Practice Test: Question Set - 07
1. There are two types of milling processes based on the direction of cutter rotation and work direction. In up cut milling
- (A) The
work is fed in the same direction as the rotation of the cutter
- (B) Chip removal
starts at the thickest part
- (C) Machine with
backlash eliminator is essential
- (D) The work is
fed against the direction of the cutter rotation
2. Type 'A' arbor is used for mounting:
- (A) Large size
face milling cutters
- (B) Shell end
mill and similar cutters
- (C) Drills,
reamers, chucks etc.
- (D) None of the
above
3. Slitting saw cutter is used for
- (A) Cutting
convex grooves
- (B) Angular
machining
- (C) Cutting of
length
- (D) Cutting
keyway
4. Which one of the following statements is correct?
- (A) Generally
slitting saws are keyed with the arbor
- (B) Slitting
saws are used with normal speed and feed like other cutters
- (C) In
a 45° single angle cutter, 45° is the angle between the axis of the cutter and
the slant cutting edge
- (D) Dovetail
guideways can be milled by using a shank type single angle cutter
5. Which among the following statements is correct?
- (A) Brazed
tipped cutters are costly
- (B) Brazed
tipped cutters cannot be reconditioned
- (C) Brazed
tipped cutters are used only for machining high tensile strength steel job
- (D) Brazed
tipped cutters are used only for machining low tensile strength steel job
6. Normal clearance angle on tool for machining internal surface should be:
- (A) 4° to 6°
- (B) 6° to 10°
- (C) 8° to 10°
plus secondary clearance
- (D) None of the
above
7. Which one of the following is not important in rough milling operation?
- (A) Quality of
surface finish
- (B) Rigidity of
machine
- (C) Depth of cut
- (D) Rigidity of
workpiece
8. A milling cutter has helix angle of 25°. Which among the following is correct if this cutter is used to perform milling operation?
- (A) It reduces
power consumption
- (B) It reduces
chattering
- (C) It gives
smooth cutting action
- (D) All of the
above
9. In a spur gear, if outside diameter = 300 mm; module = 5 mm, the number of teeth will be:
- (A) 85 teeth
- (B) 60 teeth
- (C) 58 teeth
- (D) 29 teeth
10. Solid milling cutters are manufactured from:
- (A) Sintered
carbide
- (B) High speed
steel
- (C) Ceramic
- (D) Stellite
11. The tooth thickness of rack is measured by:
- (A) Universal
Vernier caliper
- (B) Gear tooth
Vernier caliper
- (C) Flange
micrometer
- (D) Gear tester
12. You are required to index a job by 9° 27'. Which hole circle will you choose from the following?
- (A) 24
- (B) 30
- (C) 38
- (D) 42
13. The main purpose of using worm and worm wheel drive in machines and their accessories is to:
- (A) Transmit
large torque
- (B) Provide
large speed reduction from worm shaft to worm wheel
- (C) Transmit
higher speeds
- (D) Provide
large speed reduction from worm wheel to worm shaft
14. The normal module of a helical gear with real module (m) of 6.62 and having an angle of 25 Degree is:
- (A) 6.62 ×
sin 25°
- (B) 6.62 ×
cos 25°
- (C) 6.62 ×
tan 25°
- (D) 6.62 ×
cot 25°
15. Which one of the following is an advantage of down cut milling when compared with up cut milling?
- (A) Can be used
for milling cast iron
- (B) Feed drive
can have a backlash
- (C) There is no
restriction for using this milling method
- (D) Suitable for
milling thin metal plates
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