CWB Level 2 Mod 9 Introduction to ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Welding Metallurgy of Steel exam with ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
correct answers ||\\||\\
Exercise Question - Sections 1-4 ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
During arc welding there is a zone adjacent to the weld metal
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
that reaches high temperatures but does not melt. What is the
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
name of this region? - correct answers✔✔The heat affected
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
zone
Exercise Question - Sections 1-4 ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Not all the heat energy produced during welding will enter the
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
plate as heat energy. What is this phenomenon known as? -
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
correct answers✔✔The efficiency ||\\||\\ ||\\||\\
Exercise Question - Sections 1-4 ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
With manual welding the technique will influence the energy
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
input. Of the following techniques which involves the higher
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
energy input? ||\\||\\ ||\\||\\
a) weaving techniques
||\\||\\ ||\\||\\
, b) depositing stringer beads - correct answers✔✔a) weaving
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
techniques
Exercise Question - Sections 1-4 ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Considering that increasing the heat input will reduce the ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
cooling rate, is the following statement true or false?
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
For thick plates, the cooling rate is inversely proportional to the
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
heat input - correct answers✔✔True ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Exercise Question - Sections 4-8 ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
The metallurgical changes that occur in the HAZ will be
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
dependent on the peak _______________. - correct ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
answers✔✔The peak temperature reached ||\\||\\ ||\\||\\ ||\\||\\
Exercise Question - Sections 4-8 ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Regions that are close to the fusion boundary can experience
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
temperatures sufficiently high enough that growth of the ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
___________________________________occurs. - correct ||\\||\\ ||\\||\\ ||\\||\\
answers✔✔Austenitic grains ||\\||\\
Welding Metallurgy of Steel exam with ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
correct answers ||\\||\\
Exercise Question - Sections 1-4 ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
During arc welding there is a zone adjacent to the weld metal
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
that reaches high temperatures but does not melt. What is the
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
name of this region? - correct answers✔✔The heat affected
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
zone
Exercise Question - Sections 1-4 ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Not all the heat energy produced during welding will enter the
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
plate as heat energy. What is this phenomenon known as? -
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
correct answers✔✔The efficiency ||\\||\\ ||\\||\\
Exercise Question - Sections 1-4 ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
With manual welding the technique will influence the energy
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
input. Of the following techniques which involves the higher
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
energy input? ||\\||\\ ||\\||\\
a) weaving techniques
||\\||\\ ||\\||\\
, b) depositing stringer beads - correct answers✔✔a) weaving
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
techniques
Exercise Question - Sections 1-4 ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Considering that increasing the heat input will reduce the ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
cooling rate, is the following statement true or false?
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
For thick plates, the cooling rate is inversely proportional to the
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
heat input - correct answers✔✔True ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Exercise Question - Sections 4-8 ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
The metallurgical changes that occur in the HAZ will be
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
dependent on the peak _______________. - correct ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
answers✔✔The peak temperature reached ||\\||\\ ||\\||\\ ||\\||\\
Exercise Question - Sections 4-8 ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Regions that are close to the fusion boundary can experience
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
temperatures sufficiently high enough that growth of the ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
___________________________________occurs. - correct ||\\||\\ ||\\||\\ ||\\||\\
answers✔✔Austenitic grains ||\\||\\