Excavation and Hoisting Equipment Safety, Exams of Nursing

Download Excavation and Hoisting Equipment Safety and more Exams Nursing in PDF only on Docsity! HOISTING 2A1C TEST Questions with 100%Verified Answers Latest Updates 2024 GRADE A+ Define the load or work radius. - ANSWER The region around a machine that must be walled due to its load or swing. What are outriggers? - ANSWER Side extensions increase the machine's stability. How far back from the trench's borders should dirt be pilled? - ANSWER: 2 feet. Is it okay to straddle a trench with a digger? Why? - ANSWER No. It could induce a cave-in. What is a trench? - ANSWER A narrow excavation 5 feet or more below the earth's surface. When the bucket of an excavator operating a short distance away collides with an electrical power line, the operator becomes unconscious. What is the first step you should do after you have safely secured your machine? - ANSWER Determine whether the electrical hazard still exists on the excavator. What is necessary when the operator of an excavator is exposed to overhead hazards? - ANSWER A taxi with shatter-proof glass. Why is the weight kept as low to the ground as feasible during travel? - ANSWER: For improved visibility and stability. Whenever possible, work on a slope. - ANSWER Facing uphill or downhill, never sideways. What is the objective of Dig Safe? - ANSWER To notify utilities of subsurface facilities. 127) What is the angle of repose? - ANSWER The maximum angle above horizontal at which material will remain without falling off. What position should the machine's moving parts be in when not in use? - ANSWER Lower to the earth. If you are unable to see where the work is being done, do not move the equipment until when? - ANSWER Until you have a ground man with a clean vision and the ability to signal you. When is it safe to carry a burden above someone? - Answer: Never. Who is accountable for the machine's safe operation? - ANSWER The operator. Who is accountable for the machine's safe operation? - ANSWER The operator. What are some of the things to look for while starting work? - ANSWER Soft soils, moist places, powerlines, wells, and so on. What should you do when working in a public setting? - ANSWER Use MUTCD. Make the area safe for the public by placing traffic cones and signs. Identify the utility site. Mark the colour for gas, oil and steam? - ANSWER: Yellow Identify the utility site. Mark Out Colours for Communication - CATV? - ANSWER: Orange. Identify the utility site. Mark out a colour for potable water? - ANSWER: Blue. Identify the utility site. Mark Out Colour for Reclaimed Water? - ANSWER: Purple. Identify the utility site. Mark Out Colour for Sewer? - ANSWER: Green. Identify the utility site. Mark Out Colours for Temporary Survey Markings? - ANSWER: Hot Pink. Identify the utility site. Mark Out Colours for a Proposed Excavation? - Answer: White 520 CMR 6.00 prohibits the use of chain slings. What is the approximate weight of a loader bucket filled with earth? - ANSWER: 1500 to 2000 pounds. What is the estimated weight of a loader bucket filled with gravel or stone? - ANSWER: 1300 to 2000 pounds. When can lifting members for attachment to a building or placement in a trench be released? - ANSWER Not till the member is secured. Where is the Dig Safe law located? - ANSWER General Laws of Massachusetts, Chapter 82, Section 40 Who can weld on lifting excavating equipment? - ANSWER Only a welder certified in accordance with Section IX of the ASME Code. What exactly does the abbreviation A.S.M.E. stand for? - ANSWER American Society of Mechanical Engineers. Where are the legislation regarding the breach and punishment of hoisting regulations located? - ANSWER Massachusetts General Laws Chapter 146 Sections 53–55. What exactly does the acronym M.G.L. stand for? - The General Laws of Massachusetts. Why would a DPS engineering inspector revoke a licence for excavation or hoisting equipment? - ANSWER For the protection of public health and safety. What is the fine and penalty for breaking any provision of M.G.L. Chapter 146 or 520 CMR 6.00? - ANSWER Not less than $500 but not more than $3000, or imprisonment for no more than three months, or both. What M.G.L. is in charge of hoisting and excavating? - ANSWER Chapter 146. What is the cost and penalty for prohibiting an inspector from entering on any Where will he accomplish his duty? - ANSWER Not less than $250; not more than $3000. or by imprisonment for no more than three months, or both. What is the punishment and penalty for allowing an unlicensed individual to operate a hoist or Excavating equipment? - ANSWER Not less than $1000; not more than $3000. or by imprisonment for no more than three months, or both. What happens if a wilfully false statement is discovered in the application? - ANSWER Sufficient cause to revoke the licence at any moment. Does putting spoil into the front bucket while digging help to stabilise the machine? - The answer is yes. When digging a trench, is it easier to move the machine forward by raising the stabilisers or not? - Sometimes. Typically, the stabilisers and front bucket are gently elevated, and the machine is propelled forward or backward using the digger arm and bucket. How do you figure out the maximum permitted lift capability for equipment? - ANSWER Refer to the equipment's operation handbook or load chart. When should you conduct a walk-around examination of the equipment? - ANSWER BEFORE OPERATION ON A DAILY BASIS. What is the name of the agency to contact about utility locations? - ANSWER Dig Safe. What is the safest angle of slope for trench walls? - Answer: 43 degrees. When jumping start equipment, which connection should you make first? - ANSWER Positive to Positive What is another way to slope the walls of a trench? ANSWER benching or multiple benching. What are some signs that a trench wall may become unstable and collapse? - ANSWER Small amounts of earth dropping in, water seepage, and surface fissures. What is the definition of a competent individual? - ANSWER A person with the ability to identify existing and predictable hazards and the authority to correct them promptly. Whose responsibility is it to inspect an excavation and worksite for potential hazards? - ANSWER The competent individual. A competent person, an OSHA inspector, and/or a professional engineer must inspect a jobsite on a daily basis, true or false? - ANSWER False. Only a competent individual is required for a daily site inspection. What are the three trench-safety system options? - ANSWER Proper sloping, shoring, or sheltering. What are the four categories of soil classification? - ANSWER Stable rock of Type A, B, or C. Which sort of soil classification is the most unstable? - Answer Type C What sort of soil classification is the most stable? - ANSWER Stable rock. What posture should the front bucket take during digging? - ANSWER The front wheels are off the ground. When shouldn't you use a hoisting machine? - ANSWER When your focus is diverted elsewhere or you are not in good physical or mental health. When should you grease (lubricate) the machine? - ANSWER When it is noisy, do it every day as needed or on a set schedule. Is the loader bucket generally operated in idle or advanced rpm mode? - ANSWER Idle mode only A new or inexperienced operator should dig carefully and use the machine's brakes. - The answer is true. It is the operator's responsibility to warn anyone in the trench that there is a risk of wall collapse. - The answer is true. Internal failures of a hydraulic system or cylinder may have an impact on the controls. - The answer is true. On a three-lever machine, what does each lever control? - ANSWER The first (or left) lever controls the bucket. The second (centre) lever controls the arm or dipper, while the third (right) lever regulates the reach. Foot pedals control both the left and right swing. What percentage of available rpms would you run the throttle at when running the backhoe bucket? - ANSWER Between 50 and 95 percent of full velocity. Which organisation established the hand signals for hoisting that are recommended by 520 CMR 6.00? - Answer NIOSH What are the "quick exit" standards for trenches and excavations? - ANSWER A ladder, stairs, or ramp must be less than 25 feet away from a worker. Ladders should be 3 feet over the edge of the trench. Who is allowed to operate an excavator? - ANSWER Only the licensed operator What steps must be taken before beginning the destruction of a building? - ANSWER The Department of Public Safety has been notified. Ensure that the building is unoccupied and all utilities are turned off. What should you do with the lift truck's prongs while it's not in use? - ANSWER Lowered to the ground. What is an excavation? - ANSWER A hole, opening, or cut created in the earth by digging, scooping, or removing soil. What should happen when a lift truck is parked? - ANSWER Lower the forks, cut off the engine, apply the emergency brakes, remove the keys, and chalk the tyres. What would you do if the boom of your equipment came into contact with a high-tension electrical line? - ANSWER Stay in the machine and call for help. If you have to jump out, do it with all of your limbs and shuffle away. Call DPS within one hour. What parts of your machine would you inspect every day? - ANSWER Circle check for fluids, lights, tyres and so forth. Is it okay to undercut the sides of an excavation? - Answer No. List three possible sources of "superimposed loads" near a trench or excavation. - ANSWER: Tools, equipment, trucks, spoil, machinery. What exactly does ANSI stand for? ANSWER: American National Standards Institute. What exactly does NIOSH stand for? - ANSWER National Institute for Occupational Safety and Health What exactly does MUTCD stand for? ANSWER Manual for Unified Traffic Control Devices. What clause governs the mechanical mode of demolition using a swinging weight, clamshell bucket, power shovel, backhoe, front-end loader, or Tee bar? - ANSWER The maximum height is 150 feet, excluding chimneys, silos, and towers. A third of the height must be protected below. What's the best way to load a truck? - ANSWER From the side, not the back, and working from front to back. How do you approach the truck? - ANSWER Slow and Square How should you get the load to the truck? - ANSWER Low to the ground and no higher than 18" How should the bucket be positioned when loading from a stockpile? - ANSWER Parallel to the pile, low to the ground. What should you avoid doing while driving a loader down a hill? - ANSWER Raise the bucket. How far should you remain from electrical lines? - ANSWER 10 feet up to 125 KV, 15 feet between 125 KV and 250 KV, and 25 feet above 250 KV. What can induce fishtailing while pulling a caravan? - ANSWER Incorrect weight distribution, low tyre pressure, high speeds, and bad road conditions. Is it best to backfill a trench using the side of the bucket in a sweeping motion? - Answer No. It may induce mechanical failure. Dipper stick extensions are used for what? - ANSWER Attached to the backhoe to provide increased digging depth. When hauling rather than trailering, use a backhoe or loader. What speed should you not exceed? - ANSWER 5mph What does "articulate" imply on a loader? - ANSWER Bends in the centre What is the safest way to get into or out of a digger? - ANSWER: Three points of touch; never depart forward. What is the three-point entry or exit method? - ANSWER Two feet and a hand, or two hands and one foot, are always on some portion of the apparatus. What is meant by the phrase "coupling the brakes"? - ANSWER Mechanically connecting the two brake pedals to function as one. What method should be followed in the event of an injury that necessitates hospitalisation or emergency care by a medical practitioner or nurse? - ANSWER Notify the DPS as soon as the wounded person is treated, and preserve a record on file at the job site. What are the three roles of the hydraulic tank? - ANSWER Reservoir, expansion, and cooling. What is the punishment for operating without a licence? - ANSWER Possible incarceration. Up to ninety days. The penalties ranges from $500 to $3000.e What method must be followed in the event of a death, according to state law? - ANSWER Notify the DPS within one hour. Do not disturb the area; merely remove the body. What should you do if a gas pipe ruptures? - ANSWER Evacuate the building; notify the fire department and gas company. Notify the DPS within an hour. Can guards and safety devices be removed from hoisting equipment? - ANSWER Only for servicing. The machine must be shut down and marked out. Name the five essential components of a hydraulic system. - ANSWER reservoir, pump, pressure relief valve, hoses, piston, and manifold. A diesel engine is speeding away and surpassing its RPM. How can you rapidly stop the engine? - ANSWER Smother the air intake. A fire extinguisher will do the trick. How many pounds are in a typical tonne? - ANSWER: 2000 pounds. When should the angle of repose be flattened? - ANSWER: When the pile is too steep or the earth is saturated. What are the requirements for a nylon sling, chain, or wire rope? - ANSWER A rating tag. What weights do you use to calculate the weight of a lift? - ANSWER: Everything below the lifting pin. How does one shorten a chain for hoisting? - ANSWER You do not. Get a shorter chain. What is the number one fuel oil? - ANSWER: Kerosene. What is the number two fuel oil? - ANSWER Diesel. When would you use number one fuel oil, and why? - ANSWER In the winter, thin the fuel to prevent it from jelling and fire hotter. If the digging equipment strikes a gas line, electric line or other utility line, the operator must notify the DPS within what time frame? - ANSWER: 1 hour. S.A.E. hand signals must be used while excavating. Define the abbreviation S.A.E. - ANSWER Society of Automotive Engineers. How close can you dig to utility wires using a machine? - ANSWER: 2 feet. Do you need to mark the area to be excavated before alerting Dig Safe? - ANSWER: Yes. What size of fire extinguisher is required for hoisting equipment? - ANSWER: 5lb B C. What form of system is used to work on de-energised circuits? - ANSWER: A lockout-tagout system. All welding and cutting on hoisting equipment must be performed in accordance with the What exactly are the requirements? - Answer A.S.M.E. Chapter 9. 76) What objects should be checked during a daily inspection? - ANSWER Brake and backup alarms, lights, hoses, tires, tracks, fluids, and a horn. (Circle Check) How frequently should excavating machines be inspected? - ANSWER Daily circle check How often should the rigging be inspected? - ANSWER A visual check is performed at the beginning of each job, followed by a full examination once a month. What are some components of the rigging? - ANSWER Wire rope, sheaves, chains, drums, spreader bars, slings, and straps. When using a machine, how should you leave it? - ANSWER Everything dropped to the ground, engine off, gearbox in neutral gear, brake on, master electric switch off, locked and keys taken away. Are hydraulic systems high or low pressure? - ANSWER High levels of pressure. What causes the starvation of hydraulic systems? - ANSWER Low fluid, clogged filters, kinked hoses, etc. What three items are required when refuelling lifting or excavation equipment? - ANSWER Turn off the engine, shift into neutral, apply the emergency brake, and avoid smoke or open flames. List some reasons why you should replace your hoses. - ANSWER Cracked, bulging and tattered. What is "superimposed weight" surrounding a trench or worksite? - ANSWER Above-ground pressure on the trench sides. Spoil piles, machinery, and vehicles. What constitutes a Factor of Safety? - ANSWER All crane and support elements are designed twice for their intended purpose. How can you test the brakes of a lull (rough terrain) forklift? - ANSWER Pump the pedals, drive slowly, and apply the brakes. What is the classification of hoisting systems? - Answer: 520 CMR 6.00. What are the requirements for securing an excavation? - ANSWER Make it safe for the public by covering holes at night or erecting a fence or barricade. What should you do if someone enters your zone of safety? - ANSWER Stop the machinery and get everyone out. What does a fuel injector do? - ANSWER Distributes a metered amount of gasoline to each cylinder. Hooks and shackles should be composed of what? - ANSWER Drop-forged steel. What information should you have about the load you're picking up and your machine? - ANSWER The load weight and machine capacity. What are some things you should examine when trailering a machine? - ANSWER: height, width, machine weight, and trailer capacity. What is the minimal number of binders needed? - The answer is 4. What is the proper position for the tie down binders? - ANSWER 4: Pull in opposite directions. When may you move between the two portions of an articulating machine? - ANSWER For maintenance purposes only. It must be turned off and labelled off. What limits the lifting capacity of a lull or crane? - ANSWER Pressure relief valve. Can hydraulic hoses be tightened under pressure? - Answer No. Is it obligatory to use a seat belt? - ANSWER: Yes. Does every machine require a backup alarm? - ANSWER: Yes.