STS Test Prep Questions and Answers
Where employee brings their own PEE, what is the responsibility of the employer? - Answer-Assure the
PPE's adequacy. (OSHA pg 127)
What's the standard for eye protection? - Answer-ANSI Z89.1-1969 (OSHA pg 127)
How to ensure that a rope will hold a load? - Answer-Checkt o see if the rated load capacity for the rope
is being exceeded.
Stairway handrails should be installed at ____ from the surface of the tread to upper surface of the
handrail. - Answer-48"
Safety Instruction Signs shall be what color? - Answer-Green upper panel with white letters for principal
message. Other shall be black on white background.
What two colors are on a directional sign (not automotive)? - Answer-Black and white. (OSHA pg 159)
NFPA 704 Label: Blue signifies __________ and is on located on the ____. - Answer-Health hazard, left.
, NFPA 704 Label: Red signifies __________ and is on located on the ____. - Answer-Fire hazard, top.
NFPA 704 Label: Yellow signifies __________ and is on located on the ____. - Answer-Reactivity, right.
NFPA 704 Label: 0 is ____ hazardous and 4 is _____ hazardous _____. - Answer-least, most.
NFPA 704 Label: Bottom diamond is reserved for ______. - Answer-Specific hazards (acids, alkali,
corrosive, oxidizer, radioactive, Use no water.
Yellow ractivity diamond is often referring to reactivity with _____. - Answer-Water.
Fire extinguishers - Type A - Answer-Ordinary Combustibles (Ashes)
Fire extinguishers - Type B - Answer-Flammable Liquids (Barrels)
Fire extinguishers - Type C - Answer-Electrical Equipment (Current)
Fire extinguishers - Type D - Answer-Combustible Metals
2A10BC Fire extinguisher. What does the 2 mean? - Answer-For Type A fires, a 1 would stand for the
equivalent of 1 ¼ gallons of water, a 2 would represent 2 ½ gallons, 3 would be 3 ¾ gallons of water, etc.
Each number adds 1 ¼ gallons equivalent of water.
2A10BC Fire extinguisher. What does the 10 mean? - Answer-For Type B and Type C fires, the number
represents square feet of fire. For example, 2 would be two square feet, 5 is five square feet.
Where employee brings their own PEE, what is the responsibility of the employer? - Answer-Assure the
PPE's adequacy. (OSHA pg 127)
What's the standard for eye protection? - Answer-ANSI Z89.1-1969 (OSHA pg 127)
How to ensure that a rope will hold a load? - Answer-Checkt o see if the rated load capacity for the rope
is being exceeded.
Stairway handrails should be installed at ____ from the surface of the tread to upper surface of the
handrail. - Answer-48"
Safety Instruction Signs shall be what color? - Answer-Green upper panel with white letters for principal
message. Other shall be black on white background.
What two colors are on a directional sign (not automotive)? - Answer-Black and white. (OSHA pg 159)
NFPA 704 Label: Blue signifies __________ and is on located on the ____. - Answer-Health hazard, left.
, NFPA 704 Label: Red signifies __________ and is on located on the ____. - Answer-Fire hazard, top.
NFPA 704 Label: Yellow signifies __________ and is on located on the ____. - Answer-Reactivity, right.
NFPA 704 Label: 0 is ____ hazardous and 4 is _____ hazardous _____. - Answer-least, most.
NFPA 704 Label: Bottom diamond is reserved for ______. - Answer-Specific hazards (acids, alkali,
corrosive, oxidizer, radioactive, Use no water.
Yellow ractivity diamond is often referring to reactivity with _____. - Answer-Water.
Fire extinguishers - Type A - Answer-Ordinary Combustibles (Ashes)
Fire extinguishers - Type B - Answer-Flammable Liquids (Barrels)
Fire extinguishers - Type C - Answer-Electrical Equipment (Current)
Fire extinguishers - Type D - Answer-Combustible Metals
2A10BC Fire extinguisher. What does the 2 mean? - Answer-For Type A fires, a 1 would stand for the
equivalent of 1 ¼ gallons of water, a 2 would represent 2 ½ gallons, 3 would be 3 ¾ gallons of water, etc.
Each number adds 1 ¼ gallons equivalent of water.
2A10BC Fire extinguisher. What does the 10 mean? - Answer-For Type B and Type C fires, the number
represents square feet of fire. For example, 2 would be two square feet, 5 is five square feet.
