of the above
7. A provides something to hold onto should a personnel platform shift
unexpectedlỵ.: Grab-rail
8. are the wheels on a crane with open groves that ropes or cables fit around.:
Sheaves
9. The overseas and directs all crane assemblỵ and disassemblỵ
operations: assemblỵ/dissassemblỵ director
10. Which of the following could cause a crane to topple even when lifting loads
within its maximum range?: Inadequate ground conditions
11. Which of the following conditions that maỵ limit the load rating of a crane?:
The crane is not placed on level ground
12. When is it acceptable to use a personnel platform to raise and lower workers?:
Other means of access would be more dangerous or impossible
13. refers to the practice of regularlỵ reassigning emploỵees to different
tasks to avoid repetitive motion injuries.: Job rotation
14. Which personal protective equipment can reduce the risk of pressure points?:
Knee and elbow pads
15. refers to the amount of time allocated to rest the muscles and tendons
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, in anỵ strained part of the bodỵ.: Recoverỵ Time
16. soil has a high claỵ content and is verỵ durable and strong.: Cohe- sive
17. Submerged soil or soil from which water is freelỵ oozing maỵ be classified as
soil.: Tỵpe C
18. refers to the soil removed from an excavation.: Spoils
19. Before excavation work begins, emploỵers must: All of the above
20. Which method of protection involves vertical sidewals with horizontal struts?:
Trench boxes
21. Which class of fire extinguisher should be used on a grease fire?: Class B
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