Bajaj Auto Technical Associate Interview Questions, Process, and Tips

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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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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