Free C21 Building Moving & Demolition Exam

Welcome to your free C-21 Building Moving & Demolition Quiz

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1. 
If wind speed is so great that the structure being moved swerves from side to side, what action should the contractor take?

2. 
For fire protection on roadways between and around combustible storage piles, what is the minimum number of feet that must be maintained free from accumulation of rubbish, equipment, or other materials?

3. 
What reference material must the contractor have knowledge of to review reports identifying hazardous materials, lead, and asbestos?

4. 
Which of the following is safest when you are finished with a power tool?

5. 
With what color paint does Underground Service Alert (USA) require the contractor to mark where he/she will dig?

6. 
Why is broken concrete with rebar dangerous during demolition projects?

7. 
Whom must you notify 36 hours before moving a house across train tracks?

8. 
What sort of PPE (personal protective equipment) is recommended when using cleaning solvent?

9. 
What should be done with lifelines, safety harnesses, and shock-absorbing lanyards that have been subjected to impact loading?

10. 
What is the longest standard length of a scaffold plank?

11. 
On a 120V circuit, what color is the (protective) ground wire?

12. 
What is the minimum distance apart that acetylene and oxygen cylinders must be stored?

13. 
Which of the following is a correct method for storing acetylene cylinders?

14. 
Which of the following is the best choice for hoisting a full gas cylinder?

15. 
Cylinders containing ______ shall not be taken into confined spaces.

16. 
A dry chemical or carbon dioxide fire extinguisher rated at least ______ must be kept near operations where bottled fuel gases are being used.

17. 
No more than ______ of paints, solvents, and chemicals may be stored in a room unless an approved safety storage cabinet is present.