ITI and CTI Preparation for Multiple Choice Questions

ITI and CTI Preparation  MCQ

ITI or CTI Student for Multiple Choice Type Questions for Welder subject  MCQ.

 

1. The arc formed in arc welding is ..................

A) Low voltage, low current discharge
B) Low voltage, high current discharge
C) High voltage, high current discharge
D) High voltage, low current discharge

ANSWER= (B) Low voltage, high current discharge

 

2. Welding transformers are equipped with capacitors to improve .........

A) Energy factor
B) Voltage factor
C) Current factor
D) Power factor

ANSWER= (D) Power factor

 

3. The choice of flux in gas welding depends upon ........

A) Thickness of the material to be welded
B) Type of material to be welded
C) Welding position
D) Type of fuel gas used

ANSWER= (B) Type of material to be welded

 

4. There is porosity in the weld bead. What is the likely cause?

A) Electrodes used are damp
B) Currently used is too high
C) Currently used is too low
D) Electrode is not correctly manipulated

ANSWER= (A) Electrodes used are damp

 

5. What is the potential hazard in arc welding?

A) Radiation
B) Toxic gases
C) Fumes
D) All of these

ANSWER= (D) All of these

 

6. GMAW is an abbreviation for ..../GMAW...

A) Gas Method Arc Welding
B) Gas Material Arc Welding
C) Gas Metal Arc Welding
D) Gas Machine Arc Welding

ANSWER= (C) Gas Metal Arc Welding

 

7. The voltage present when the welding machine power switch is in the ON position, but no welding is taking place is called ...

A) Open circuit voltage
B) Operating voltage
C) Arc voltage
D) High-frequency voltage

ANSWER= (A) Open circuit voltage

 

8. Rectifiers are known for their ability to ............

A) Convert AC into DC
B) Control welding power
C) Reduce spatter in the weld bead
D) Eliminate blowholes in the weld bead

ANSWER= (A) Convert AC into DC

 

9. Arc blow during welding is caused due to ......

A) Strong wind
B) Use of too high current
C) Use of too low current
D) Magnetic forces

ANSWER= (D) Magnetic forces

 

10. ......... is a groove melted into the base metal next to weld toe or weld root and has not been         filled in

A) Under-fill
B) Undercut
C) Crack
D) Crater

ANSWER= (B) Undercut