#1
What is the primary function of a welding helmet?
To provide a comfortable headrest
To protect the eyes from harmful light
To improve welding accuracy
To enhance grip on welding tools
#2
Which welding position involves welding on the upper side of a horizontal joint?
Flat position
Horizontal position
Overhead position
Vertical position
#3
What does the term 'welding position' refer to in welding?
The location of the welding machine
The orientation of the weld joint in relation to gravity
The type of welding electrode used
The speed of the welding process
#4
What is the purpose of a welding positioner in arc welding?
To position the welding machine accurately
To rotate and tilt the workpiece for optimal welding angles
To regulate the flow of shielding gas
To monitor the electrical parameters of the welding arc
#5
What is the purpose of a welding blanket?
To keep the welder warm during the welding process
To protect the work area from sparks and heat
To provide a comfortable seating surface for the welder
To enhance the visual appearance of the weld
#6
Which type of current is commonly used in arc welding?
Direct current (DC)
Alternating current (AC)
Static current
Dynamic current
#7
What is the purpose of flux in welding?
To increase the temperature of the arc
To protect the weld pool from atmospheric contamination
To improve the appearance of the weld
To reduce the speed of the welding process
#8
What is the purpose of a filler metal in welding?
To fill gaps in the base metal
To add strength to the weld
To provide a decorative finish
To cool down the welding arc
#9
Which welding process uses a non-consumable tungsten electrode?
Shielded Metal Arc Welding (SMAW)
Gas Metal Arc Welding (GMAW)
Flux-Cored Arc Welding (FCAW)
Gas Tungsten Arc Welding (GTAW)
#10
Which welding process is also known as 'stick welding'?
Gas Metal Arc Welding (GMAW)
Shielded Metal Arc Welding (SMAW)
Flux-Cored Arc Welding (FCAW)
Gas Tungsten Arc Welding (GTAW)
#11
What is the purpose of a backing strip in welding?
To create a decorative pattern on the weld
To prevent distortion of the base metal
To improve the electrical conductivity of the welding arc
To provide support and shape to the weld joint
#12
Which welding process uses a consumable electrode and a continuous wire feed?
Shielded Metal Arc Welding (SMAW)
Gas Metal Arc Welding (GMAW)
Flux-Cored Arc Welding (FCAW)
Gas Tungsten Arc Welding (GTAW)
#13
What is the purpose of preheating in welding?
To speed up the welding process
To reduce the risk of hydrogen cracking
To improve the visual appearance of the weld
To cool down the workpiece
#14
What is the purpose of post-weld heat treatment (PWHT) in welding?
To increase the welding speed
To enhance the visual appearance of the weld
To relieve residual stresses and improve mechanical properties
To reduce the need for filler metal
#15
In which welding process is a shielding gas not required?
Gas Metal Arc Welding (GMAW)
Gas Tungsten Arc Welding (GTAW)
Flux-Cored Arc Welding (FCAW)
Submerged Arc Welding (SAW)
#16
What is the primary advantage of pulsed gas metal arc welding (GMAW-P) over traditional GMAW?
Higher welding speed
Improved control of heat input
Lower equipment cost
Reduced need for shielding gas
#17
In which welding process is a flux used instead of shielding gas?
Submerged Arc Welding (SAW)
Gas Tungsten Arc Welding (GTAW)
Gas Metal Arc Welding (GMAW)
Flux-Cored Arc Welding (FCAW)