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I applied via Naukri.com and was interviewed in Oct 2023. There were 3 interview rounds.
There are various types of welding techniques used for joining materials, and material properties play a crucial role in selecting the appropriate welding method.
Common welding techniques include MIG, TIG, Stick, and Flux-cored welding
Material properties such as melting point, thermal conductivity, and ductility affect the welding process
For example, welding aluminum requires a different technique than welding steel du...
There are several types of welding techniques used in production engineering.
Gas welding - uses a flame to heat and melt the metal
Arc welding - uses an electric arc to melt the metal
MIG welding - uses a wire electrode to join the metal
TIG welding - uses a tungsten electrode to join the metal
Resistance welding - uses an electric current to join the metal
Laser welding - uses a laser beam to join the metal
I applied via Recruitment Consulltant and was interviewed before Sep 2022. There were 2 interview rounds.
Propeller shaft of a vehicle is usually hollow to reduce weight and improve fuel efficiency.
Propeller shafts are typically hollow to reduce weight and improve fuel efficiency
Hollow propeller shafts are commonly used in modern vehicles
Solid propeller shafts are heavier and less efficient
First and third angle projection methods are techniques used in engineering drawings to represent a 3D object on a 2D plane.
First angle projection method is commonly used in Europe and Asia, where the object is imagined to be in the first quadrant of a Cartesian coordinate system.
Third angle projection method is commonly used in North America, where the object is imagined to be in the third quadrant of a Cartesian coor...
Joule's law of heating states that the heat produced in a conductor is directly proportional to the square of the current flowing through it, the resistance of the conductor, and the time for which the current flows.
Heat produced (Q) = I^2 * R * t
Where Q is the heat produced, I is the current, R is the resistance, and t is the time.
The law helps in understanding the relationship between electrical energy and heat gener...
Types of welding include MIG, TIG, stick, and flux-cored welding.
MIG welding uses a wire electrode and shielding gas.
TIG welding uses a tungsten electrode and inert gas.
Stick welding uses a consumable electrode coated in flux.
Flux-cored welding uses a tubular wire filled with flux.
Other types include spot welding, laser welding, and resistance welding.
Resistance welding is a welding process that joins metal parts by applying pressure and passing current through them.
Resistance welding uses heat generated by resistance to electric current to join metal parts.
Common types of resistance welding include spot welding, seam welding, and projection welding.
It is widely used in automotive, aerospace, and electronics industries.
Resistance welding is a fast and efficient meth...
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
Transformers are commonly used to step up or step down voltage in electrical power distribution.
They consist of two coils of wire, known as the primary and secondary coils, wrapped around a core.
The primary coil is connected to a source of alternating current, which creates a changing magnetic field...
Step Down transformer is used in resistance welding.
Step Down transformer reduces the voltage from the power source to a lower voltage suitable for welding.
It helps in providing the high current needed for welding without overheating the equipment.
Example: In resistance spot welding, Step Down transformers are commonly used.
A step down transformer is a type of transformer that decreases the voltage from primary winding to secondary winding.
Step down transformers have more turns in the primary winding than in the secondary winding.
They are used to reduce the voltage for various applications such as in household appliances.
Example: A step down transformer may convert 220V to 110V for use in the United States.
Arm Welders interview questions for popular designations
I applied via Other and was interviewed before Oct 2020. There were 4 interview rounds.
Top trending discussions
posted on 23 Dec 2024
I applied via Approached by Company and was interviewed in Sep 2023. There were 2 interview rounds.
I applied via Campus Placement
Pros and Cons of Social Media
posted on 22 Apr 2024
I applied via Naukri.com and was interviewed in Oct 2023. There were 2 interview rounds.
posted on 2 Mar 2024
I applied via LinkedIn and was interviewed in Feb 2024. There were 2 interview rounds.
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