Quiz2.1

Question 1

a dangerous condition where a worker can or does make electrical contact with energized equipment or a conductor

Answer 1

electrical hazard

Question 2

samples of electrical hazards

Answer 2

1. damaged/faulty tools and equipment
2. overloaded circuits
3. exposed electrical parts
4. improper grounding
5. damaged insulation
6. wet conditions

Question 3

causes of electrocution fatalities

Answer 3

1. contact with live circuits
2. not following proper procedures
3. poorly maintained extension cords
4. defective power tools

Question 4

common electrical injuries

Answer 4

1. electric shock
2. electrocution (death due to electric shock)
3. burns
4. falls

Question 5

effects of electric shock

Answer 5

1. respiratory failure
2. heartbeat failure
   3.suffocation
3. unable to break-free after an electric shock

Question 6

3-basic pathways electricity travels through the body

Answer 6

1. touch potential (hand to hand path)
2. step potential (foot to foot path)
3. touch step potential (hand to foot or vv)

Question 7

occurs at the point of operation where the actual work is performed and can be created by; components that transmits energy and other parts which move while the machine is working

Answer 7

machine hazards

Question 8

causes of machine hazards

Answer 8

1. unauthorized person doing maintenance or using the machine
2. missing or loose machine guards
3. lack of proper training

Question 9

basic areas of machine safeguard

Answer 9

1. part of operation
2. power transmission apparatus
3. operation controls
4. other moving parts

Question 10

mechanical hazards

Answer 10

1. crushing
2. shearing
3. cutting
4. entanglement
5. trapping
6. stabbing
7. fluid injection

Question 11

hazardous mechanical motions and actions

Answer 11

1. rotations
2. in-running trip points
3. reciprocating
4. transersing

Question 12

hazardous mechanical actions

Answer 12

1. cutting
2. punching
3. shearing
4. bending