The main advantage of investment casting is
A) It can be conveniently adopted for heavy castings
B) High degree of accuracy and surface finish
C) There is no sophisticated technology involved
D) No special tooling is required
E) Raw materials required are cheap
Correct Answer:
Verified
Q37: Weld spatter is
A)A flux
B)A filler material used
Q38: In centreless grinding, work piece is clamped
Q39: Straight fluted drills are used for
A)Amorphous materials
B)Ferrous
Q40: Carbondioxide is
A)Neutral gas
B)Combustible gas
C)Rare gas
D)Inactive gas
E)Ionic gas
Q41: Necking is
A)Preparation of surface for brazing
B)Hole drilled
Q43: Cutting speeds for some materials are given
Q44: Large size bolt heads are made by
A)Hammering
B)Roll
Q45: Cyaniding
A)A process of annealing a ferrous alloy
B)A
Q46: In climb milling
A)Work moves in same direction
Q47: Which of the following is basically a
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