Milling Machine Objective Type Exam Questions - ObjectiveBooks

Milling Machine Objective Type Exam Questions

Practice Test: Question Set - 08


1. A gear wheel has 36 teeth (Z) and 3 mm module (m). Its pitch diameter is:
    (A) 12 mm
    (B) 75 mm
    (C) 80 mm
    (D) 108 mm

2. Which among the following statements is NOT correct?
    (A) The gear ratio between worm and worm wheel in a dividing head is 50 :1
    (B) Worm shaft of the dividing head has single start worm
    (C) 20 turns of index crank revolve the spindle through 180°
    (D) For rapid indexing, the worm and worm wheel are to be disengaged

3. One turn of crank of indexing head rotates the spindle:
    (A) 9°
    (B) 18°
    (C) 40°
    (D) 45°

4. Stub arbor type 'A' is used for mounting:
    (A) Plain milling cutter
    (B) Face milling cutter
    (C) Side and face milling cutter
    (D) Shell end mill

5. Which among the following is NOT correct?
    (A) While using helical milling cutter, only one tooth is loaded at a time
    (B) Helical milling cutter does not produce chatter
    (C) Helical plain milling cutter has an angle of 45° to over 60°
    (D) Plain milling cutters are also called as slab milling cutters

6. A milling cutter should have three main properties. Which one of the following is correct?
    (A) Hardness, toughness and resistance to wear
    (B) Hardness, brittleness and resistance to wear
    (C) Hardness, softness and resistance to wear
    (D) Hardness, flexible and resistance to wear

7. Parallel shank end mill is mounted in the spring Collet. The inside diameter of Collet should be:
    (A) Less than the diameter of parallel shank
    (B) More than the diameter of parallel shank
    (C) Equal to the diameter of parallel shank
    (D) Equal to the size of the cutter

8. Which one of the following is an advantage of up cut milling?
    (A) Backlash eliminator is not required
    (B) Downward pressure during milling is high
    (C) Cutter wear is less
    (D) Suitable for milling thin plates

9. The round portion of the chip space on milling cutter is called as :
    (A) Round edge
    (B) Corner slot
    (C) Fillet
    (D) Radius

10. Which one of the following is used for holding end mill?
    (A) Collet chuck
    (B) Draw-in-bar
    (C) Boring head
    (D) Stub arbor

11. In one complete revolution of worm shaft, the worm wheel revolves:
    (A) 1/10th of revolution
    (B) 1/20th of revolution
    (C) 1/25th of revolution
    (D) 1/40th of revolution

12. In a spur gear, if module = 4 mm, the tooth height will be:
    (A) 4.67 mm
    (B) 5.67 mm
    (C) 6.67 mm
    (D) 8.67 mm

13. While milling through slot in a mild steel plate with a Dia 12 mm end mill cutter on vertical milling machine, the cutter slips and breaks. What is to be done?
    (A) Reset the spindle to a higher speed
    (B) Reduce the cutting speed
    (C) Increase the depth of cut
    (D) Reduce the depth of cut and feed

14. Which milling machine is particularly adapted for milling internal or external profiles?
    (A) Pantograph milling machine
    (B) Universal milling machine
    (C) Planetary milling machine
    (D) Tracer controlled milling machine

15. What will be the setting while grinding a tooth of a cylindrical cutter set on a mandrel?
    (A) The cylindrical cutter set on a mandrel will be in between centers
    (B) The cylindrical cutter set on a mandrel will be in between chuck and centre
    (C) The cylindrical cutter set on a mandrel will be only in chuck
    (D) The cylindrical cutter set on a mandrel will be within chuck and steady rest

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