2a Hoisting license – Flashcards
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What is the purpose of the swing gear on an excavator
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It connects the car body to the tracks
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Who is responisble for inspecting a trench before anyone goes in it
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The equipment operator
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What is the prefered sling angle
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60*
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The top of the spoil pile is called
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The crown
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A four footbdeep trench requires an additional ladder for each _ of open trench
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25ft
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Materials mist be kept back from the edge of the trenxh a minimum of
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Two feet
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When can inspector revoke a hoistinf licence
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Failure to pay excise tax
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Who developed the ma crane hand signals
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Ansi / asme
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Dot stands for
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Department of transportion
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When do you do your walk around of the equpiment
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Before you start it
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In the one to one sloping ratio what does the 2nd one represent
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Depth or verticle rise
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On a track machine the gears should be where
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In the rear
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When load leveling when do you deploy your stablizers
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Before you make the lift
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When backfilling an excavation you should use a
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Small lift , shade the ditch
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In the state of MA what criteria require a hoisting license
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More than 500lbs Height greater than 10ft Bucket bigger than 1/4 yard
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What tyoe of saftey system isnused on de-energized circuts
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Lockout tag out total de energization
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In what time should you contact departmant of public safety if a death occurs
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Withen one hour
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How many lbs in 1 ton
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2000
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All welding and cutting on hoistinf equipment shall be done in accoradance with the requirments of what
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Aws Asme codes
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What items should be checked on a daily basis
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Fluid levels, hoses tires belts horn backup system brakes and controls
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What action does a signal person intend the operator to preform if he extends his arm at shoulder height makes a fist with his hands and sticks his thumb up
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Boom up
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What type of protections should be given to operators
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Protection from weather Saftey glass Heat in cold weather Over head protection
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What law governs hoisting equipment in state of ma
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Chapter 146 of general laws 530 cmr section 6
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How do you test the load brake on a LULL
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Lift the load just off the ground and return the boom handle to the neutral postion
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How do you find the weight of a load
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Shipping papers Data tags Use a scale Calculate weight
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What must be stamped on all load rating plates
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Serial number of unit
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The boom of the unit you are operating comes in contact with an energized power line theres no sign of any other danger such as fire what should you do
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Stay in cab until lines are de energized
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Can you prohibit the dept of saftey from comming on your property
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No
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Before digging anywhere who do you call and how much notice
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Dig safe 811 72hours 30 days
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How is the fuel of a diesel engine ignited
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High heat generated by compression Fuel under pressure
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What do you do if uou machine comes in contact with an overhead or under ground power line
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Stay on machine Warm people to stay away Try to break the contact Call power company Notify public saftey within 1 hour
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What do you do if you dig up a gas line
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Extinguish all open flames and lights Keep people away Evacuate the building in tje area Do not bury the leak Call utility company Call police and fire department Notify dept of public safety
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How many cubic ft in a yard
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27
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How much does acubic ft of concrete weigh
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150lbs
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How much does a cubic ft of steel weigh
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490
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What does a class 1c hoisting license cover in ma
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Any type of ewupiment that has a boom without wire rope
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Which of the following cannot be used for lifting Nylon slings chain or wire rope
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Chain
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How far away do you put the spoil pile
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2ft away is osha minimum
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How far away from the edge of an excavation should you position the machine
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1- 1.5 times the depth of the excavation minimim
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What is the defination of a trench
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A narrow excavation not motr than 15 ft wide or 5ft in depth
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How do you protect workers in a trench
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Shoring Benching Shielding Sloping
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Working radius or load radius is defined as the distance from what to what
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The center of rotation of the crane to the center of the load
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How do you get buried worker out of a hole
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Hand dig
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Can you lift workers out of a hole
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No
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At what depth is it required to have a ladder ramo or stairs in the trench
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4ft
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How many ladders are required in a trench
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1 every 25ft
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When is it permisable to work under a load
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Never
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What is the primary purpose of stabalizers
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Provides latersl stabalization for the unit
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What should you do if someone enters your area if safety
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Stop and ask them to leave
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What do fuel injectors do
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Deliver fuel under high pressure to the combustion chamber
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What type of material should all hooks and shackles be made from
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Drop forged steel
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Do you need a hoisting license on private property
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Yes
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Do you need a fire extinguisher on a hoisting machine
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Yes 5lb be type
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What governs the hydraulic hose under pressure
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Pressure relief valve
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Can you tighten a hydraulic hose under pressure
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No
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Is it mandatory to wear a seat belt
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Yes if it is equipped with a rops system
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What are the two major components in a ROPS system
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Seat belt Roll over protection can or bar
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Why is the load kept as low to the ground as possible when traveling
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Good visibility Good stability
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Whenever possibly what is the best way to work on a slope
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Up or down the slope Keep loads low to the ground
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What position should the bucket be in when traveling
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Low to the ground Rolled all the way back
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If you cannot see where the work is being done , do not move the machine unless what
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You have a qualified spotter
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What do you do with open holes or trenches at the end of the day
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Back fill Cover Attend French surround with 6ft min and no holes bigger than 4 inch
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A crack in the windshield is okay as long as
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It causes no visible distortion that would interfere with safe operation
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What should you do when working on a public way
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Police detail Roadway flagged Set up cones Set up barricade Set up warning signs
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What should you do with the equipment when you leave the work area
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Park on firm level surface Chock wheels Secure the equipment Remove keys
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Can an internal combustion engine be operated in a confined space
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Yes if the area is ventilated
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Who is allowed on a lift truck other than operator
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No one
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What is the purpose of a thimble at the end connection
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Protects wire rope, maintains the diameter of the eye
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What is the purpose of dig safe
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To locate and mark member utilities
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What is the minimum distance between your machine and an overhead power line
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10ft up and up to 50,000 volts
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When not in use what positions should the moving parts of the machine be placed
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Lowered to the ground
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Who is responsible for the safe operation of the machine
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The operator
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What is a tag line
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A line used to control the loads being handled by hoisting equipment
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When can you carry a load over people
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Never
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What should you look for before starting work
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Soft soil Wet areas Power lines Wells Under ground storage tanks
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Who is allowed on the backhoe other than the operator
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No one
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At what intervals should your equipment be insepcted
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Daily Monthly for rigging equipment 90 day complete inspection
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When do you need a gas test
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Whenever you open the ground and smell gas
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Lost three things that are required when you refuel a machine
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No open flames withen 25 ft Fire extinguisher nearby Ground the nozzle before refueling
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List the 3 main superimposed loads you should be aware of
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Weight of spoil pile Weight of the machine Traffic adjacent to work area
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What is the best way to load a truck
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Driver side of truck Square to the truck body Driver in truck
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How should you carry the load with front end loader
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Bucket low to ground Bucket curled all the way back
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How close to a marked utility can you dig with a machine
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18 inches to either side of the mark Dig safe requires hand digging in the safety zone
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When should you couple the brakes
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When driving on public roads Loading and unloading on trailer
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What is a slow moving vehicle placard
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Red triangle orange center 25mph max
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What type of hoisting license do you need to operate a manlift
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None if it only handles people
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What type of hoisting license do you need to operate excavating equipment
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Valid drivers license 2a,2b, 2c
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What is considered to be a quick exit from a trench less than 25' in length
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Slope at one end Stairs cut into end of trench Stairs or benching not and option in c soil
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What is shoring
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Mechanically reinforcing the side the side walls of the trench to prevent cave ins
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What are out riggers
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Side extensions that add lateral stability to the machine
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Can blocking be placed under outrigger beams
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No only under the jack pads
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What are dipper stick extensions used for
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Are used to give the backhoe additional digging depth
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What does the articulate mean on a wheel loader
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Bends in middle
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What is the safest way to enter and exit a backhoe
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Facing vehicle step down or up Use hand and foot holes Using 3 point rule
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When filling in a trench is it advisable to use the side of a backhoe buckets in answering motion
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Don't use side of buckets Scoop the fill up Push it with front of bucket
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How should you position the bucket when loading from a stockpile
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Bucket parallel to the ground
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What is a clutch disconnect
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Applies wheel brakes and disconnects the torque converter at the same time
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What is load radius
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The horizontal distance from the center line of the rotating equipment to the center of gravity of the load Governs the lifting capacity of the machine The shorter the radius the more the machine can handle
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What must be done before persons are permitted to work underneath or between parts of construction and or demolition equipment which are suspended or held apart by the use of slings or hoist
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The equipment must be blocked or cribbed in place
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What is the minimum number of positions thy must be on all load charts for boom cranes
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4
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What must be done before starting demolition of a building
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Call dig safe Make sure the building is empty All utilites should be disconnected
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How often must hoisting licenses be renewed
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Every two years
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Beside your hoisting license what should be in your possession
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Valid drivers license
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What precautions must be taken when working in trenches
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Proper shoring No standing water Ladders Gas test as necessary
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Is it allowable to undercut the sides of a trench
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No it may cause collapse V the trench
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What are the parts of a wire rope clip
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U bolt Saddle Nuts
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When terminating a wire rope the saddle goes on what side of the wire rope
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The live or loaded side
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How do you position a lull for lifting
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Level on a firm bearing surface
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What is the stability triangle
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The distance between the two front wheels to s point on the center of the rear axle
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How do you shut down a Diesel engine
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Shut off fuel supply
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How do you shut off gas engine
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Shut of ignition
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How do you shut off runaway diesel
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Shut off air supply
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What is the difference between a two cycle engine and a four cycle engine
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Two cycle fires on every revolution of the crankshaft 4 cycle fires every other
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What are the major components of a hydraulic system
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Tank Pump Relief valve Open port control Lines and hoses Piston
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What weights do you add to determine the actual weight of the lift
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Rigging Any load handling device
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When Removing a battery from a Diesel engine which terminal do you disconnect first
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Negative
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What is the difference between the hydraulic system on a crane and the system on a front end loader
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Check valves on a up lift Pistons on cranes
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When traveling cross slop with a front end loader and you starts to tip what should you do
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Place bucket on ground Steer down hill
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What is the fulcrum point of a forklift
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Front axle
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When operating a forklift the center of gravity must remain where
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Inside the stability triangle
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What is the angle of repose
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The angle of the spoil pile to the ground
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How does the fuel in a gas engine ignite
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Air Combustion caused by spark
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What does a governor do on an engine
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Limits rpm
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What is the weakest part of a hydraulic system
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Hose
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Why would you replace a hydraulic hose
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Leak Blister Swelling Bad end fitting Excessive external wear
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What would cause the controls to feel spongy
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Air in the system Low fluid Kink in line Bad filters Too many Rpms
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What is an excavation
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Hole in ground
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When carrying a load on a fork truck what position should the forks be in
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Close to the ground Rolled back all the way
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Industrial fork trucks have what type of steering
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Rear wheel drive
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What department enforces the hoisting laws in ma
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Department of public safety engineering sections
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How do you gain traction when driving a backhoe loader up a hill
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Add material to bucket
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What do white lines flags or stakes mean in work area
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Pre mark lines for dig safe
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If you cannot get all of your out riggers out all the way what should you do
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Reposition the equipment before trying to make the lift
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What precautions must be taken when working in the bacon it's of overhead power lines
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Proper barricades or warning signs Notify the power company Maintain proper clearance from the lines
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What type of steering systems are found on industrial fork lifts
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Rear wheel all wheel of crab steering
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When preparing to hoist a load where should the hook be positioned
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Directly above the loads center of gravity
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As you boom down the leverage of the load on the crane will do what
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Increase
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Where is the load center located on most industrial lift trucks
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Genrally 24 inches forward of the load backrest
