Practice Test: Question Set - 02
1. Which standard tapers used in milling machine arbors?
- (A) Jarno taper
- (B) Morse taper
- (C) Metric taper
- (D) Brown and
sharp taper
2. Which micrometer is used to measure the effective diameter of the threads?
- (A) Depth
micrometer
- (B) Inside
micrometer
- (C) Outside
micrometer
- (D) Screw thread
micrometer
3. The grade of slip gauges are used for general workshop application is?
- (A) Grade ‘I’
accuracy
- (B) Grade '0'
accuracy
- (C) Grade '00'
accuracy
- (D) Grade 2
accuracy
4. Calculate the gears required to cut a 1.5mm pitch in a lathe having a lead screw of 5 mm pitch?
- (A) Driver 30,
Driven 50
- (B) Driver 30,
Driven 100
- (C) Driver 100,
Driven 30
- (D) Driver 100,
Driven 60
5. Which element of taper is expressed by number in metric taper?
- (A) Length
- (B) Big diameter
- (C) Small
diameter
- (D) Angle of
taper
6. What is direction of tool movement with reference to the axis in the tailstock offset method?
- (A) Parallel
- (B) Inclined at
45°
- (C) Inclined at
60°
- (D) Perpendicular
7. What will be the turn diameter of work piece for acme thread cutting?
- (A) Equal to
major dia
- (B) Equal to
minor dia
- (C) 0.05 mm over
size of major dia
- (D) 0.05 mm
under size of major dia
8. The act of joining the slip gauges together while building up to the sizes is called.
- (A) Wringing
- (B) Sliding
- (C) Glazing
- (D) Loading
9. What type of standard taper used on external taper of lathe spindle nose?
- (A) Jarno taper
- (B) Morse taper
- (C) Metric taper
- (D) Brown and
sharp taper
10. How do you protect slip gauge from rust?
- (A) Apply oil
- (B) Apply
kerosene
- (C) Apply wax
- (D) Apply
petroleum jelly
11. Which method of taper turning is possible when the work is hold between centers only?
- (A) Form tool
method
- (B) Compound
rest method
- (C) Tailstock
offset method
- (D) Taper
turning attachment method
12. Which one of the following is the advantage of taper turning attachment over tail stock off set method?
- (A) Good surface
finish
- (B) Lengthy
taper can be produced
- (C) Job can be
held between centers
- (D) Power feed
can be given for both internal and external taper
13. Which taper is most commonly used as standard taper in industries?
- (A) Jarno taper
- (B) Morse taper
- (C) Metric taper
- (D) Brown &
Sharpe taper
14. What is 'Best wire' in thread measurement?
- (A) Contact at
root
- (B) Contact at
crest
- (C) Contact is
at pitch line
- (D) Contact above
pitch line
15. Which determines the size of the wire in the three wires method of thread measurement?
- (A) Flank form
- (B) Micrometer
spindle
- (C) Effective
diameter
- (D) Pitch of the
thread
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