Large size bolt heads are made by
A) Hammering
B) Roll forging
C) Upset-forging
D) Swaging
E) Casting
Correct Answer:
Verified
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
Q42: The main advantage of investment casting is
A)It
Q43: Cutting speeds for some materials are given
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
Q48: When a thin job is to be
Q49: Which of the following metal is best
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