TDS Lithium-Ion Battery Quality Engineer Interview Questions and Answers

Who are you? Why do this job you?

Q1. What is transformers?
Ans. 
Transformers are electrical devices that transfer electrical energy between two or more circuits through electromagnetic induction.
• Transformers are used to increase or decrease the voltage of an alternating current (AC) electrical supply.

• They consist of two or more coils of wire, known as windings, which are wound around a core made of magnetic material.

• The primary winding is connected to the input voltage source, whil...read more
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Q2. Type of transformers
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Transformers are electrical devices that transfer electrical energy between two or more circuits through electromagnetic induction.
• There are various types of transformers, including power transformers, distribution transformers, autotransformers, and instrument transformers.

• Power transformers are used to step up or step down voltage levels in power transmission and distribution systems.

• Distribution transformers are use...read more
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Q3. What is relay? Andavantage of relay
Ans. 
A relay is an electrically operated switch that uses an electromagnet to mechanically control the switching action.
• Relays are used to control high power or high voltage circuits with a low power signal.

• They can be used to switch on or off electrical devices remotely.

• Relays provide electrical isolation between the control circuit and the circuit being controlled.

• They are commonly used in automotive applications, industr...read more
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Q1. Nothing serious if you went on ref all interview are scheduled on ref basis
Ans. They dont even ask your name if you went there on ref i have seen many peoples who write their name spelling wrong in CV still gets selected on ref basis, so make sure you have proper ref
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Q2. About your previous experiance
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Q1. Hr always ask about your self and offers 15 to 20% hike and try to convince you to settle for low by telling you brand value and told u they will give you increament after 6 month depends on your perform...read more
Ans. Make sure you get enough hike they never revise your sallery once you join.
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Q1. What is reflow?
Ans. 
Reflow is a process in which solder paste is melted to create a permanent bond between components and a circuit board.
• Reflow is commonly used in surface mount technology (SMT) to attach components to printed circuit boards (PCBs).

• The process involves heating the solder paste to a specific temperature, causing it to melt and form a bond between the component leads and the PCB pads.

• There are different types of reflow pro...read more
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Hr studied my resume and a test sheet which is given by HR to us to solve some maths queries in the paper
And some English to Hindi translations words

Q1. 1. Which is important quality or quantity 2.what is Full form of mAh in battery 3. Subject name which you recently studied in your last semester 4.what is a job mean in according to your mindset
Ans. 
Quality is more important than quantity as it ensures that the desired standards are met.
• Quality ensures customer satisfaction and loyalty.

• Quality products or services have a longer lifespan and require fewer repairs or replacements.

• Quality leads to improved efficiency and productivity.

• Quality reduces waste and costs in the long run.

• Quantity alone does not guarantee customer satisfaction or business success.

• Examples: A...read more
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Q2. What is full form of mAh in battery
Ans. 
mAh stands for milliampere-hour, which is a unit of measurement for the capacity of a battery.
• mAh is used to measure the amount of electrical charge a battery can hold.

• It represents the amount of current a battery can deliver over a specific period of time.

• The higher the mAh rating, the longer the battery will last before needing to be recharged.

• For example, a battery with a capacity of 2000mAh can deliver a current of
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Q3. What is your previous subject name in previous semester
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Q4. What is mean of job in your mindset
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Q1. Salary discussion
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Q1. Related to experience
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The topic can range from current affairs and social issues to abstract concepts or case studies. It may be assigned randomly or chosen from a list.

Used to evaluate performance, implement strategies, solve specific problems, or contribute to organizational goals.