Safety

Question 0

Knot used to lift poles and tie off string line?

Answer 0

Timber hitch

Question 1

Knot used to lift scaffold frames

Answer 1

Bowline

Question 2

Angle of repose for trench in hard soil?

Answer 2

30 degrees

Question 3

Angle of repose for loose soils?

Answer 3

45 degrees

Question 4

Maximum depth of trench before shoring or repose?

Answer 4

1.5 m

Question 5

Ratio for rolling scaffold without person?

Answer 5

3:1

Question 6

Ratio for rolling scaffold while moving?

Answer 6

2:1

Question 7

Sloped ladder ratio?

Answer 7

4:1

Question 8

Height of guardrail?

Answer 8

Top member not less than 0.92 m nor more than 1.07 m

Question 9

Height when in need of guardrail?

Answer 9

3.0 m or greater

Question 10

Need toe board when ____ above surface when in danger.

Answer 10

3.5 m

Question 11

A guardrail must have vertical supports no more than _____ apart.

Answer 11

3.0 m

Question 12

A scaffold plank should not span more than _____ for a light duty scaffold.

Answer 12

3.0 m

Question 13

A scaffold plank should not span more than ______ on a heavy duty scaffold?

Answer 13

2.3 m

Question 14

A scaffold should extend not less than _____ not more than _____.

Answer 14

150 mm to 300 mm

Question 15

Light duty scaffolds are atleast 500 mm wide. T or F

Answer 15

T

Question 16

Light duty scaffolds are at least _____ wide.

Answer 16

1 m