QUESTIONS AND ANSWERS
What does MBS stand for? - ANS Minimum breaking strength
The Blind Hole has to be how much the Thread Diameter - ANS 1.5x
Whenever you're skidding a load up an incline you want to take into consideration what? -
ANS The Load Weight, Gravity, and the Coefficient of Friction.
When skidding a load you'll usually have to calculate what? - ANS The line pull
The material that has the highest coefficient of friction is what? - ANS Rubber
How would you measure sling length? - ANS From inside of one eye to the inside of the other
eye
Which of the following is NOT a result of unbalanced reeving:
You'll torque/twist the boom
Unneeded wear on shivs
Excessive wear on the wire rope
The hook will be affected - ANS The hook will not be affected due to unbalanced reeving the
rest are applicable.
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, Job Site electrical hazards can be found where? - ANS On Standard Lift Plans
Sudden up and down acceleration or deceleration is called what? - ANS Shock Loading
When hoisting people you're not allowed to use more than how much capacity? - ANS No
more than 50% when hoisting personnel
Which of the following is NOT an end fitting for Turnbuckle:
Eye
Jaw
Hook
Shackle - ANS A shackle is not an end fitting for a turnbuckle the rest are.
Spreader Beams and Equalizer Beams all have to be proof tested to what capacity percentage? -
ANS 125%
The Fall Protection's Anchorage Point must be able to withstand at least how much weight? -
ANS At least 5,000 lbs
On a crane you measure from what to what to get the boom length? - ANS Boom pivot pin to
the Boom tip shift pin
For shouldered eyebolts when lifting what should you do to the capacity when doing an angular
lift. - ANS The capacity will decrease when doing an angular lift
This will allow you to lift or pull a load at any desired angle. - ANS A Swivel Hoist Ring
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