While designing gas welding fixture, to reduce heat loss large fixture masses sh
ID: 2087175 • Letter: W
Question
While designing gas welding fixture, to reduce heat loss large fixture masses should not be placed close to the weld line.
True
False
1 points
QUESTION 2
In a blanking die, to reduce the possibility of slug clinging to the die, the following provision is made
Shear on the die
Angular clearance in the die
Shear on the punch
1 points
QUESTION 3
RsQ_002Hot work steels combine ___________ with good wear resistance and shock resistance.
compressive stress
tensile stress
hot strength
a.Shear on the die
b.Angular clearance in the die
c.Shear on the punch
Explanation / Answer
(1)- During the design of welding fixture, minimum heat loss from the weld area is required to avoids cracks. To reduce such heat loss, large fixture masses should not be placed close to the weld line.
Thus the statement is true.
(2)- in a blanking die, to reduce the possibility of slug clinging to the die, shear is provided to the die.
(3)- hot work steels combine compressive stress with good wear resistance and shock resistance.
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