TDS Lithium-Ion Battery Diploma Engineer Trainee - DET Interview Questions, Process, and Tips

Technical Questions, Maths, Reasoning

ELECTRIC Vehicles car growth of india

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Q1. What is thermodynamics law
Ans. 
Thermodynamics law is a set of principles that govern the behavior of energy in a system.
• There are four laws of thermodynamics

• The first law states that energy cannot be created or destroyed, only transferred or converted

• The second law states that the total entropy of a closed system will always increase over time

• The third law states that as temperature approaches absolute zero, the entropy of a system approaches a mini...read more
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Q2. Difference between IC engine and EV.
Ans. 
IC engine and EV differ in their power source, emissions, and maintenance requirements.
• IC engine runs on fossil fuels, while EV is powered by electricity.

• IC engine emits pollutants like carbon dioxide and nitrogen oxides, while EV produces zero tailpipe emissions.

• IC engine requires regular maintenance like oil changes and tune-ups, while EV has fewer moving parts and requires less maintenance.

• IC engine has limited effi...read more
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Q3. What is Detonation in IC engine
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Detonation is an abnormal combustion process in an internal combustion engine where the air-fuel mixture explodes instead of burning smoothly.
• Detonation occurs when the air-fuel mixture in the combustion chamber ignites spontaneously due to high pressure and temperature.

• It results in a rapid and uncontrolled release of energy, causing a sharp increase in pressure and temperature.

• Detonation can lead to engine knocking, ...read more
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Q4. Define Step and step down transformer
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A step transformer is a type of transformer that increases or decreases the voltage level, while a step-down transformer specifically decreases the voltage level.
• A step transformer is used to either step up or step down the voltage level.

• A step-down transformer is specifically designed to decrease the voltage level.

• Step transformers are commonly used in power distribution systems to match the voltage levels between dif...read more
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Q5. What project done in your academic year and how work that.
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I worked on a project during my academic year that involved designing and implementing a smart home automation system.
• Designed a system to control various devices in a home such as lights, appliances, and security systems.

• Implemented the system using microcontrollers, sensors, and actuators.

• Developed a user-friendly mobile application to remotely control and monitor the smart home.

• Integrated voice recognition technolog...read more
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Q6. What is your favourite subject
Ans. 
My favorite subject is Mechanical Engineering.
• I enjoy studying the principles of mechanics and how they apply to various machines and systems.

• I find the design and analysis of mechanical components and systems fascinating.

• I am particularly interested in thermodynamics and fluid mechanics.

• I enjoy working on projects that involve designing and building mechanical systems.

• I appreciate the practical applications of mechani...read more
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Resoasing, english bacis topic like type of noun adverb, adjective and 60% waightage tachnical subject.

5 topic of gd mainly related yo ec vehicles, automobile sector.

Q1. 1.tharmodaynemics law 2. Hook law 3.strain and stress 4.your last year project in datail knowledge.
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