SOLUTIONS RATED A+
✔✔a class must have at least _____ and no more than ____ students without prior
OSHA approval - ✔✔at least 3
no more than 40
✔✔to ensure copyright laws are not violated it is best to ________ to use copyrighted
materials - ✔✔obtain written permission from copyright owner
✔✔6 hazards of power tools - ✔✔1. struck-by hazards from flying, falling, impact,
abrasive objects
2. electric shock/electrocution
3. caught in hazards with tools with moving parts
4. exposure to dust, fumes,mists vapors etc
5. tripping/slipping
6. sharp edges
✔✔how can risks of shock or electrocution be minimized for employees using electric-
powered tools - ✔✔double insulated
grounded (3 prongs, GFCI)
✔✔2 ways of protecting employees from exposure to hazards associated with hand and
power tools - ✔✔1. guarding
2. PPE
✔✔2 abrasive wheel hazards - ✔✔1. may explode during start up if not allowed to come
up to operating speed before grinding/cutting
2. throw off flying fragments
✔✔what sources of energy can be used for power tools/ what are the hazards? -
✔✔pneumatic
hydraulic
liquid fuel
powder actuated
✔✔major hazards with ladders and stairways - ✔✔falls
electrocution
struck by
✔✔what does cast-in-place concrete refer to? - ✔✔concrete walls and other structures
erected onsite using removable forms and ready-mix concrete
, ✔✔length and width requirements for limited access zone, which must be established
on the un-scaffolded side of the masonry wall that is being constructed - ✔✔height of
wall + 4 feet and run the entire length of the wall
✔✔5 hazards associated with concrete work - ✔✔cement dust
wet concrete
concrete burns
slip trip fall
unprotected rebar
masonry walls without bracing
struck by and falling loads
missing guards
✔✔can employees ride concrete buckets as per OSHA? - ✔✔NO
✔✔conventional systems used for fall protection - ✔✔personal fall arrest systems
guard rails
safety nets
✔✔5 ladder use requirements found in 29 CFR 1926.1053 - ✔✔1. do not use the top or
top step of ladder as a step
2. face the ladder when ascending or descending
3. side rails must extend 3' above upper landing
4. ladders kept free of oil, grease, etc
5. use only for purpose for which they are designed
✔✔what height do you need fall protection - ✔✔6'
✔✔what subpart is fall protection - ✔✔M
✔✔rail height requirements for guardrail system - ✔✔42"-21"- toe board
✔✔max distance below a walking working surface a safety net can be installed - ✔✔30'
✔✔are body belts acceptable as part of a personal fall arrest system? - ✔✔No
✔✔If a personal fall arrest system is subject to an impact load can it be immediately
returned to service? - ✔✔no?
✔✔when it can be demonstrated that it is not feasible or creates a greater hazard to use
conventional fall protection equipment, a qualified person must prepare and implement
a __________ in lieu of providing the conventional fall protection system - ✔✔fall
protection plan