50 mcq’s from chapter # 01

MILLING MACHINE CONSTRUCTION

1. What is the primary movement in a knee-type milling machine's table for longitudinal feed?

(a) Knee up/down

(b) Saddle in/out

(c) Table back/forth ✔

(d) Spindle rotation

2. Which main component supports the knee, saddle, and table?

(a) Spindle head

(b) Column ✔

(c) Overarm

(d) Base plate

3. The knee of a milling machine primarily facilitates movement in which direction?

(a) Left to right

(b) Front to back

(c) Up and down ✔

(d) Rotary motion

4. What is the function of the tee-slots on a milling machine table?

(a) Coolant flow

(b) Chip removal

(c) Work holding ✔

(d) Lubrication

5. Where is the saddle located in relation to the table and knee?

(a) Above table

(b) Below knee

(c) Between them ✔

(d) Beside column

6. Milling primarily involves removing material using a:

(a) Single point

(c) Abrasive wheel

(d) Stationary tool

7. A plain horizontal milling machine is a type of:

(a) Bed type

(b) Knee column ✔

(c) Planer type

(d) Special type

8. What is a key feature of a universal-spindle milling machine?

(a) Fixed spindle

(b) Tilting spindle ✔

(c) Vertical spindle

(d) Large table

9. Which milling machine type is suited for large, heavy workpieces?

(a) Hand milling

(b) Planer milling ✔

(c) Turret milling

(d) Jig boring

10. The size of a milling machine is often indicated by its:

(a) Spindle speed

(b) Table travel ✔

(c) Motor power

(d) Machine weight

11. Horsepower rating in a milling machine relates to the:

(a) Feed rate

(b) Coolant flow

(c) Spindle power ✔

(d) Table size

12. A universal milling machine's table can typically swivel in the:

(b) Horizontal plane ✔

(c) Both planes

(d) No swivel

13. In a vertical-spindle milling machine, the spindle axis is:

(a) Horizontal

(b) Perpendicular ✔

(c) Angled

(d) Parallel

14. Gear hobbing machines are specifically designed for cutting:

(a) Flat surfaces

(b) Gears ✔

(c) Slots

(d) Threads

15. Spline milling machines are used to create:

(a) Keyways

(b) Threads

(c) Splines ✔

(d) Grooves

16. What is the purpose of the overarm in some milling machines?

(a) Coolant supply

(b) Chip evacuation

(c) Arbor support ✔

(d) Speed change

17. The arbor on a milling machine is used to hold:

(a) Workpiece

(b) Cutting tool ✔

(c) Coolant nozzle

(d) Feed mechanism

(a) Bed type

(b) Horizontal

(c) Vertical ✔

(d) Planer

19. A duplex milling machine has how many spindle heads?

(a) One

(b) Two ✔

(c) Three

(d) Four

20. Contour milling of intricate shapes is often done on a:

(a) Bed mill

(b) Planer mill

(c) Profile mill ✔

(d) Hand mill

21. Pantograph engraving machines are used for:

(a) Heavy cutting

(b) Gear cutting

(c) Copy milling ✔

(d) Surface grinding

22. CNC milling machines are controlled by:

(a) Manual levers

(b) Hand wheels

(c) Computer code ✔

(d) Hydraulic pressure

23. What is the primary function of the feed mechanism in a milling machine?

(a) Spindle rotation

(b) Tool cooling

(c) Workpiece movement ✔

24. Face milling is typically performed with the cutter axis:

(a) Parallel to surface

(b) Perpendicular to surface ✔

(c) At an angle

(d) Below the surface

25. Which term describes the up and down movement of the knee?

(a) Traverse feed

(b) Longitudinal feed

(c) Vertical feed ✔

(d) Cross feed

26. A dividing head is primarily used for cutting slots, grooves, or teeth that are:

(a) Unequally spaced

(b) Equally spaced ✔

(c) Deep and wide

(d) On flat surfaces

27. The index plate on a dividing head is used for:

(a) Holding the workpiece

(b) Selecting divisions ✔

(c) Rotating the spindle

(d) Supporting the footstock

28. What is the function of the footstock when used with a dividing head?

(a) Powering rotation

(b) Supporting workpiece end ✔

(c) Indexing movement

(d) Holding the cutter

29. Always use the draw-bolt to securely fasten the:

(a) Workpiece vise

(b) Arbor ✔
 (c) Machine table

(d) Coolant hose

30. Never tighten or loosen the arbor nut without supporting the:

(a) Machine base

(b) Overarm support ✔

(c) Spindle motor

(d) Feed mechanism

31. Keep your hands away from revolving:

(a) Coolant streams

(b) Workpiece surface

(c) Cutting tools ✔

(d) Machine controls

32. Do not remove chips from the cutter with your:

(a) Brush

(b) Air hose

(c) Hands ✔

(d) Scraper

33. Wear snugly fitting clothing to prevent getting caught in the:

(a) Coolant pump

(b) Feed levers

(c) Rotating machinery ✔

(d) Control panel

34. The spindle of a milling machine is located in the upper part of the:

(a) Knee

(b) Table

(c) Column ✔

(d) Base

35. The arbor is driven by the:

(a) Feed motor

(c) Spindle ✔

(d) Handwheel

36. The overarm is mounted on top of the column for correct alignment and support of the:

(a) Workpiece

(b) Cutter only

(c) Arbor ✔

(d) Machine base

37. The arbor support or arbor yoke clamps onto the:

(a) Machine table

(b) Column directly

(c) Overarm ✔

(d) Spindle nose

38. Clean the table and vise after each:

(a) Machine start

(b) Tool change

(c) Job ✔

(d) Lubrication

39. Oil or grease the machine regularly with recommended:

(a) Cutting fluid

(b) Cleaning solvent

(c) Lubricant ✔

(d) Coolant mixture

40. A vertical head attachment allows the spindle to be set and securely clamped at any:

(a) Horizontal angle

(b) Vertical plane

(c) Angle in a vertical plane ✔

(d) Fixed position

41. A rotary head milling attachment is driven by a:

(b) Gear train

(c) Flexible cable ✔

(d) Hydraulic system

42. A slotting attachment converts rotary motion to:

(a) Angular motion

(b) Linear reciprocating motion ✔

(c) Helical motion

(d) Circular motion

43. A rack cutting attachment is used to cut teeth on a:

(a) Worm gear

(b) Spur gear

(c) Rack ✔

(d) Bevel gear

44. A rotary table is especially valuable for milling:

(a) Long straight cuts

(b) Vertical surfaces

(c) Circular work ✔

(d) Deep slots

45. A universal milling attachment allows the spindle to be set at any angle in:

(a) One plane

(b) Two planes ✔

(c) Three planes

(d) A fixed position

46. What is the worm wheel ratio mentioned in the "Mechanism of Dividing Head"?

(a) 10:1

(b) 20:1

(c) 30:1

(d) 40:1 ✔
47. Fractional parts of a turn on a dividing head are often obtained using:

(a) The worm gear

(b) The index plate ✔

(c) The footstock

(d) The index crank

48. A swivel vertical milling attachment allows the spindle to pivot in a:

(a) Horizontal plane

(b) Vertical plane ✔

(c) Compound angle

(d) Fixed orientation

49. The reciprocating motion of the ram in a slotting attachment is driven by the:

(a) Spindle motor directly

(b) Coolant pump

(c) Machine spindle ✔

(d) Feed mechanism

50. The cutter in a rack cutting attachment is mounted on the end of a hardened-steel:

(a) Arbor

(b) Quill

(c) Spindle ✔

(d) Drawbar

Best of luck