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Why are gasoline and volatile solvents objectionable when present in a sewer? They produce an explosion hazard You should never attempt to install, troubleshoot, maintain, repair, or replace electrical equipment unless: You know what you are doing, are qualified, and are authorized. ...

Sewer maintenance vehicles are difficult to maneuver At low concentrations, hydrogen sulfide smells like Rotten Eggs which safety hazard in a collection system operations can be detected by an insturment? Toxic Gases What must be checked first before entering a manhole? Prop...

A Flagger should Stand? A. On the shoulder adjacent to traffic being controlled B. In the closed lane before stopping vehicle traffic C. In the traffic lane. D. As stated in "A" or "B" above. D. As stated in "A" or "B" above. Legally responsible officials are required to report c...

AA atomic absorption AC power alternating current ac acre AF acre-foot (feet) AFY acre-foot per year AMSA Association of Metropolitan Sewerage Agencies ANSI American National Standards Institute APHA American Public Health Association ...

Which process is most commonly used for small pipe maintenance welding? D. Oxyacetylene gas welding What is the proper definition of an engine? B. It is machine designed to convert energy into useful mechanical motion What is wet stacking and how can it be prevented? C.Wet stacking ...

If the potential difference across the coil is low, the coil will: A-draw too much current B-become too hot C-Produce too much magnetic force D-not heat up D-not heat up The NEC identifies environments that contain flammable vapors and gases as which class of hazardous location? A-Class...

Receiving job instruction and planning equipment use are part of: a. craft data. b. job preparation. c. work factors. d. leveled time. b. job preparation Anticipating other tasks or problems: a. usually creates additional problems. b. wastes time. c. sharply reduces the number of em...

Receiving job instruction and planning equipment use are part of: a. craft data. b. job preparation. c. work factors. d. leveled time. b. job preparation Anticipating other tasks or problems: a. usually creates additional problems. b. wastes time. c. sharply reduces the number of em...

Confined Space A space that: -is large enough to enter and work. -has limited or restricted means for entry. -is not designed for continuous occupancy. Hot Work Permit An employer's written authorization to perform work capable of providing a source of ignition. Inerting A form ...