CMGT 2900 original Exam#1 Questions with
Correct Answers
Power line storage rule
Never store materials or equipment under power lines.
Power line clearance
Maintain at least 10 ft of distance from power lines.
Electrical PPE
Use PPE including properly rated rubber-insulated gloves.
Electrical tool inspection
Inspect tools for cracks, damage, broken grounds, or other defects.
GFCI purpose
Protects against electrical shock; trips at 5 milliamps.
Grounding definition
Grounding eliminates unwanted voltage by connecting equipment to earth.
Grounding rule
Never remove the ground connection; circuits must be properly protected.
Damaged cords rule
Never use damaged insulation or electrical cords.
Water electrical hazard
, Water conducts electricity and increases insulation damage.
Roof pitch fall protection
Roofs under 4/12 pitch require fall protection.
Fall protection methods
Use fall protection, warning lines, supervision, and line walls to show roof edges.
Fall protection plan
Includes hole covers, guardrails, ramps, barricades, and safe zones.
Hole cover strength
Covers must support 2× the maximum intended load.
Hole cover marking
Covers must be secured and clearly marked.
Ramp angle requirement
Ramps must be 18° or less.
Safety net drop test
Safety nets must withstand a 400-lb drop test or equivalent.
Safety net placement
Safety nets installed within 30 ft below working level.
Safety net inspection is done by a
Correct Answers
Power line storage rule
Never store materials or equipment under power lines.
Power line clearance
Maintain at least 10 ft of distance from power lines.
Electrical PPE
Use PPE including properly rated rubber-insulated gloves.
Electrical tool inspection
Inspect tools for cracks, damage, broken grounds, or other defects.
GFCI purpose
Protects against electrical shock; trips at 5 milliamps.
Grounding definition
Grounding eliminates unwanted voltage by connecting equipment to earth.
Grounding rule
Never remove the ground connection; circuits must be properly protected.
Damaged cords rule
Never use damaged insulation or electrical cords.
Water electrical hazard
, Water conducts electricity and increases insulation damage.
Roof pitch fall protection
Roofs under 4/12 pitch require fall protection.
Fall protection methods
Use fall protection, warning lines, supervision, and line walls to show roof edges.
Fall protection plan
Includes hole covers, guardrails, ramps, barricades, and safe zones.
Hole cover strength
Covers must support 2× the maximum intended load.
Hole cover marking
Covers must be secured and clearly marked.
Ramp angle requirement
Ramps must be 18° or less.
Safety net drop test
Safety nets must withstand a 400-lb drop test or equivalent.
Safety net placement
Safety nets installed within 30 ft below working level.
Safety net inspection is done by a
