CSWIP 3.1: Question with Answer and Explanation – Part 10

CSWIP 3.1 QUESTION AND ANSWER SERIES

CSWIP 3.1: Question with Answer and Explanation – Part 1

CSWIP 3.1: Question with Answer and Explanation – Part 2

CSWIP 3.1: Question with Answer and Explanation – Part 3

CSWIP 3.1: Question with Answer and Explanation – Part 4

CSWIP 3.1: Question with Answer and Explanation – Part 5

CSWIP 3.1: Question with Answer and Explanation – Part 6

CSWIP 3.1: Question with Answer and Explanation – Part 7

CSWIP 3.1: Question with Answer and Explanation – Part 8

CSWIP 3.1: Question with Answer and Explanation – Part 9

CSWIP 3.1: Question with Answer and Explanation – Part 10

CSWIP 3.1: Question with Answer and Explanation – Part 11

CSWIP 3.1: Question with Answer and Explanation – Part 12

CSWIP 3.1: Question with Answer and Explanation – Part 13

CSWIP 3.1: Question with Answer and Explanation – Part 14

CSWIP 3.1: Question with Answer and Explanation – Part 15

CSWIP 3.1: Question with Answer and Explanation – Part 16

CSWIP 3.1: Question with Answer and Explanation – Part 17

CSWIP 3.1: Question with Answer and Explanation – Part 18

CSWIP 3.1: Question with Answer and Explanation – Part 19

CSWIP 3.1: Question with Answer and Explanation – Part 20

1) When using DC+ve polarity, what is the typical OCV?

a. 20V
b. 50V
c. ( answer ) 90V
d. 240V

weld 35

weld 34

weld 1.PNG

2) When MMA welding what will be the effect on the weld if the electrode was changed from DC+ve to AC

a. None
b. It would have been easier for the welder to strike the arc
c. It would slightly increase the depth of penetration
d. ( answer ) It would give less penetration

weld 2.PNG

3) What would the effect be if the polarity were changed from DC+ve to DC-ve?

a. None
b. ( answer ) Greater deposition rate
c. Greater penetration
d. Less deposition rate

Pls see previous question!!!

4) Which of the following processes uses a flat characteristic?

a. ( answer ) MAG (GMAW)
b. Oxy-fuel gas welding
c. Resistance spot welding
d. SAW using more than 1000 amps

weld 3.PNG

weld 4.PNG

5) How could arc blow be avoided?

a. ( answer ) Use AC
b. Use DC+
c. Use DC-
d. Increase travel speed

weld 2

6) Which process uses a constant current characteristic?

a. MIG/MAG
b. ( answer ) MMA
c. FCAW
d. All processes use this

weld 4

7) If the maximum inter pass temperature is exceeded in a carbon manganese butt weld … affected most

a. Hardness
b. ( answer ) Toughness
c. Fusion
d. Penetration

weld 5.PNG

8) What is meant by the term duty cycle?

a. How long a welder can weld for in a given period
b. The amount of time the electrode is being used
c. ( answer ) The amount of time a welding machine can be used
d. The amount of electricity being consumed

weld 6.PNG

9) The term manual welding is often used when the welder controls:

a.  ( answer ) Arc length
b. Wire speed
c. Burn off rate
d. Transfer mode

10) Which welding process develops the lowest level of hydrogen …

a. ( answer ) TIG
b. SAW
c.
d.

Pls see next part:

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