ExamVeda
Login
Home
51
The operation of cutting a sheet of metal in a straight line along the length, is known as
Discuss
Answer & Solution
Answer: Option C
Solution:
The operation of cutting a sheet of metal in a straight line along the length, is known as Slitting
52
The metal is subjected to mechanical working for
Discuss
Answer & Solution
Answer: Option D
Solution:
The metal is subjected to mechanical working for Refining grain size and Reducing original block into desired shape andControlling the direction of flow lines
53
In die casting, machining allowance is
Discuss
Answer & Solution
Answer: Option D
Solution:
In die casting, machining allowance is Not provided
Die casting is a moulding process in which the molten metal is injected under high pressure and velocity into a split mould die.
Aluminum dissolves ferrous parts in the die chamber and hence preferred to be used in cold chamber die casting.
54
In a four high rolling mill, the diameter of backing up rolls is ________ the diameter of working rolls.
Discuss
Answer & Solution
Answer: Option C
Solution:
In a four high rolling mill, the diameter of backing up rolls is Larger than the diameter of working rolls.
55
The property of sand due to which the sand grains stick together is called
Discuss
Answer & Solution
Answer: Option C
Solution:
The property of sand due to which the sand grains stick together is called Cohesiveness
56
In a four high rolling mill, there are four rolls out of which
Discuss
Answer & Solution
Answer: Option B
Solution:
In a four high rolling mill, there are four rolls out of which Two are working rolls and two are backing up rolls
57
A two high rolling mill consists of two rolls which rotate
Discuss
Answer & Solution
Answer: Option B
Solution:
A two high rolling mill consists of two rolls which rotate At the same speed but in opposite direction
58
In ________ welding, the weld may be made either from left to right or from right to left.
Discuss
Answer & Solution
Answer: Option C
Solution:
In vertical welding, the weld may be made either from left to right or from right to left.
59
The surface to be left unmachined is marked on the pattern by
Discuss
Answer & Solution
Answer: Option C
Solution:
The surface to be left unmachined is marked on the pattern by Black colour
60
The surface to be machined is marked on the pattern by
Discuss
Answer & Solution
Answer: Option A
Solution:
The surface to be machined is marked on the pattern by red colour