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Training documents for safety working at heights
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Question 1: When using a seat belt, static load test and dynamic load test must be conducted.

a. Static load test with a load of 250 kg, dynamic load test with an internal load of 100 kg

b. Static load test with a load of 300 kg, dynamic load test with an internal load of 150 kg

c. Static load test with a load of 250 kg, dynamic load test with an internal load of 75 kg

d. Test with any load

Question 2: Requirements for people working at heights

a. Age 18 years and older

b. Have a health certificate issued by a health authority.

c. Annual health check-up at least once a year

d. Pregnant women, women with heart disease, deafness, or poor eyesight are not allowed to work at heights.

e. have a certificate of having studied and tested to meet safety requirements confirmed by the unit director

f. be fully equipped with personal protective equipment suitable for working conditions as prescribed

g. Sentences a, b, c, e are correct

h. All of the above are correct.

Question 3: At what height during construction must workers use safety belts?

a. Height from 2m or more above the working floor

b. Not reaching a height of 2m but when required because the area below has many obstacles or is near dangerous trenches, holes, etc.

c. It does not matter if the worker feels safe or has experience

d. Sentences a and b are correct.

e. All of the above are correct.

Question 4: The standard load of scaffolding is

a. Heavy load is 375 kg/m2, medium load is 250 kg/m2, light load is 125 kg/m2

b. Heavy load is 400 kg/m2, medium load is 300 kg/m2, light load is 200 kg/m2

c. Heavy load is 500 kg/m2, medium load is 350 kg/m2, light load is 250 kg/m2

d. Any load is acceptable

Question 5: To ensure safety when working on tower scaffolding, the ratio between height and base width is

a. Fixed tower scaffolding not exceeding 6/1, fixed outdoor scaffolding 5/1, mobile scaffolding 4/1

b. Fixed tower scaffolding not exceeding 5/1, fixed outdoor scaffolding 4/1, mobile scaffolding 3.5/1

c. Fixed tower scaffolding not exceeding 4.5/1, fixed outdoor 3.5/1, mobile 3/1

d. Fixed tower scaffolding not exceeding 4/1, fixed outdoor scaffolding 3.5/1, mobile scaffolding 3/1

Question 6: When using scaffolding to work at height according to TCXDVN 296-2004 (now QCVN 18/2014),

a. The scaffolding must have a railing from 1.0m to 1.2m high, with at least two crossbars, the lower bar 55cm from the upper bar

b. The scaffolding must have a railing from 0.9m to 1.15m high, with at least two crossbars, the lower bar 45cm from the upper bar.

c. The scaffolding must have a railing from 0.8m to 1.10m high, with at least two crossbars, the lower bar 35cm from the upper bar.

Question 7: According to TCVN 296-2004, the maximum height of freestanding fixed tower scaffolding and mobile scaffolding must not exceed

a. 13m with freestanding fixed tower scaffolding, 9.8m with mobile scaffolding

b. 12m with freestanding fixed tower scaffolding, 9.6m with mobile scaffolding

c. 11m with freestanding fixed tower scaffolding, 9.4m with mobile scaffolding

Question 8: The cause of occupational accidents due to scaffolding overturning is

a. The ratio between the height of the scaffold and the width of the base is too large

b. Overloaded working platform, placed on subsidence ground causing scaffolding to become unstable

c. Place a ladder on top of the scaffolding to increase working height

d. Not fastening the scaffolding to the structure as required by the technical specifications

e. Means of access to the working floor are placed against the scaffolding frame.

f. Sentences a, b, c, d are correct

g. all sentences a, b, c, d, e are correct

Question 9: Causes of occupational accidents from falling from heights on scaffolding include

a. Organizational reasons

b. Technical causes

c. No safety supervisor on construction site

d. Sentences a and b are correct.

e. All a, b, and c are correct

Question 10: When using a ladder, the foot of the ladder must be placed at an angle to the horizontal plane.

a. 45 degrees to 60 degrees

b. 30 degrees to 65 degrees

c. You can build any angle

Question 11: The minimum safe distance from scaffolding or construction vehicles to the nearest power line (bare wire) with a voltage of 66 kv - 110 kv is

a. Greater than 4.0m

b. Greater than 6.0m

c. Minimum 2.0m

d. Any distance is fine

Question 12: When working on scaffolding, employers need to follow safety rules.

a. Do not let workers work on the same vertical surface.

b. The number of floors on the scaffolding that can be working at the same time must not exceed three floors.

c. Monitor the condition of scaffolding, floors, and barriers

d. Stairs must be placed between floors

e. High scaffolding must have lightning protection, metal scaffolding must be grounded

f. Sentences a, b, c, d are correct

g. all sentences a, b, c, d, e are correct

Occupational Safety Multiple-Choice Test for Working on Scaffolding

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