OECP QUESTIONS WITH VERIFIED ACCURATE
ANSWERS
What are the four different types of crane signals? - Answers - Hand
Voice
Audible
New
The shaded area on a load chart indicates _______? - Answers - A structural chart
The minimum distance to a power line of unknown voltage is ? - Answers - 50'
When hoisting personnel and have known voltage, can you use Table A and get closer
than 20'? - Answers - Never!
What is the minimum tale swing clearance requirement - Answers - 2'
What kind of rigger is required for A/D? - Answers - Qualified Rigger
Signal training is now required in the construction industry, True or False? - Answers -
True
What is the weight of the object being lifted called? - Answers - Net Load
Why are the edges of a man basket smooth? - Answers - To protect against injury
Man basket doors must swing which way? - Answers - Must swing inwards only
Name a few things to inspect for with synthetic slings - Answers - Missing tags, acid
burns, broken stitches, melting, snags, tears, cuts, discoloration
What should never be done while inspecting a wire rope? - Answers - Open it to expose
the core
A few things to be checked for in a wire rope inspection are - Answers - Corrosion,
crushed strands, bird caging, high stranding, core protrusion, damaged end fittings, heat
damage from any source
If the horizontal sling angle decreases, the rated capacity - Answers - Decreases
How much does concrete weigh per cubic foot? - Answers - 150 lbs.
, When making a lift in excess of 75% of rated capacity, this would be considered a ? -
Answers - Critical lift
All lifting devices are load tested to how much? - Answers - 125%
How many people signal the cranes on a 2 crane pick? - Answers - 1
On a multi crane pick, each crane should be loaded to no more than what percentage of
its rated capacity? - Answers - 75%
The highest cause of fatalities in crane accidents is ? - Answers - Electrocution
What is a C rated fire extinguisher used for? - Answers - Electrical fires, anything to do
with CURRENT
The weight of a stationary load is called ? - Answers - Static load
What will a properly configured LMI indicate? - Answers - Potential Overload
New signals must be ? - Answers - Equally effective
The minimum distance to pass below power lines with no load and the crane in its
transport configuration is ...? - Answers - 4'
A crane operator must be certified for the _____ and ______ of the crane they will
operate - Answers - Type and capacity
What is the horizontal distance from the center of rotation to the center of the
suspended load called? - Answers - Load radius
A jib is primarily used for ? - Answers - Height
What is the principle of leverage? - Answers - Weight x distance = distance x weight
Whats the formula to find the estimated weight of a square object - Answers - length x
width x height x unit weight
What happens to the rated capacity at a given radius when handling personnel? -
Answers - It is de-rated 50%
The first thing done on site when lifting personnel is ? - Answers - A pre-lift meeting
A critical lift would be in excess of what percentage of rated capacity? - Answers - 75%
What should be tested at the beginning of a critical lift? - Answers - The brakes
ANSWERS
What are the four different types of crane signals? - Answers - Hand
Voice
Audible
New
The shaded area on a load chart indicates _______? - Answers - A structural chart
The minimum distance to a power line of unknown voltage is ? - Answers - 50'
When hoisting personnel and have known voltage, can you use Table A and get closer
than 20'? - Answers - Never!
What is the minimum tale swing clearance requirement - Answers - 2'
What kind of rigger is required for A/D? - Answers - Qualified Rigger
Signal training is now required in the construction industry, True or False? - Answers -
True
What is the weight of the object being lifted called? - Answers - Net Load
Why are the edges of a man basket smooth? - Answers - To protect against injury
Man basket doors must swing which way? - Answers - Must swing inwards only
Name a few things to inspect for with synthetic slings - Answers - Missing tags, acid
burns, broken stitches, melting, snags, tears, cuts, discoloration
What should never be done while inspecting a wire rope? - Answers - Open it to expose
the core
A few things to be checked for in a wire rope inspection are - Answers - Corrosion,
crushed strands, bird caging, high stranding, core protrusion, damaged end fittings, heat
damage from any source
If the horizontal sling angle decreases, the rated capacity - Answers - Decreases
How much does concrete weigh per cubic foot? - Answers - 150 lbs.
, When making a lift in excess of 75% of rated capacity, this would be considered a ? -
Answers - Critical lift
All lifting devices are load tested to how much? - Answers - 125%
How many people signal the cranes on a 2 crane pick? - Answers - 1
On a multi crane pick, each crane should be loaded to no more than what percentage of
its rated capacity? - Answers - 75%
The highest cause of fatalities in crane accidents is ? - Answers - Electrocution
What is a C rated fire extinguisher used for? - Answers - Electrical fires, anything to do
with CURRENT
The weight of a stationary load is called ? - Answers - Static load
What will a properly configured LMI indicate? - Answers - Potential Overload
New signals must be ? - Answers - Equally effective
The minimum distance to pass below power lines with no load and the crane in its
transport configuration is ...? - Answers - 4'
A crane operator must be certified for the _____ and ______ of the crane they will
operate - Answers - Type and capacity
What is the horizontal distance from the center of rotation to the center of the
suspended load called? - Answers - Load radius
A jib is primarily used for ? - Answers - Height
What is the principle of leverage? - Answers - Weight x distance = distance x weight
Whats the formula to find the estimated weight of a square object - Answers - length x
width x height x unit weight
What happens to the rated capacity at a given radius when handling personnel? -
Answers - It is de-rated 50%
The first thing done on site when lifting personnel is ? - Answers - A pre-lift meeting
A critical lift would be in excess of what percentage of rated capacity? - Answers - 75%
What should be tested at the beginning of a critical lift? - Answers - The brakes
