FEB 2017

FITTER THEORY
SEMESTER - III

PART-2

26 Clearance between the mating parts is measured by-

a. Feeler Gauge

c. Dial Gauge

b.Caliper gauge

d. No Go Gauge

Answer:- a. Feeler Gauge

27 According to Indian Standard, set of slip gauges has-

a. 71 pieces

b. 81 pieces

c. 112 pieces

d. 120 pieces

Answer:- c. 112 pieces

28. Shape of warding files are-

a. Square c

b. Rectangular

c. Half Round

d. Round

Answer:- b. Rectangular

29.  Taper made on the nose of headstock spindle of lathe-

a. Morse taper

b. Jarno Taper

C. Metric Taper

d. Pin Taper

Answer:- a. Morse taper

30. A sine bar is available in standard sizes which one of these is not a standard size?
a. 100 mm

b. 200 mm

c. 250 mm

d. 300 mm

Answer:- a. 100 mm

31. While normalizing the steel should be cooled?

a. In still air to room temperature

b. In oil

c. By forced air

d.  ln water

Answer:- a. In still air to room temperature

32. Cutting tool, is affected by ,

a. Job metal 

b. Tool metal

c . Depth of cut

d.  All of these

Answer:- d.  All of these

33. According to BIS. front clearance angle is put in the range of-
a. 4° to 8°
b. 2° to 5°

c. 6°  to 10°
d. More than 10°

Answer:- c. 6°  to 10°

34. Tip of tip tool is made up of-

a. Cobalt Steel   

b. Tungsten

c. Both (a) A (b)

d. None of these

Answer:- c. Both (a) A (b)

35. Lead screw is made up of-

a. High Speed Steel

b. Carbon Steel

c. Mild Steel

d. None of these

Answer:- b. Carbon Steel

36. Point angle of Morse Standard Taper is-

a. 30°

b. 45°

c 15°

d. 60°

Answer:- d. 60°

37. If the side rack is less on tool top, the effects are-

a. Smooth Cutting

b. Improper Cutting  

c. No effect on cutting

d. None of these

Answer:- b. Improper Cutting 

38. File has circular teeth on both edges-

a. Warding Files

b. Pillar Files

c. Mill Files

d. Crossing Files

Answer:- c. Mill Files

39. Shape of barrette file is ......
a.   Rectangular

b.  Square

c. Circular

d. Triangular

Answer:- d. Triangular

40. According lo BIS the width of Flat Scrapper-

a. 10 to 20 mm

b. 20 to 30 mm

c.  12 to 15 mm

d.  12 to 20 mm

Answer:- b. 20 to 30 mm

41. According to Size. 80 number drill is-

a. Smaller one

b. Bigger one

c. Middle one

d. None of these

Answer:- a. Smaller one

42. According to BIS, slip gauges are divided in..............grades

a.  1

b.  2

c.  3

d.  4

Answer:- d.  4

43. Angle of B S F Thread is-

a. 55

b. 60

c. 45°

d. 30°

Answer:- a. 55

44. Templates are made up of-

a. Carbon Steel

b. Too! Steel

c.  Mild Steel

d. High speed Steel

Answer:- c.  Mild Steel

45. Depth of Indian Standard Thread is indicated by-

a. 0.6403P

b. 0.6304P

c.  0.6134P

d. 0.6143P

Answer:- c.  0.6134P

46. In M 10 x 1.5.10 represents-

a. Metric Thread

b. Pitch of Thread

c.  Depth of Thread

d   Diameter of Thread

Answer:- d   Diameter of Thread

47. In above question. 1.5 represents-

a. Metric Thread 

b. Pitch of Thread

c. Depth of Thread

d.  Diameter of Thread

Answer:- b. Pitch of Thread

48. Capacity of lathe is expressed by- ,

a. Horse power & chuck diameter

b. Swing and distance between centres

c. Bed length & spindle speed

d. Tool post size & lathe travels

Answer:- b. Swing and distance between centres

49 For smaller precision components, suitable thread is-

a. BSW

b. BA

c. Acme

d. Square

Answer:- b. BA

50. Angle of Indian Standard Thread is-

a.  55°

b.  60°

c.  45°

d.  30°

Answer:- b.  60°