Thursday, May 23, 2019

2016 FEBRUARY TURNER THEORY SEMESTER-II

2016 FEBRUARY   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. 1º
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

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