Course 158 Crane Safety Basic
Questions and Answers_100% A+
Graded (Review Exam)
What is defined as "the ultimate load divided by the working load"? - CORRECT
ANSWER-The safety factor
What is the Halliburton Best Practice minimum allowed sling angle during lifting
operations? - CORRECT ANSWER-60 degrees
What is the #1 cause of crane fatalities? - CORRECT ANSWER-Electrocution
What is defined as "the amount of tension load that is to be applied to the lifting
equipment in test to re-certify it for another year of service"? - CORRECT ANSWER-
Proof load
Which of the following is the strongest sling configuration? - CORRECT ANSWER-Basket
How often must sheave wheels be load test certified? - CORRECT ANSWER-Annually
How often must shackles and clevises be load test certified? - CORRECT ANSWER-
Annually
No modifications of additions which affect the capacity or safe operation of the crane
shall be made without? - CORRECT ANSWER-Manufacturer's approval
What are critical failures? - CORRECT ANSWER-Weight of the load exceeds 80%
, Complexity of the lift
Consequences of failure
What are the maximum number of slings for calculations? - CORRECT ANSWER-3 sling
legs
What is the load angle factor? - CORRECT ANSWER-Sling Leg / Height from the pick
point
How do you get the tension in each sling leg? - CORRECT ANSWER-Load x Load Angle
Factor / Number of Sling Legs
What are the colors for even years? - CORRECT ANSWER-Yellow and Light Blue
What are the colors for odd years? - CORRECT ANSWER-Orange and Green
Lifting equipment could be? - CORRECT ANSWER-Rig up equipment
Lifting slings
Tool lifting caps
What is the breaking strength of a new wireline? - CORRECT ANSWER-50%
What is defined as "the maximum allowable tension load that can be placed on a piece
of equipment"? - CORRECT ANSWER-Working load
What is hook load? - CORRECT ANSWER-The load above the top of the sheave
What does re-certification include? - CORRECT ANSWER-Proof test
Is color coding mandatory? - CORRECT ANSWER-Yes
Questions and Answers_100% A+
Graded (Review Exam)
What is defined as "the ultimate load divided by the working load"? - CORRECT
ANSWER-The safety factor
What is the Halliburton Best Practice minimum allowed sling angle during lifting
operations? - CORRECT ANSWER-60 degrees
What is the #1 cause of crane fatalities? - CORRECT ANSWER-Electrocution
What is defined as "the amount of tension load that is to be applied to the lifting
equipment in test to re-certify it for another year of service"? - CORRECT ANSWER-
Proof load
Which of the following is the strongest sling configuration? - CORRECT ANSWER-Basket
How often must sheave wheels be load test certified? - CORRECT ANSWER-Annually
How often must shackles and clevises be load test certified? - CORRECT ANSWER-
Annually
No modifications of additions which affect the capacity or safe operation of the crane
shall be made without? - CORRECT ANSWER-Manufacturer's approval
What are critical failures? - CORRECT ANSWER-Weight of the load exceeds 80%
, Complexity of the lift
Consequences of failure
What are the maximum number of slings for calculations? - CORRECT ANSWER-3 sling
legs
What is the load angle factor? - CORRECT ANSWER-Sling Leg / Height from the pick
point
How do you get the tension in each sling leg? - CORRECT ANSWER-Load x Load Angle
Factor / Number of Sling Legs
What are the colors for even years? - CORRECT ANSWER-Yellow and Light Blue
What are the colors for odd years? - CORRECT ANSWER-Orange and Green
Lifting equipment could be? - CORRECT ANSWER-Rig up equipment
Lifting slings
Tool lifting caps
What is the breaking strength of a new wireline? - CORRECT ANSWER-50%
What is defined as "the maximum allowable tension load that can be placed on a piece
of equipment"? - CORRECT ANSWER-Working load
What is hook load? - CORRECT ANSWER-The load above the top of the sheave
What does re-certification include? - CORRECT ANSWER-Proof test
Is color coding mandatory? - CORRECT ANSWER-Yes
