Bài kiểm tra an toàn lao động khi làm việc với máy công trình

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Question 1: Workers operating, maintaining and repairing construction machinery and wheel loaders must receive periodic occupational safety training according to the following schedule:

a) Every 12 months.

b) After transferring to operate equipment at another unit.

c) When requested by an inspector.

d) All three sentences above are correct.

Question 2: Construction machinery when put into use must:

a) Check technical and safety conditions before use and periodically.

b) Specify safe working range and designate operator.

c) Carry out care and maintenance work according to regulations.

d) All of the above.

Question 3: During the digging process, when encountering obstacles (such as hard soil, tree roots, etc.), the driver must:

a) Continue to increase the throttle to press the cylinder blade deeper into the ground.

b) Move the blade slightly up to reduce the cutting force on the ground. If the resistance is too great, stop the operation immediately and check.

c) Work normally.

d) Sentences a and b are correct.

Question 4: When using construction machinery on construction sites, drivers must:

a) Observe to grasp the actual terrain.

b) Determine the transport direction and working range of the machine.

c) Use appropriate speed and avoid sudden vibrations.

d) All of the above.

Question 5: The minimum safe distance from construction machines to 22 KV power lines is

a) 2,0 m.

b) 4,0 m.

c) 6,0 m.

d) Not important.

Question 6: To dig and bulldoze soil with high productivity, the driver must:

a) Take advantage of natural slopes or create slopes.

b) Land use uphill.

c) Create trenches to prevent soil from falling off the sides of the blade.

d) Gather 2-3 blades into a pile.

e) Sentences a, c, and d are correct.

Question 7: When using construction machinery to pull a dead vehicle, the driver is allowed to

a) Accelerate suddenly to pull the car.

b) Use a suitable tow rope and ensure that the brakes of the stalled vehicle are in good condition.

c) Pull slowly until the cable is taut before officially pulling.

d) Have someone stand near the rope to observe and signal.

e) Sentences b and c are correct.

Question 8: Construction vehicle drivers are allowed to park when

a) Vehicles near excavations, where the road surface is inclined or steep.

b) The engine is running

c) The bucket or working set is still high.

d) All three sentences a, b, c are wrong.

Question 9: When the vehicle is carrying goods in the bucket, it must

a) Move the car forward when going uphill and backward when going downhill.

b) Let the car go forward when going uphill, go forward when going downhill.

c) Let the car go backwards when going uphill and forward when going downhill.

d) The car can go any way.

Question 10: When the vehicle is not carrying goods in the bucket, it must

a) Let the car go backwards when going uphill, go backwards when going downhill

b) Let the car go forward when going uphill, go forward when going downhill.

c) Let the car go backwards when going uphill and forward when going downhill.

d) The car can go any way.

Question 11: Construction vehicles working near deep holes, the depth of the hole is 1.0m; the ground surface is sand and gravel, the minimum distance must be ensured.

a) 3,0 m.

b) 1,5 m

c) 4,0 m.

d) Any distance is fine.

Question 12: What situation causes construction vehicles to overturn?

a) The working road surface is steeper than prescribed.

b) Encounter obstacles.

c) Performing incorrect working procedures (moving vehicles with goods on high places, going up and down slopes, etc.)

d) Turning at high speed, accelerating or stopping suddenly.

Question 13: When construction vehicles work near the edges of excavations and power lines, the driver must

a) Determine minimum safe working distances.

b) Refuse work when you feel unsafe.

c) Report to the responsible person.

d) Work normally.

e) Sentences a, b, c are correct.

Question 14: Measures to improve productivity of excavators and construction machines

a) Workers must know how to use the machine proficiently, reducing work cycles by combining operations to the maximum.

b) Choose a good means of transport, suitable for the capacity of the bucket.

c) Establish appropriate dimensions of the excavation and equipment placement.

d) Means of transport must be continuous.

e) All of the above requirements.

Question 15: When transporting construction machinery, construction machines must:

a) Must be assigned to an experienced person and have a specific transportation plan.

b) Place the machine on the vehicle body so that its axis coincides with the axis of the vehicle.

c) Must be wedged longitudinally, cross-spaced and secured during transportation.

d) Travel speed depends on road conditions but does not exceed 40 km/h.

e) All of the above are correct

Occupational Safety Multiple-Choice Test for Working with Construction Machinery

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