OSSF INSTALLER 1| QUESTION WITH
100% CORRECT ANSWER
hard hats goggles and safety glasses respirator protection and disposable masks are
examples of work clothes that are important personal protective equipment -
✔️✔️true
Skin protection should be used to protect against mechanical, and physical injures,
biological agents, chemicals, and temperature extremes - ✔️✔️true
"WORKERS AHEAD" and "CAUTION, CONSTRUCTION WORK" signs and
signs with flags or flashers are effective methods for warning approaching traffic
about a worksite - ✔️✔️true
failure of shoring material, placement of spoil too near the trench edge, and trench
wall undercutting are common causes of trench and excavation cave ins - ✔️✔️true
lack of natural ventilation, oxygen deficient atmosphere, and flammable/explosive
atmosphere are potential hazards associated with working in confined space -
✔️✔️true
A trench measures 30 inches wide. What is the width of the trench in feet and
inches - ✔️✔️2 feet and 6 inches
The area of the lot is 20,076 square feet. what is the area of this lot in acres -
✔️✔️.46 acres
A septic tank has a working volume of 47 cubic feet. how many gallons does this
septic tank hold - ✔️✔️351.56 gallons
A trench require 486ft3 of gravel. how many cubic yards must be purchased -
✔️✔️18yd3
calculate the acreage for a piece of property that measures 417.42 feet on each of
the four sides - ✔️✔️0.038 acres
100% CORRECT ANSWER
hard hats goggles and safety glasses respirator protection and disposable masks are
examples of work clothes that are important personal protective equipment -
✔️✔️true
Skin protection should be used to protect against mechanical, and physical injures,
biological agents, chemicals, and temperature extremes - ✔️✔️true
"WORKERS AHEAD" and "CAUTION, CONSTRUCTION WORK" signs and
signs with flags or flashers are effective methods for warning approaching traffic
about a worksite - ✔️✔️true
failure of shoring material, placement of spoil too near the trench edge, and trench
wall undercutting are common causes of trench and excavation cave ins - ✔️✔️true
lack of natural ventilation, oxygen deficient atmosphere, and flammable/explosive
atmosphere are potential hazards associated with working in confined space -
✔️✔️true
A trench measures 30 inches wide. What is the width of the trench in feet and
inches - ✔️✔️2 feet and 6 inches
The area of the lot is 20,076 square feet. what is the area of this lot in acres -
✔️✔️.46 acres
A septic tank has a working volume of 47 cubic feet. how many gallons does this
septic tank hold - ✔️✔️351.56 gallons
A trench require 486ft3 of gravel. how many cubic yards must be purchased -
✔️✔️18yd3
calculate the acreage for a piece of property that measures 417.42 feet on each of
the four sides - ✔️✔️0.038 acres
