Engineering Principles and Practices

• The change-over lever in a lever hoist is in the lever hoist
• Dynamo eyebolts are only suitable for vertical lifting
• Malleability is a material's ability to deform under compressive stress
• Heat treatment removes stresses and improves a material's properties
• A testing machine with a maximum inaccuracy of ±2 fails under class 2
• A dye penetrant test detects cracks on a material's surface
• A wire rope used in jaw winches has one end tapered and fused
• The correct heat treatment sequence is heating, soaking, then cooling
• The plastic extension range in a tensile test stress/strain curve is between the yield point and tensile strength
• Underslung cranes run on the bottom flanges of crane tracks
• Kelvin is not an imperial unit of measure
• A metric tonne is approximately 1000 kilograms
• Assessing and managing risks include financial costs, human harm, and legal effects
• A machine with a velocity ratio of 90 and a mechanical advantage of 30 has an efficiency of 33%
• A top running bridge crane runs on top of the rails that form part of the crane supporting structure
• Offshore containers have pad eye lifting points for specialized lifting sets
• Toughness refers to a material's ability to absorb energy and plastically deform without fracturing
• 10 KN is equivalent to 1016 kg
• Pneumatic hoists can be commonly found in intrinsically safe areas
• A switch can be found in a vacuum lifting device
• Slewing jib cranes are used to supplement bridge cranes
• Offshore pedestal cranes have boom hoists that run from the top of the crane house to the boom tip to control the radius of the lower blocks
• Collared eyebolts and eyebolts with a link incorporate an undercut to allow the eyebolt to seat fully with the load
• A cwt (hundredweight) is equivalent to 50 kg
• Forming an eye by passing the ferrule over the rope, bending the rope back, and pressing the ferrule describes a turn back loop
• A runway beam with single column supports is a goalpost gantry
• Ductility is the mechanical property describing a material's ability to be plastically deformed under tensile stress without fracture
• ISO 7500-1 machine classes are 0.5, 1, and 2
• A machine with a velocity ratio of 120 and a mechanical advantage of 30 has an efficiency of 25%
• A green ID label identifies a polyamide textile sling
• Hardness is a measure of a material's resistance to permanent shape change under compressive force
• Tower cranes are widely used for lifting operations in the construction industry
• A relevant engineering degree is not an important element of competency
• Short link steel chain and steel wire rope are principle lifting media in power-operated hoists
• The mechanical advantage of a manual machine lifting a 50 kg load with 5kg of effort is 10
• Local necking is a reduction in material cross-section when a material under load exceeds its maximum tensile strength
• Stress formula: Load / cross sectional area
• Lifting reeving thimbles provides a sling to be used in a choke hitch
• A report of thorough examination details defects found or a fit for is issued by a competent person
• A material's yield point refers to a sudden permanent extension
• Turning moment/moment of force formula: Force x distance
• A truck with a lifting appliance for raising, lowering, and traveling loads is a runway
• Legislation defines a rule made and maintained by an authority
• Magnetic particle inspection detects surface cracks and laminations in ferrous/magnetic materials
• Brass is an alloy of copper and zinc
• A duty holder in lifting equipment is a person responsible for the equipment that they own and use
• A soft eye comprises of a loop made in the wire rope secured by a ferrule or hand splicing,
• LEEA's COPSULE= Recommended code of practice
• Modern electric power operated hoists have low voltage control in the range of 24v to 50v
• Aluminium is used to make ferrules for wire rope slings
• City cranes often require heavy transport to move them long distances
• The charpy test involves a specimen supported at two ends and struck opposite the notch by a pendulum
• Collared eyebolts must be fitted with a shackle for correct use
• Grade 4 steel has a breaking strength of 400 N/mm²
• Resin is a synthetic polymer
• The changeover lever in a lever hoist in neutral sets the chain to set the chain to the required length to ready to lift
• ACoPs are by relevant authorities with consent of a government official
• A protective insert fitted to the eye of a wire sling is a thimble
• Dynamic motions that an offshore container will experience are factors for specifically designed containers
• A C hook is suitable for lifting a steel coil

Crane Information

• Deck Crane and Yard Crane- Cranes can be used to carry small load on platform
• Crane textile sling label is Blue
• Lifting sets for offshore containers have a top leg because it allows to connect rigger to the crane hook without operator intervention of rigger standing on container
• Materials to retain dimensions when stress removed is plasticity.
• The Flash line is drop forged
• The 2 leg chain sling rating using the goniometric method is 2 x WLL of single leg x cos Β
• The single most important property of materials used in lifting equipment is ductility
• Assemblies of lifting devices, bridges, trolleys and tracks with their suspensions: Light Crane System
• Formula of rating a sling using uniform load method is 1.0 x WLL of a single leg when angles are 45 -60
• Which assess how material resists deformation from its original shape :Strength

Tensile Stress

• In tensile stress/strain curve, local necking ranges between tensile strength and ultimate breaking stress
• Strain is measured- Change in length ÷ original length

Load

• The specified Load in mass/force equipment fails, distortion and/or released: Maximum breaking load

General Lifting Information

• What's considered a 'lifting appliance?': Lifting device or machine
• In the context of flat woven webbing sling, which aspect is not included? Core
• Folding Gantry crane is for locations where regular dismantling and transportation is needed

Testing

• The minimum load/force for a test machine display, within the required accuracy, is: The lower limit of calibration
• The Rockwell test measures hardness
• A 'turntable' can be found on Light crane system
• What is calculated using the formula of length change ÷ original length?: Strain
• Areas where lifting cranes are not effective to install a permanent lift? Mobile Gantry
• Equipment manufacturers must meet standards by national Law to allow for lifting: ISO 12100 - safety of machinery
• What runway type is a cantilever? Built-in Sides
• What "inspection" focuses on key component between thorough examinations? Interim Exam

Safe Working Load

• A maximum load assessed by a Competent is a Safe Working Load
• When hoist powered by Hydraulics what operational advatange is there? Smooth and Accurate

Sling information

• What is the only method to harmonize standards when rating slings? Uniform load method
• What formula is used for mechanical advantage? Load ÷ effort

Operation Considerations

• Crane designed for confined spaces: City Crane
• 1 meter is equivalent to 3.28 feet
• What force is exerted with a lifting jack that's under load? compressive

Weight Measurements

• 1 Ton (US) is equivalent to 0.907 t

Process of Standards

• To create any type of International standard what sequence is followed? Discussion, draft, comment, publication
• Who is responsible for health and safety? Employer

Steel

• Grade 8 (T) steel has a breaking strength is 800 N/mm²
• An example that is used for when lifting or pulling loads is jaw winch
• During a test where material cannot handle any increase of stress due to reduction of load is labeled as: Ultimate breaking stress

Material Aspects

• Elasticity describes when material is brought back to it's original dimensions
• What is the basic operating principle of a journal jack? When operating lover it turns internal gears and allows driving the shank in the jack
• Vickers, Brinell and Rockwell all test hardness
• Runways supported by existing building structures are known as a built in runway
• Ultimate breaking stress is during test where load increases stress the material obtains load with a load reduction.
• Manufacture meets the standards: verification
• Breaking any equipment by fracture or distortion but has too much load release is known as? Minimum Breaking point
• Imperial Ton is equivalent to 1016 kg

Important Inspection components

• What is the purpose for finding the hole in aluminum ferrules? Allows a tail to be checked when inspected
• What test measures impact? Izod
• The common type of industrial powered lifting device is electric hoist
• Manila is a not a type of fiber material
• Joining 3 or more items can use? Bow shackle
• What is efficiency for testing a device? MA + VR X 100%
• What machine can operated by hand for mechanical advantage? Hand Chain Block
• Oxidation with oxides that are finished with steel: Strain age embrittlement
• Monel metal has Nickel, aluminum, copper, manganese and Iron
• Tensile tests are identified with grade mark 4 or M
• High Tensile steel is medium carbon steel
• Nickel and copper alloys with small percentages of metals: Monel
• Working Coeeifeient is labeled as safety
• Bronze is made of Copper and tin
• Where can you find a slewing crane? Maintenance Shop
• Rope becoming stuck in the winch if oversized leads to winch malfunctioning
• A type of design with gantry with capacity usually at 5t is A Frame
• Grade is equal too 40
• Wide areas with floor 360 degree coverage needs? Slewing Jib Crane.
• A increased number of chains or rope increases load that is applied when lifting machine.

General Lifting

• "Carriers beams" are installed in "Underslung Crane
• Pair of eyebolts with the same capacity each eye of the bolt doesn't exceed 5 degree
• Factor applied by the user to get maximum lifting capacity when assembled- Mode factor

Material

• A measure of permanent shape after load is applied= Hardness
• A bad result of powered lifting= Lower running costs
• An inspection hold is provided? Rigging Screw
• Add of Aluminum to improve resistance to corrosion=12%
• Employers have requirements to keep the company workplace complaint with code of ethics= Moral Duty of Care

Mechanics

• The Packeted wheel in Electric Chain Hoist
• Force x distance- Definition of Work
• T, DT & DAT- Grades of chain used
• 1 inch equals to 25.4mm
• Can stand impact- A ductile material
• Equipment that is track loaded- Light Crane
• Capacity that's tested and approved? Rated Capacity
• When steel is strained and rested and then warm and very brittle? Strain Age Embritlement

Covers a range of engineering topics including lever hoists, material properties, heat treatment, testing methods, and crane systems. Also includes risk management, units of measure, and calculations of mechanical advantage and efficiency.