FEB 2016
TURNER
THEORY
SEMESTER-II
1. The best method for producing small taper
on long jobs is..........
A compound rest
B taper turning attachment
C form toot
D tracing attachment
Answer:- B taper turning attachment
2. What type of taper can be produced by tail
stock set over method?
A External taper of small angle on long job
B Steep taper on long jobs
C Internal taper
D Steep taper on short jobs
Answer :- A External taper of small angle on long job
3. Name the setting method for producing
external taper shown in figure.
A Taper turning attachment
B Form tool method
C Compound rest method
D Tail stock set over method
Answer :- C Compound rest method
4. Vernier bevel protractor is used to measure
an accuracy of angle........
A. 1ยบ
B. 30'
C. 15'
D. 5'
Answer :- D. 5'
5. The vernier scale reading shown in figure
is.....................
A. 180-22°40'
B. 180-22°30'
C. 180-22°20'
D. 180-22°10'
Answer :- . 180-22°30'
6. The formula for setting of compound slide
swivel angle is................
Answer :- C
7. The imaginary diameter which passes
through the thread is.....
A major diameter
B minor diameter
C pitch diameter
D groove diameter
Answer :- C pitch diameter
8. Name the thread in which thread included
angle is 55°and both crest and root are in
radius form.
A BSW thread
B BSF thread
C BSP thread
D BIS thread
Answer :- A BSW thread
9. Identify the form of thread shown in figure.
A Square thread
B Worm thread
C Buttress thread
D Knuckle thread
Answer :- B Worm thread
10. The tool used on lathe for mass production
of V thread is......
A single point cutting tool
B thread milling cutter
C thread form tool
D die - heads and collapsible taps
Answer :- D die - heads and collapsible taps
11. Vernier height gauge is mainly used for.
A radial measurement
B layout work
C angular measurement
D depth measurement
Answer :- B layout work
12. In a combination set - square arrangement
shown in figure the value of obtuse angle
is............
A. 120°
B. 110°
C. 105°
D. 100"
Answer :- C. 105°
13. The least count of a standard vernier height
gauge is............
A 0.05 mm
B 0.1 mm
C 0-02 mm
D 0.002 mm
Answer :- C 0-02 mm
14. One quarter of a circle covers 90°. 3/4 of a
circle covers how many degrees?
A 360°
B 270°
C 180°
D 0°
Answer :- B 270°
15. The thread which is NOT the part of
trapezoidal thread is......
A worm thread
B acme thread
C buttress thread
D square thread
Answer :- D square thread
16. The thread which is modified from buttress
thread is.......
A Vee thread
B worm thread
C saw - tooth thread
D square thread
Answer :- C saw - tooth thread
17. Which type of thread is NOT suitable for
power transmission?
A Vee thread
B Square thread
C Knuckle thread
D Trapezoidal thread
Answer :- C Knuckle thread
18. Name the thread shown in figure.
A. BSW thread
B. BSF thread
C. BSP thread
D. BA thread
Answer :- D. BA thread
19. Name the operation shown in figure.
A. Grooving
B. Chasing
C. Knurling
D. Forming
Answer :- B. Chasing
20. In "M" series threads M is followed by
number, that stands for...........
A minor diameter
B major diameter
C pitch diameter
D core diameter
Answer :- B major diameter
21. The thread in which pitch and lead is same
is.....
A. single start
B. double start
C. triple start
D. four start
Answer :- A. single start
22. Name the part of a thread marked
figure.
A. Root
B. Crest
C. Flank
D. Pitch
Answer :- C. Flank
23. Size of a vernier height gauge is specified
by.............
A width of the beam
B height of the vernier scate
C height of the beam
D size of the base
Answer :- C height of the beam
24. When the threading tool reaches the end of
the thread, the tool is...............
A withdrawn after the work is stopped
B left in the thread groove, and the rotation is
reversed
C withdrawn while the work is revolving
D simultaneously withdraw the tool and reverse
the spindle
Answer :- D simultaneously withdraw the tool and reverse
the spindle
25. The formula for cutting metnc thread on
British lathe is......
Answer :-A
26. Find a change gear required the cut 3 mm
pitch on a job in a lathe having lead screw of
6 mm pitch.
A 60/120
B 45/135
C 50/130
D 70/110
Answer :- A 60/120
27. The tap drill size of M10 x 1.5 is …..
A 8.5 mm
B 8.4 mm
C 8.3 mm
D 8.2 mm
Answer :- A 8.5 mm
28. How many taps are there in a standard tap
set?
A 2 nos
B 3 nos
C 4 nos
D 5 nos
Answer :- B 3 nos
29. Screw threads are NOT mainly used for ……..
A fastening
B transmit motion
C to apply pressure
D location
Answer :- D location
30. What is the formula for blank size for
external thread cutting, Where D = blank dia
d = dia of bolt and P = pitch of thread?
Answer :- C
31. The part which is used in making external
thread but it is not forming thread is......
A solid die or nut
B spirt button dies
C die stock
D adjustable dies
Answer :- C die stock
32. Name the part marked X in figure.
A. Holder
B. Pivot
C. Securing bolt
D. Circular threading tool
Answer :- D. Circular threading tool
33. The type of thread in which thread flanks are
perpendicular to thread axis is....
A acme thread
B square thread
C buttress thread
D worm thread
Answer :- B square thread
34. The type of thread cut on lead screw of a
lathe is......
A square thread
B buttress thread
C acme thread
D worm thread
Answer :- C acme thread
35. The round shaped thread mainly used for
hose connections is......
A knuckle thread
B worm thread
C buttress thread
D acme thread
Answer :- A knuckle thread
36. If a V thread specification angle is 60*and
thread depth is 0.6134P. Name the type of
thread.
A BSW thread
B BIS thread
C BSP thread
D BSF thread
Answer :- B BIS thread
37. What is the process of thread cutting, in
which threads are formed without cutting?
A Thread rolling
B Thread milling
C Thread grinding
D Thread chaser
Answer :- A Thread rolling
38. What is the process for soft joining of metal
at low temperature without being melt the
base metal?
A Brazing
B Soldering
C Welding
D Forging
Answer :- B Soldering
39. In V thread, the load is acting on
A crest
B root
C flank
D pitch
Answer :- C flank
40. What is the alternate name of brazing?
A Hard soldering
B Welding
C Soft soldering
D Forging
Answer :- A Hard soldering
