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