Download MA Hoisting License 1 B Exam Questions and Answers| Latest Update 2026/27 and more Exams Construction in PDF only on Docsity!
MA Hoisting License 1 B Exam Questions and
Answers| Latest Update
Where shall the hand signals for the machine in use be posted On the job site Where is it best to connect slings to lift boom sections End fittings All manufacturers load charts and operations manual shall be kept On the machine When shall wire rope be taken out of service if used as a running line for hoisting Six randomly distributed broken wires in 1 lay When shall wire rope be taken out of service if used as a running line for hoisting Three broken wires in one rope lay What is the major reason for mobile crane accidents Improper crane setup
What happens to the jib capacity as the jib angle to the ground increases Increases When first lifting the boom off the ground, which position should the gantry be in? Highest When dismantling a lattice crane boom which pins should be removed first Bottom The distance from the center rotation of the crane the center of a freely suspended hoist line is called Radius What is it called when the ultimate strength of an object is divided by the safe working load for that object Safety factor The point about which a crane tips is called Tipping axis Which percentage of tipping is a crawler crane's stability rated at 75%
What are the two main factors that limit modern day crane capacity Structural strength and stability When The Values Fall Between The Ratings Shown In The Load Chart For For Boom Angle, What Ratings Should Be Used Next Higher Boom Angle When Hoisting Personal With A Personal Cage , Crane Hoist Lines Shall Be Capable Of Supporting At Least How Many Times The Maximum Intended Load 7 When Hoisting Personal With A Personal Cage, Crane Hoist Lines Using Rotation Resistant Wire Rope Shall Be Capable Of Supporting At Least How Many Times The Max Intended Load 10 A Choker Hitch Is Rated What Percentage Of A Vertical Hitch 75%
All Chain Slings Used For Overhead Lifting Shall Be Made Of What Material Alloy Grade 80 Or Above The Recommended Safe Lifting Angle For Slings Is 60 Degrees At What Depth Must Shoring Or Sloping Be Used 5 Feet In Most Backhoe Operating Situations The Throttle Should Be Set At 75% Open How Big Is The Dig Safety Zone In Massachusetts 18 Inches On Easy Side Of The Facility When Non Rotating Wire Rope Is Used In A Edge Socket Care Must Be Taken To Prevent Core Slippage
When Using The Recommended Safe Lifting Angle, Determine The Distance Between Lift Points Off N The Load Using 12 Foot Chokers 12 Feet At What Angle To The Horizontal Will The Stress On Wash Sling Leg Be Equal To The Load Weight 30 Degrees Sudden Movements Or Shock When Raising Or Lowering The Load Will ________ The Stress On The Rigging Increase A Wire Rope Hook Around An Object Of Equal Diameter Such As Another Wire Rope Or Bolt Will Have A Breaking Strength Rating Of 50% When Preparing A Lift The Maine Considerations Are All Of The Above
When Properly Applied To An End Connection, Wire Rope Clips Will Develop What Percentage Of The Rope Strength 80% What Type Of Wire Rope Has Wires And The Strands Laid In The Same Direction Lang Lay A Matched Set Of Chain Slings That Has One Set Longer Then The Other Is An Indication Of Stretch Any Portion Of A Chain Sling Worn By _______ Should Be Removed From Service Immediately 15% When Non Rotating Wire Rope Is Used In A Wedged Socket Care Must Be Taken To Prevent Core Slippage
CFR 1926. 550 (14-1) Requires That A Fire Extinguisher Of What Rating Shall Be Available On All Hoisting Machinery 5 BC Minimum The Sling Angle Has On The Capacity Of What The Sling For Good Operator Vision And Stability, Where Should You Keep The Load Bucket As Low To The Ground As Possible True Of False The Is A Corresponding Change In The Center Of Gravity In The Stability Of The Machine True True Or False The Steeper The Work Area The Greater The Danger True
Who Is The Person Best Qualified To Inspect Slings The Rigger The Rated Capacity For Each Load Hook Is Where Stamped On The Hook When Should A Thorough Inspection Of Hoisting Machinery Be Made By A Competent Person Or By A Government Or Private Agency Recognized By The Us Department Of Labor Every 90 Days On Rigging Equipment For Material Handling, What Do The Welded Alloy Steel Chains Have Permanently Affixed A Durable Identification Tag When Moving In Reverse All Earth Moving Equipment Is Required To Have An Audible Alarm System Or Signal Person
