Industrial safety. 5-11 grade

Industrial safety. 5-11 grade
safety category
Industrial safety
5-11 grade
number of questions

Question №1
Who and when was the first escalator in the form of an “inclined elevator” patented?
Question №2
Who and in what year invented the first electric elevator with a system to delay the machine in the shaft when the rope breaks?
Question №3
Which of the following is the most dangerous factor in a sewer system?
Question №4
Why are sewer manholes round?
Question №5
What is the emergency action to be taken if a person has fallen on the belt and clothing items are caught in the escalator knots?
Question №6
Select what is not a threat to life on construction sites:
Question №7
Indicate from what age it is allowed to use pyrotechnic products independently:
Question №8
Identify the incorrect statements when using pyrotechnics:
Question №9
You are riding in an elevator. The elevator stops, the doors open, and you see that it has stopped between floors. What should you do in such a situation?
Question №10
How to properly use bengal lights:
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