Podcast
Questions and Answers
What is the basic mechanism of tungsten depletion during welding?
What is the basic mechanism of tungsten depletion during welding?
- Reduction
- Oxidation
- Decomposition
- Evaporation (correct)
How are the mechanical properties of a joint affected by reactive gases during welding?
How are the mechanical properties of a joint affected by reactive gases during welding?
- Degraded (correct)
- Unchanged
- Enhanced
- Strengthened
What role does flux play in welding?
What role does flux play in welding?
- Increasing weld bead smoothness
- Causing spattering
- Preventing the formation of oxides (correct)
- Stabilizing the arc
Which substances are commonly used for arc shielding in welding processes?
Which substances are commonly used for arc shielding in welding processes?
What purpose does the slag coating serve in welding?
What purpose does the slag coating serve in welding?
How is filler metal supplied during welding using tungsten as electrode?
How is filler metal supplied during welding using tungsten as electrode?
What is the main purpose of using cellulosic electrodes?
What is the main purpose of using cellulosic electrodes?
What percentage of the coating weight in basic electrodes is cellulose?
What percentage of the coating weight in basic electrodes is cellulose?
What distinguishes cellulosic electrodes from other types when using the same current values?
What distinguishes cellulosic electrodes from other types when using the same current values?
Which industry benefits most from the wide range of applications of cellulosic electrodes?
Which industry benefits most from the wide range of applications of cellulosic electrodes?
What is the main characteristic of non-consumable electrodes used in gas shielded welding processes?
What is the main characteristic of non-consumable electrodes used in gas shielded welding processes?
What property of the weld metal obtained by cellulosic electrodes makes it desirable in welding applications?
What property of the weld metal obtained by cellulosic electrodes makes it desirable in welding applications?
What is the main heat source utilized in Shielded Metal Arc Welding (SMAW)?
What is the main heat source utilized in Shielded Metal Arc Welding (SMAW)?
Which of the following is NOT typically considered when determining the range of currents used in SMAW?
Which of the following is NOT typically considered when determining the range of currents used in SMAW?
What workpiece thickness range is SMAW best suited for?
What workpiece thickness range is SMAW best suited for?
In multiple-pass SMAW welding, what is required to be removed after each weld bead?
In multiple-pass SMAW welding, what is required to be removed after each weld bead?
Which materials are shielded metal arc welding (SMAW) commonly used for?
Which materials are shielded metal arc welding (SMAW) commonly used for?
Why is Shielded Metal Arc Welding (SMAW) also known as 'stick welding'?
Why is Shielded Metal Arc Welding (SMAW) also known as 'stick welding'?
What is the primary distinction among the members of the Oxyfuel Gas Welding (OFW) group?
What is the primary distinction among the members of the Oxyfuel Gas Welding (OFW) group?
Why is acetylene the most popular fuel among the Oxyfuel Gas Welding (OFW) group?
Why is acetylene the most popular fuel among the Oxyfuel Gas Welding (OFW) group?
What is the purpose of coating the filler rod with flux in oxyacetylene welding?
What is the purpose of coating the filler rod with flux in oxyacetylene welding?
In oxyfuel gas welding, what is the second stage reaction involving acetylene and oxygen?
In oxyfuel gas welding, what is the second stage reaction involving acetylene and oxygen?
What is the most important process in Oxyfuel Gas Welding (OFW)?
What is the most important process in Oxyfuel Gas Welding (OFW)?
What does Oxyacetylene Welding (OAW) employ to direct the flame used in welding?
What does Oxyacetylene Welding (OAW) employ to direct the flame used in welding?
What is the purpose of packing storage cylinders with porous filler material saturated with acetone for C2H2?
What is the purpose of packing storage cylinders with porous filler material saturated with acetone for C2H2?
Which gas dissolves about 25 times its own volume of acetylene?
Which gas dissolves about 25 times its own volume of acetylene?
Why are different screw threads standard on C2H2 and O2 cylinders and hoses?
Why are different screw threads standard on C2H2 and O2 cylinders and hoses?
Which of the following fusion welding processes uses a unique technology to develop heat for melting?
Which of the following fusion welding processes uses a unique technology to develop heat for melting?
What distinguishes fusion welding processes like electron beam welding from arc, resistance, or oxyfuel welding?
What distinguishes fusion welding processes like electron beam welding from arc, resistance, or oxyfuel welding?
Which book would be a relevant source for further information on Fusion Welding?
Which book would be a relevant source for further information on Fusion Welding?
