Basic Milling Machine Questions and Answers - Set 02 - ObjectiveBooks

Basic Milling Machine Questions and Answers - Set 02

Practice Test: Question Set - 02

1. Which machine is removing material at faster rate in comparison with other machines?
    (A) Lathe
    (B) Milling machine
    (C) Shaping machine
    (D) Grinding machines

2. Milling cutters are manufactured generally from two materials to give them the required hardness and toughness. Which one of the following is used for this purpose?
    (A) Cast iron and plastic
    (B) High speed steel and carbides
    (C) Mild steel and stainless steel
    (D) Carbon steel and nickel steel

3. What type of cutter having teeth at the end as well as on periphery?
    (A) Slitting saw
    (B) End mill cutter
    (C) Slab milling cutter
    (D) Side and face cutter

4. Gang milling operation is usually performed when:
    (A) Single piece is to be milled
    (B) Duplicate pieces are to be milled in mass production
    (C) Repair work is to be done
    (D) None of the above

5. Which method of milling process is producing flat surface parallel to the column?
    (A) Plain or slab milling
    (B) Side milling
    (C) Face milling
    (D) End milling

6. Which milling attachment the cross feed is used to move the cutter into the work piece and the longitudinal feed is to index the cutter?
    (A) Rack milling attachment
    (B) Circular table attachment
    (C) Circular table attachment
    (D) Universal spiral attachment

7. What is the reason for the breaking of cutter while rough milling?
    (A) Heavy feed
    (B) Low cutting speed
    (C) High cutting speed
    (D) Less depth of cut

8. Which among the following statements is correct if milling cutter has negative rake angle?
    (A) Cutter forces tend to push the work against the work holding device
    (B) Reaction forces tend to pull the cutter into the work
    (C) Reaction forces tend to push the cutter away from the work
    (D) Both 'A' and 'B'

9. While indexing which one of the following is used to give exact location of the indexing movement?
    (A) Index plate
    (B) Index crank
    (C) Selector arm
    (D) Worm shaft

10. Vertical milling operation can be performed by mounting vertical milling attachment on:
    (A) Vertical milling machine
    (B) Plain milling machine
    (C) Bed type milling machine
    (D) Planer type milling machine

11. In a spur gear, if pitch diameter = 40 mm; outside diameter = 48 mm, module = 4 mm, the number of teeth will be:
    (A) 10 teeth
    (B) 20 teeth
    (C) 30 teeth
    (D) 40 teeth

12. Two side and face milling cutters were mounted on a long arbor in a milling machine with arbor support. The arbor nut should be:
    (A) Tightened after the over arm support is in place
    (B) Tightened before the arbor support is in place
    (C) Tightened with extra large leverage
    (D) Allowed to tighten on its own during spindle rotation

13. Which part of the milling machine the feed motor and gear box are accommodated?
    (A) Base
    (B) Knee
    (C) Saddle
    (D) Column

14. Which type of side milling cutters having teeth on both sides?
    (A) Half side milling cutter
    (B) Inter locking side milling cutter
    (C) Plain side and face milling cutter
    (D) Staggered teeth side milling cutter

15. A finish cut is given to improve the surface finish of a rough milled workpiece. What adjustments are needed on the cutting parameters?
    (A) Decrease cutting speed, feed rate and depth of cut
    (B) Increase feed rate, depth of cut and reduce cutting speed
    (C) Increase feed rate, depth of cut and cutting speed
    (D) Increase cutting speed, reduce feed rate and depth of cut

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