Top 150+ Solved Fabrication Technology MCQ Questions Answer
Q. With an increase in the heatinput of arcwelding method, how does it affecttheweldingspeed?
a. Increases
b. Decreases
c. Remains same
d. No relation
Q. With an increase in the heatinput of arc welding method, how does it affectthe requiredcurrent?
a. Increases
b. Decreases
c. Remains same
d. No relation
Q. Portion at which two work piece are at the nearest distance is called as?
a. Throat
b. Toe
c. Root
d. Puddle
Q. Which of the following defects occur due to flux employed and electrode coating?
a. Inclusion of slay
b. Inadequate penetration
c. Incomplete fusion
d. Porosity
Q. Which ofthe following defectsoccurwhen thedeposited metal are notfocused atthe root ofweld?
a. Inclusion of slay
b. Inadequate penetration
c. Incomplete fusion
d. Porosity
Q. Which of the following defects occur when weld metal layer fail to fuse together?
a. Inclusion of slay
b. Inadequate penetration
c. Incomplete fusion
d. Porosity
Q. Which ofthe following defects occur due to the entrapment of gas bubbles by the freezing dendrites during the cooling of molten pad?
a. Inclusion of slay
b. Inadequate penetration
c. Incomplete fusion
d. Porosity
Q. Which of the following defects occur due to melting or burning away of base metal?
a. Under cut
b. Spatter
c. Cracking in weld metal
d. Cold cracking
Q. Which of the following defects occur due to scattering of metal around the vicinity ofweld?
a. Under cut
b. Spatter
c. Cracking in weld metal
d. Cold cracking
Q. Which of the following defects occur due to incorrect welding techniques?
a. Under cut
b. Hot cracking
c. Cracking in weld metal
d. Cold cracking
Q. Which of the following defect is influenced by sulphur and carbon content of weldmetals?
a. Under cut
b. Hot cracking
c. Cracking in weld metal
d. Cold cracking
Q. The depth up to which the filler material is mixed up with base metal is called as?
a. Deposition
b. Reinforcement
c. Penetration
d. Fusion depth
Q. The raised portion from the parent metal in welding is known as?
a. Deposition
b. Fusion depth
c. Penetration
d. Reinforcement