Luman Industries Executive Engineer Interview Questions and Answers

Q1. Past experiences & qualification , job flexibility
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Q1. Tool room related
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Reasoning, enlish , appitude

Q1. Job leave resonal , future planing
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Q1. PLC Programming...Read and write and problem identify
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Q1. How you will lead a team and how b/d reduce
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Q1. Embedded C questions
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Q2. Watchdog Timer, I2C, SPI, UART
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Q3. Design State Machine
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Q4. Mix Sound Driver
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Q5. Renesas related
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Q1. Bootloader related UDS services
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Q2. HSM and flash driver
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Q3. Startup code sequence
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Startup code sequence refers to the order in which code is executed when a program is launched.
• Startup code sequence typically involves initializing variables, setting up memory, and executing any necessary setup functions.

• Examples of startup code sequence include setting up hardware registers in embedded systems, initializing global variables in C programs, and loading configuration files in web applications.
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Q1. Are you ready to work on weekends
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Yes, I am willing to work on weekends if necessary to meet project deadlines or address urgent issues.
• I understand that sometimes working on weekends may be required in order to meet project deadlines or address urgent issues.

• I am committed to delivering high-quality work and am willing to put in extra hours when needed.

• I am flexible with my schedule and can adjust my plans to accommodate weekend work if necessary.
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Q2. How will you manage conflicts within the team
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I will address conflicts by promoting open communication, active listening, and facilitating constructive discussions.
• Encourage open communication among team members to address conflicts early on

• Practice active listening to understand all perspectives involved

• Facilitate constructive discussions to find mutually beneficial solutions

• Establish clear team norms and guidelines for conflict resolution

• Seek input from team mem...read more
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Q3. Why are you switching jobs
Ans. 
Seeking new challenges and opportunities for growth in a more innovative and dynamic environment.
• Looking for new challenges and opportunities for growth

• Interested in working in a more innovative and dynamic environment

• Seeking career advancement and professional development
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Q1. Salary negotiation and Notice period
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Q2. Why are you switching
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Seeking new challenges and opportunities for growth in a different environment.
• Looking for new challenges and opportunities for growth

• Interested in working with different technologies or industries

• Seeking a better work-life balance or company culture

• Wanting to expand skill set or take on more responsibilities

• Relocation to a new area
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Shift supervisor , plastic material

Q1. Expected CTC and family details
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Q1. What is relay and it's function working
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 circuits with low power signals.

• They can be used to control motors, lights, and other electrical devices.

• Relays have an input coil that generates a magnetic field when current flows through it.

• This magnetic field attracts a movable armature, which closes or opens the s...read more
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Q2. Why we are using switches and not relay in some of domestic applications
Ans. 
Switches are used instead of relays in some domestic applications due to their smaller size, lower cost, and faster response time.
• Switches are smaller in size compared to relays, making them more suitable for compact domestic appliances.

• Switches are generally less expensive than relays, making them a cost-effective choice for domestic applications.

• Switches have a faster response time compared to relays, allowing for qu...read more
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Q3. What do you know about relay
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A relay is an electrically operated switch that uses an electromagnet to mechanically control the switching action.
• Relays are commonly used in electrical systems to control high-power devices with low-power signals.

• They consist of a coil, an armature, and a set of contacts.

• When the coil is energized, the armature moves and closes or opens the contacts, allowing or interrupting the flow of current.

• Relays are used in var...read more
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Q4. Do you know the manufacturing procedure of relays
Ans. 
Yes, I know the manufacturing procedure of relays.
• Relays are electromechanical devices used to control the flow of electricity in a circuit.

• The manufacturing procedure involves several steps such as designing, prototyping, testing, and mass production.

• Designing includes selecting the appropriate materials, determining the specifications, and creating the circuit diagram.

• Prototyping involves creating a working model to ...read more
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Q5. Do heard about epoxy and its use for relay
Ans. 
Yes, epoxy is commonly used in relays for its insulating and adhesive properties.
• Epoxy is a type of resin that can be used as an adhesive or coating.

• In relays, epoxy is often used to encapsulate and protect the internal components.

• It provides insulation and helps to prevent moisture or dust from entering the relay.

• Epoxy can also improve the mechanical strength and stability of the relay.

• For example, epoxy is used in au...read more
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Q6. Which material use for relay contact soldering
Ans. 
The material used for relay contact soldering is typically silver or silver alloy.
• Silver or silver alloy is commonly used for relay contact soldering due to its high electrical conductivity and low resistance.

• Silver solder has a lower melting point compared to other solder materials, making it suitable for delicate electronic components.

• The use of silver or silver alloy solder helps ensure reliable and efficient electr...read more
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Q7. Tell 5 real time applications of relayss
Ans. 
Relays are used in various real-time applications for controlling electrical circuits.
• Industrial automation: Relays are used to control motors, pumps, and other industrial equipment.

• Power distribution: Relays are used in power grids to control the flow of electricity and protect against overloads.

• Automotive industry: Relays are used in vehicles for controlling headlights, wipers, and other electrical systems.

• Telecommun...read more
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