Fronius Applications Engineer Interview Questions, Process, and Tips for Experienced

Q1. What is your experience on welding??
Ans. 
I have 5 years of experience in welding various materials such as steel, aluminum, and stainless steel.
• Certified in MIG, TIG, and stick welding techniques

• Experience in reading and interpreting blueprints and welding symbols

• Skilled in operating welding equipment and tools

• Knowledge of different welding processes and safety procedures

• Worked on projects involving structural welding and fabrication
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Q2. How to do aluminium welding in Gtaw process
Ans. 
Aluminium welding in Gtaw process involves using a Tungsten electrode to create an arc between the electrode and the workpiece, while shielding with inert gas.
• Clean the aluminium surface thoroughly to remove any contaminants

• Use AC current for better penetration and cleaning action

• Select appropriate filler material compatible with aluminium

• Maintain a consistent travel speed and arc length for quality welds
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Q3. What is meant by Ageing process?
Ans. 
Ageing process refers to the gradual deterioration of physiological functions over time.
• Ageing process is a natural biological phenomenon that occurs in all living organisms.

• It involves a decline in physical and mental capabilities as well as an increased susceptibility to diseases.

• Factors such as genetics, lifestyle choices, and environmental influences can impact the ageing process.

• Examples of ageing-related changes ...read more
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Q4. What is the major parameter settings in power source for aluminium welding?
Ans. 
The major parameter settings in power source for aluminium welding include voltage, current, and pulse settings.
• Voltage setting is crucial for controlling heat input and penetration in aluminium welding.

• Current setting determines the amount of heat generated during the welding process.

• Pulse settings help in controlling the arc stability and reducing heat input.

• Other important parameters include travel speed, shielding ...read more
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Q5. Why are we doing ageing process in maraging steel??
Ans. 
Ageing process in maraging steel is done to increase strength and hardness through precipitation hardening.
• Improves strength and hardness of the steel

• Enhances the mechanical properties

• Increases the resistance to wear and corrosion

• Allows for the formation of intermetallic compounds

• Helps in achieving desired properties for specific applications
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Regarding the welding power sources