WasteWater certification exam questions with correct answers

The first step in maintenance staff should take in properly locking and tagging out a piece of equipment is to CORRECT ANSWER alert the operator on duty When working in an area with two or more floor coverings, be sure that they are always CORRECT ANSWER Secured together When manually lifting any object be sure to CORRECT ANSWER keep it close to your body and use leg strength Oxygen deficiency becomes a concern when the oxygen level in a confined space is less than CORRECT ANSWER 19.5% What provides safety information for potentially hazardous or toxic materials? CORRECT ANSWER MSDS Material safety Data Sheet The threshold limit value concentration for chlorine vapor is CORRECT ANSWER 0.5 ppm When working in confined spaces where flammable gases may be present, use only tools made of CORRECT ANSWER a non-sparking alloy 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? CORRECT ANSWER 1