Quiz - 21

Question 1

What is the purpose of tack welds:

Answer 1

To hold the parts in place so they can be finish welded

To hold the parts in place so they dont move during the finish weld

To be small enough so they do not affect the finish weld

(all of the above)

Question 2

T / F: A simple way of correcting slight alignment problems is to use a hammer and possible an anvil to pound the part into place

Answer 2

True :)

Question 3

What precautions should be taken if a hammer is used to shift a part into alignment:

Answer 3

Be sure not to strike the part in a location that will damage the part surface

Dont make the finished part unsightly or unusable with hammer marks

Question 4

Why is it important not to strike the arc outside of the weld joint:

Answer 4

The finished weldment will look neater

The post weld cleanup will be reduced

Some codes and standards do not allow arcs to be struck outside of the welding joint

(all of the above)

Question 5

What problem can result if the root opening of a weld is too wide:

Answer 5

More filler metal would be needed

More heat input to the base metal may cause greater weld distortion

It can result in a weld that will not withstand the part’s designed strength specifications

(all of the above)

Question 6

T / F: Tolerance is the amount that a part can be bigger or smaller than it should be and still be acceptable:

Answer 6

True

Question 7

Templates can be made out of:

Answer 7

Heavy paper
Wood
Cardboard
Sheet Metal
Other appropriate material

(all of the above)

Question 8

Why is a prototype custom fabricated before producing multiple weldments:

Answer 8

To be sure that all of the parts fit as it was planned

To make sure the finished product is correct in appearance

(both A and B)

Question 9

What are 3 devices used to hold parts in place when fabricating:

Answer 9

Clamps
Screws
Tack Welds

Question 10

What is the purpose of a welding jig:

Answer 10

To hold parts in place for welding