Milling Machine Quiz PDF

Milling Machine Quiz 1. What is the primary function of a milling machine? a. To shape solid materials using a lathe b. To machine solid materials by rotating a cutting tool c. To assemble metal parts d. To drill precise holes 2. Which part of the milling machine serves as the foundation a...

Milling Machine Quiz 1. What is the primary function of a milling machine? a. To shape solid materials using a lathe b. To machine solid materials by rotating a cutting tool c. To assemble metal parts d. To drill precise holes 2. Which part of the milling machine serves as the foundation and houses the column? a. Knee b. Base c. Saddle d. Table 3. What is the purpose of the spindle in a milling machine? a. Support the base b. Transmit power to the arbor c. Guide the table movement d. Measure cutting speed 4. What is the 'arbor' used for in milling machines? a. Supporting the workpiece b. Rotating the cutting tool c. Providing coolant flow d. Securing the base 5. Which part of the milling machine allows vertical movement? a. Knee b. Saddle  c. Column d. Spindle 6. What distinguishes horizontal from vertical milling machines? a. The material used b. The orientation of the spindle c. The speed of the cutter d. The size of the machine 7. What is the purpose of end milling? a. Drilling holes into a workpiece b. Machining flat or contoured surfaces c. Adding threads to a workpiece d. Polishing the workpiece 8. Which operation creates an angled edge on a workpiece? a. Face milling b. Slotting c. Chamfer milling d. Drilling 9. Which milling operation enlarges the diameter of a hole? a. Drilling b. Boring c. Reaming d. Counterboring 10. What tool is typically used for creating threads in a hole? a. Reamer b. Counterbore c. Tap  d. End mill 11. What does 'cutting speed' measure? a. Spindle speed in RPM b. Distance traveled by the tool in one revolution c. Speed of the workpiece relative to the tool edge d. Feed rate in inches per minute 12. What might cause surface roughness during milling? a. Too low feed rate b. Correct spindle speed c. Incorrect cutting parameters d. Using a sharp cutter 13. Which defect may occur if the workpiece is not securely clamped? a. Dull cutter wear b. Vibrations c. Shifted or inaccurate cuts d. Burn marks 14. What is the 'feed rate'? a. Speed of the spindle rotation b. Speed of the tool movement relative to the workpiece c. Number of teeth on the cutter d. Distance of the tool along its axis in the material 15. What happens when a cutter's teeth wear down? a. Cuts become more precise b. The cutter increases productivity c. The cutter becomes less effective d. The spindle speed increases 16. What does a 'rotary table' do? a. Rotates the workpiece to provide smooth finish b. Holds the workpiece stationary c. Provides rotary motion for table adjustments d. Converts rotary motion to reciprocating motion 17. Which attachment is used for cutting slots or grooves? a. Slotting attachment b. Dividing head c. Rack milling attachment d. Rotary table 18. What is the role of a 'dividing head'? a. Clamp the workpiece b. Provide uniform division of a workpiece's periphery c. Securely hold large workpieces d. Assist in face milling 19. Which cutter is best suited for machining 3D contoured shapes? a. Ball nose cutter b. Slot drill c. Fly cutter d. Side-and-face cutter 20. What is the main advantage of using a face mill? a. Creates internal threads b. Machines flat surfaces efficiently c. Drills holes with precision d. Cuts large peripheral slots 21. What are flutes on a cutter designed for?  a. Reducing friction b. Holding the workpiece c. Moving material chips away d. Aligning the tool head 22. Why is coolant used during milling operations? a. To increase cutting speed b. To lubricate the arbor c. To reduce cutter temperature and friction d. To extend the workpiece lifespan 23. Which material is most commonly used for cutters? a. Aluminum b. Titanium c. High-speed steel d. Nickel 24. What is the preferred tool for creating broad flat surfaces? a. Roughing end mill b. Slab mill c. Slot drill d. Fly cutter 25. What does a 'rack milling attachment' produce? a. Threads b. Helical grooves c. Rack teeth d. Contoured surfaces 26. What type of cutter has a wavy tooth form for rapid material removal? a. Slot drill  b. Roughing end mill c. Ball nose cutter d. Side-and-face cutter 27. What is the main function of a vise in milling machines? a. To rotate the workpiece b. To secure the workpiece c. To cool the workpiece d. To provide lubrication 28. What is a unique feature of hollow mills? a. Cutting teeth are on the inside surface b. Cutting teeth are on the outside circumference c. They create external threads d. They are designed for deep slots 29. What is a potential cause of burn marks on a workpiece? a. Low spindle speed b. Incorrect depth of cut c. Proper clamping d. Sharp cutter teeth 30. Which attachment is used for machining internal keyways? a. Slotting attachment b. Rack milling attachment c. Dividing head d. Rotary table 31. Which parameter affects the tool's lifetime and wear rate? a. Axial depth of cut b. Material of the workpiece  c. Feed rate d. All of the above 32. Why are carbide cutters often coated? a. To increase their diameter b. To improve their resistance to wear c. To enhance their cutting speed d. To reduce their cost 33. What is the ideal tool for making keyway slots? a. Slot drill b. End mill c. Ball nose cutter d. Woodruff cutter 34. Which operation uses a single-point cutting tool to enlarge a drilled hole? a. Reaming b. Tapping c. Boring d. Counterboring 35. What is the purpose of a fly cutter? a. Drilling deep holes b. Creating wide, shallow cuts c. Milling 3D contoured shapes d. Producing internal threads 36. How can tool wear be minimized? a. By using uncoated tools b. By reducing coolant flow c. By spraying lubricant during milling  d. By increasing the feed rate 37. Which milling defect is caused by excessive vibration? a. Burn marks b. Scratch marks c. Inaccurate dimensions d. Surface roughness 38. What machining process creates a cone-shaped opening for screws? a. Boring b. Counterboring c. Countersinking d. Chamfer milling 39. Which of the following materials has good machinability? a. Titanium b. Aluminum c. Nickel d. Steel 40. What factor is critical for selecting the workpiece material? a. Cost b. Wear resistance c. Machinability d. All of the above