Tata Motors Technical Officer Interview Questions and Answers

Q1. Asked me about myself
Ans. What was your before work in last 5 year.
Answered by Kajal Rajendra Dhangar
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Q2. Asked me about electrical vehicle And two wheeler assembly.
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Q3. Asked me about my education and my family background.
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Q1. Basic of sql database
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Q2. Question joins ,sql
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Q1. Expert in Vehicle service & diagnosis.
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Q2. Handle all vehicle major problems.
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The interviewer gives his requirements dynamically the candidate is to do the coding in live

Q1. The job role is in AI so questions were asked in ML , DL
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Q2. Project explanation and scenario based questions
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Q1. Asked about why I want to leave the current organization
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Q2. Expected CTC and what is the market
Ans. 
Expected CTC should be based on industry standards and the candidate's experience and skills.
• Expected CTC should be in line with the candidate's experience, skills, and the market standards.

• Research the market rates for Technical Leads in the specific industry and location.

• Consider the candidate's previous salary, years of experience, and additional qualifications when determining the expected CTC.
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Q1. The joining formalities
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Q2. Buy out options of the organization
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Q1. Work history, salary and general HR questions.
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Work history and some behavior questions then 4 technical questions

This was online aptitude test by cocubes

Q1. Explain about hydro power station?
Ans. 
A hydro power station is a facility that generates electricity by using the energy of falling water.
• Water is stored in a reservoir and released through turbines to generate electricity

• Hydro power is a renewable energy source

• Hydro power stations can be large or small scale

• Examples include the Hoover Dam in the US and the Three Gorges Dam in China
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Q2. Explain How motor produces torque?
Ans. 
A motor produces torque by creating a magnetic field that interacts with the current flowing through the motor's coils.
• The motor's coils are energized with an electrical current, which creates a magnetic field.

• The magnetic field interacts with the magnetic field of the motor's permanent magnets, causing the rotor to turn.

• The amount of torque produced by the motor is proportional to the strength of the magnetic field an...read more
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Q3. What are different types of motor. What is back emf and does back emf is present in both DC and AC motor
Ans. 
Different types of motors include DC, AC, stepper, servo, etc. Back EMF is present in both DC and AC motors.
• DC motors: brushed, brushless, series, shunt, compound

• AC motors: synchronous, asynchronous, induction

• Back EMF is the voltage generated in the opposite direction to the applied voltage

• Back EMF is present in both DC and AC motors

• Back EMF is used to control the speed of the motor
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Q4. Three phase power transmission
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Q5. How does electric horn produces sound.
Ans. 
Electric horn produces sound by using an electromagnet to vibrate a diaphragm.
• Electric current flows through the coil of an electromagnet.

• The magnetic field produced by the electromagnet attracts and repels a metal diaphragm.

• The diaphragm vibrates rapidly, producing sound waves.

• The sound waves are amplified by a horn or resonator.

• The pitch and volume of the sound can be adjusted by changing the frequency and amplitude ...read more
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Q1. Question on design & development of expertise area (trims, seats, biw, gsm, E&E etc).
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Q2. Development timeline for a full model change program tentative.
Ans. 
The development timeline for a full model change program varies based on the complexity of the program.
• Assess the complexity of the program

• Determine the resources needed for the project

• Create a detailed project plan with milestones

• Allocate resources and assign tasks

• Regularly review progress and adjust timeline as needed
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Q3. Basic inputs required from project team to start the design process of system
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Q4. Cost of the part & product.
Ans. 
The cost of the part and product is a crucial factor in determining the overall profitability of the project.
• The cost of the part and product should be carefully calculated and monitored throughout the project.

• Factors that can affect the cost include materials, labor, shipping, and overhead expenses.

• It is important to balance the cost with the quality of the product to ensure customer satisfaction and repeat business.

• R...read more
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Q5. Supplier for the parts & material details
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Q6. Regulations, Dfmea, DFA, Dfm, vave etc
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Q1. Why changing the job
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Q2. Willingness to relocate to chennai
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Q3. Salary expectations & joing time related
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