Tata Motors
Micron Technology Interview Questions and Answers
Q1. Why did you need to use Lidar when you already have camera.
Lidar provides depth information which is crucial for tasks like object detection and obstacle avoidance, which cannot be achieved with just a camera.
Lidar provides accurate depth information which is essential for tasks like object detection and obstacle avoidance.
Cameras alone cannot accurately determine distances to objects, especially in challenging lighting conditions.
Combining Lidar with cameras can provide a more comprehensive understanding of the environment, improvin...read more
Q2. What technology is used to reduce NOx emissions
Selective Catalytic Reduction (SCR) technology is used to reduce NOx emissions.
Selective Catalytic Reduction (SCR) technology is commonly used in diesel engines to reduce NOx emissions.
SCR technology works by injecting a urea-based solution into the exhaust stream, which reacts with the NOx gases and converts them into nitrogen and water.
This technology is widely adopted in vehicles, power plants, and industrial processes to meet emission regulations and improve air quality.
E...read more
Q3. What is agile software ?
Agile software development is a methodology that emphasizes flexibility, collaboration, and iterative development.
Focus on delivering working software in short, iterative cycles
Emphasizes collaboration between cross-functional teams
Allows for flexibility and adaptability to changing requirements
Incorporates feedback from stakeholders throughout the development process
Common frameworks include Scrum, Kanban, and Extreme Programming
Q4. Why BS-6 came before BS-5
BS-6 came before BS-5 due to the need for stricter emission standards and technological advancements.
BS-6 was introduced to address the growing concerns about air pollution and to meet international emission standards.
BS-6 engines are equipped with advanced technologies such as selective catalytic reduction (SCR) and diesel particulate filters (DPF) to reduce harmful emissions.
The implementation of BS-6 norms required significant investments in research and development by aut...read more
Q5. major components of electric vehicles
Major components of electric vehicles include battery, electric motor, power electronics, and charging system.
Battery: Stores electrical energy to power the vehicle.
Electric motor: Converts electrical energy into mechanical energy to drive the vehicle.
Power electronics: Control the flow of electrical energy between the battery and motor.
Charging system: Recharges the battery when connected to a power source.
Q6. cell selection process
Cell selection process involves the recognition and binding of specific molecules on the cell surface.
Cells select other cells or molecules based on surface receptors
Receptors on the cell surface bind to specific ligands
Cell selection is crucial for processes like immune response and tissue development
Q7. types of motor controller
Motor controllers are devices that regulate the speed, torque, and direction of electric motors.
Types include brushed DC motor controllers, brushless DC motor controllers, stepper motor controllers, and servo motor controllers.
Brushed DC motor controllers use a commutator and brushes to control the flow of current.
Brushless DC motor controllers use electronic commutation for more efficient operation.
Stepper motor controllers send pulses to the motor to move it in precise incr...read more
Q8. stress strain curve in detail
Stress strain curve shows the relationship between stress and strain in a material under tension.
Stress strain curve is a graphical representation of the relationship between stress (force per unit area) and strain (deformation) in a material.
It typically consists of a linear elastic region, a yield point, a plastic deformation region, and ultimately failure.
The slope of the curve in the elastic region is the material's Young's Modulus, which represents its stiffness.
The yiel...read more
Q9. laws of thermodynamics
The laws of thermodynamics are fundamental principles that govern energy and its transformations in the universe.
First Law: Energy cannot be created or destroyed, only transferred or converted.
Second Law: The entropy of a closed system will always increase over time.
Third Law: As temperature approaches absolute zero, the entropy of a system approaches a minimum value.
Examples: A car engine converting fuel into motion (First Law), a cup of hot coffee cooling down in a room (Se...read more
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