Question

1. which of the following should not be used on a cylinder at any time?

a. regulator
b. regulator - flow meter
c. valve cap
d. petroleum based lubricant

1. which of the following is not an example of a hazardous material?

a. oil
b. batteries
c. scrap metal
d. carbon steel

1. emily is looking for the controls on a piece of equipment. which color is she looking for?

a. orange
b. yellow
c. green
d. blue

1. what is the color blue used to designate?

a. floors
b. doors
c. out of working order equipment
d. working order equipment

1. to improve visibility and highlight the edges of equipment, which color is used?

a. yellow
b. orange
c. blue
d. ivory

Explanation:

1. Petroleum - based lubricants can react with oxygen in cylinders (especially oxygen cylinders) and cause fires or explosions.
2. Oil, batteries, and scrap metal can be hazardous (e.g., oil spills, battery chemicals, scrap metal can have sharp edges or contaminants). Carbon steel is a common metal and not typically a hazardous material in the same sense.
3. In industrial settings, yellow is often used to denote controls.
4. Blue is used to designate out - of - working - order equipment.
5. Yellow is used to improve visibility and highlight equipment edges for safety.

Answer:

1. D. Petroleum based lubricant
2. D. Carbon Steel
3. B. Yellow
4. C. Out of working order equipment
5. A. Yellow