Fitter Operations and Maintenance
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Questions and Answers

What is the total duration of Professional Skills in hours?

  • 100
  • 120 (correct)
  • 140
  • 150
  • What type of tool is used for parallel turning and feeding?

  • Facing tool
  • Knife tool
  • Roughing tool (correct)
  • Finishing tool
  • What is the purpose of measuring the diameter using an outside caliper and steel rule?

  • To calculate the surface area of the job
  • To check the accuracy of the job (correct)
  • To determine the volume of the job
  • To measure the length of the job
  • What is the main function of the catch plate in lathe operations?

    <p>To hold the job in place</p> Signup and view all the answers

    What is the name of the chuck used to hold the job in lathe operations?

    <p>Four jaw chuck</p> Signup and view all the answers

    What is the purpose of deburring in lathe operations?

    <p>To remove sharp edges from the job</p> Signup and view all the answers

    What is the primary focus when selecting a jig for drilling?

    <p>Desired result</p> Signup and view all the answers

    What is the next step after producing a component using a jig?

    <p>Check the correctness of the job</p> Signup and view all the answers

    What is the primary goal of preventive maintenance?

    <p>To maintain the machine's functionality</p> Signup and view all the answers

    What is the importance of interpreting construction, alignment, and assembly of machine parts?

    <p>To understand the machine's functionality</p> Signup and view all the answers

    What is the primary responsibility of a Fitter (OF)?

    <p>To plan and perform basic day-to-day maintenance</p> Signup and view all the answers

    What is the purpose of putting the machine in operation after repair?

    <p>To check for proper functioning</p> Signup and view all the answers

    What is the importance of complying with standard operating procedures?

    <p>To ensure safety and avoid accidents</p> Signup and view all the answers

    What is the final step after repairing a machine?

    <p>Check for proper functioning</p> Signup and view all the answers

    What is the primary purpose of applying coatings to metals?

    <p>To protect the metal from corrosion</p> Signup and view all the answers

    What is the 'Go' system used for in gauging?

    <p>To ensure the correct assembly of parts</p> Signup and view all the answers

    What is the primary purpose of a screw pitch gauge?

    <p>To check the screw thread</p> Signup and view all the answers

    What is the purpose of a sine bar?

    <p>To check the angle of a surface</p> Signup and view all the answers

    What is the principle of cutting screw thread in a centre lathe?

    <p>Chasing the screw thread</p> Signup and view all the answers

    What is galvanizing?

    <p>A coating to protect metals</p> Signup and view all the answers

    What is the purpose of scraping an external angular mating surface?

    <p>To prepare the surface for gauging</p> Signup and view all the answers

    What is the significance of the number '9.8' on a screw head?

    <p>It represents the property class of the screw</p> Signup and view all the answers

    What is the primary focus of a fitter's professional knowledge?

    <p>Gauges and types of gauge</p> Signup and view all the answers

    What is the purpose of a torque wrench?

    <p>To tighten or loosen screws or bolts</p> Signup and view all the answers

    What is the importance of selecting the right tool for tightening or loosening screws or bolts?

    <p>It ensures the accessibility of the screw or bolt</p> Signup and view all the answers

    What is the purpose of a centre gauge in cutting screw threads?

    <p>To set the tool for cutting internal threads</p> Signup and view all the answers

    What is the primary function of power tools in fastening?

    <p>To tighten or loosen screws or bolts</p> Signup and view all the answers

    What is the significance of 'principle of chasing the screw thread' in cutting screw threads?

    <p>It is the principle of cutting screw threads in a centre lathe</p> Signup and view all the answers

    What is the primary purpose of using a Vernier caliper?

    <p>To determine the accuracy of a measurement</p> Signup and view all the answers

    What is the minimum diameter of a hole that can be drilled and reamed by a Fitter?

    <p>12.7 mm</p> Signup and view all the answers

    What is the purpose of a slip gauge?

    <p>To check the accuracy of a measurement</p> Signup and view all the answers

    What is the name of the device used to measure the taper angle of a cylindrical bore?

    <p>Sine bar</p> Signup and view all the answers

    What is the purpose of lapping holes and cylindrical surfaces?

    <p>To make the surface smooth and even</p> Signup and view all the answers

    What is the name of the type of gauge used to measure the diameter of a wire?

    <p>Wire gauge</p> Signup and view all the answers

    What is the purpose of building up a slip gauge?

    <p>To increase the accuracy of the measurement</p> Signup and view all the answers

    What is the name of the device used to hold a part in place while drilling?

    <p>V-block</p> Signup and view all the answers

    Study Notes

    Fitter (OF) Skills

    • Select suitable jigs for drilling considering desired results and collecting necessary information.
    • Produce components by using jigs observing standard procedures and check the correctness of the job.
    • Comply with safety rules when performing the above operations.

    Preventive Maintenance/Repair

    • Ascertain preventive maintenance/repair procedures as per manual.
    • Select appropriate tools and equipment for undertaking the job.
    • Interpret construction, alignment, and assembly of different parts of a machine.
    • Plan to carry out the preventive maintenance/repair task with appropriate accuracy.
    • Demonstrate possible solutions and agree on tasks within the team.
    • Perform preventive maintenance, dismantle, repair parts, and assemble sub-assemblies of a simple machine.
    • Check for proper functioning of the repaired machine and other parameters as per manual.

    Lathe Operations

    • Produce components involving different operations on a lathe observing standard procedures.
    • Use a dial test indicator for measuring and checking accuracy.
    • Perform lathe operations safely, observing precautions while working on a lathe.
    • Identify lathe specifications, constructional features, and main parts descriptions.
    • Hold jobs between centers using a four-jaw chuck and knife tool.
    • Perform facing, plain turning, step turning, parting, deburring, chamfering, and corner rounding.
    • Measure diameters using outside calipers and steel rules.

    Screw Threads

    • Cut screw threads in a center lathe using a center gauge and setting tool.
    • Understand the principle of chasing screw threads and the use of a screw pitch gauge for checking.
    • Identify different types of screw threads, including square, worm, buttress, and acme.

    Power Tools

    • Practice operating power tools for fastening and tightening bolts/screws with specified torque.
    • Understand the selection of right tools for tightening or loosening screws/bolts.
    • Identify power tools' constructional features, uses, and maintenance.

    Assembly and Fitting

    • Make and assemble components of different mating surfaces as per required tolerance.
    • Perform finishing operations using equipment like Vernier calipers, micrometers, etc.
    • Drill and ream holes, and make male and female fitting parts.
    • Lap flat surfaces, lap holes, and cylindrical surfaces.
    • Assemble and fit parts using slip gauges and sine bars.

    Gauges

    • Make different gauges using standard tools and equipment.
    • Understand the application of slip gauges for measuring and checking adherence to specifications.
    • Identify different types of gauges, including ring, snap, and plug gauges.
    • Understand the limits and uses of gauges.

    Treatments and Coatings

    • Understand the various coatings used to protect metals, including heat and electrical deposit treatments.
    • Identify treatments to provide a pleasing finish, such as chromium, silver, nickel plating, and galvanizing.

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    Description

    This quiz assesses knowledge of fitter operations, including drilling, producing components, and performing preventive maintenance and repairs. It also covers safety rules and standard procedures.

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