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10 Cards in this Set
- Front
- Back
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The first step the maintenance staff should take in properly locking and tagging out a piece of equipment is to______.
a. alert the operator on duty b. turn the equipment off at the motor control center (MCC) c. pull the switch on the electrical panel to "OFF" d. fill out the tags |
a. Always alert the operator on duty before shutting down any equipment so as to prevent the possibility of harming personnel or affecting process performance as a result of the shutdown.
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When working in an area with two or more floor coverings, be sure that they are always______.
a. overlapping one another b. secured together c. separated from one another d. at the entrances and exits only |
b. If two or more floor coverings are required, secure them togehter to prevent trips and falls from the coverings seperating.
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when manually lifting any object, be sure to______.
a. hold it at arm's length b. keep your ack bent and hold it low c. keep it close to your body and use leg strength d. keep your knees locked and bend at the waist |
c. When lifting any object manually, use your legs and keep the object close to your body in order to minimize the risk of back injury.
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Oxygen deficiency becomes a concern when the oxygen level in a confined space is less than:
a. 19.5% b. 22.5% c. 25.5% d. 28.5% |
a. Levels below 19.5% can lead to injury, loss of consciousness or death.
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Which of the following provides safety information for potentially hazardous or toxic materials?
a. CERCLA b. OSHA c. CFR d. MSDS |
d. MSDS - material safety data sheets provide information on chemical hazards, and health, and safety and environmental concerns of chemicals.
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The threshold limit value concentration for chlorine vapor is:
a. 0.1ppm b. 0.3ppm c. 0.5ppm d. 1.0ppm |
c. 0.5
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When working in confined spaces where flammable gases may be present, use only tools made of:
a. stainless steel b. lead c. iron d. a non-sparking alloy |
d. a non-sparking alloy
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In addition to the worker entering a confined space, what is the minimum number of people required to be present during a confined space entry?
a. 1 b. 2 c. 3 d. 4 |
a. 1
an entry supervisor and attendant must be present during any confined space entry in addition to the entrant. |
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Hearing protection must be made available to all employees exposed to noise levels above:
a. 85db; average over 8 working hrs b. 850db; average over 8 working hrs c. 85db; continously for 8 working hrs d. 85db at any point in the 8hr work day |
a. .85db; avg over 8 working hrs
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Recommended personal hygiene practices to minimize the risk of being infected by wastewater pathogens include:
a. only rubbing your eyes while working if you are wearing impervious gloves b. washing your hands before the beginning of your shift c. changing out of your work clothes and showering before leaving work d. reading the material safety data sheets for all chemicals used at the plant |
c. changing out of your work clothes and showering before leaving work
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