STS Test Prep Review With Accurate Answers!!

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.