41. The operation of cutting a number of holes evenly spaced in a regular pattern on a sheet of metal is. called perforating.
Agree
Disagree
✅ The correct answer is option A.
Workshop Technology MCQs
43. The torch used for oxygen cutting is same as for oxy-acetylene welding.
Yes
No
✅ The correct answer is option B.
44. In a simple die
two or more operations are performed simultaneously at the single stroke of the ram
two or more cutting operations are performed at one station of the press in every stroke of the ram
both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram
none of the above
✅ The correct answer is option D.
45. Neutral flame is usd to weld
steel
cast iron
copper
all of these
✅ The correct answer is option D.
46. Gagger is used for cleaning the moulding sand.
Correct
Incorrect
✅ The correct answer is option B.
47. Aluminium is the best material for making patterns because it is
light in weight
easy to work
corrosion resistant
all of these
✅ The correct answer is option D.
48. When two pieces of different metals are to be welded by projection welding, then the projection should be made on the metal piece having __________ conductivity.
lower
higher
✅ The correct answer is option B.
49. A large electrode is used in un-shielded arc welding.
Correct
Incorrect
✅ The correct answer is option A.
50. The temperature of the inner luminous cone of neutral flame is about
1000° C
1250° C
2100° C
3200° C
✅ The correct answer is option D.