Lohia Corp Manager SCM Interview Questions and Answers

Thermal background required to crack this down

General topics on discussion,

Q1. Depends on the interviewer, basically thermal related questions can be a major topic
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Q1. Final round where they negotiate your salary
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Q1. How to change the connector in inline wiring harness.
Ans. 
To change the connector in an inline wiring harness, follow these steps:
• Identify the type of connector needed for the replacement

• Disconnect the existing connector from the wiring harness

• Cut off the old connector, leaving enough wire length for the new connector

• Strip the insulation from the wire ends

• Crimp or solder the wires to the new connector

• Secure the new connector to the wiring harness

• Test the connection for proper...read more
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Q2. How to Draw the connection line.
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To draw a connection line, start by identifying the two points you want to connect. Then, use a ruler or straight edge to draw a straight line between the two points.
• Identify the two points you want to connect

• Use a ruler or straight edge to draw a straight line between the two points

• Ensure the line is clear and well-defined
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General Aptitude test of 50 questions, need to clear in 1 hour

Q1. Technical question in academics, questions on final project, Pump & fluid related questions
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Q1. Regular HR questions
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Questions from transducer digital electronics

Q1. Explain your project
Ans. 
Developed a compact, energy-efficient solar-powered water purification system for rural communities.
• Designed a prototype using CAD software to visualize the system components.

• Conducted material selection to ensure durability and efficiency, using UV-resistant plastics.

• Implemented a filtration process that combines sand, charcoal, and UV light for effective purification.

• Tested the system in various water quality scenari...read more
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Q1. I didn't selected for HR round
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Machine design, CAD, Strength of Machines

Q1. Various thermodynamic processes,
Ans. 
Thermodynamic processes are various ways in which energy can be transferred to or from a system.
• Isothermal process: constant temperature

• Adiabatic process: no heat transfer

• Isobaric process: constant pressure

• Isochoric process: constant volume

• Examples: carnot cycle, rankine cycle, stirling cycle
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Q2. Factor of safety
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Factor of safety is the ratio of the maximum stress a material can withstand to the actual stress it is subjected to.
• It is used to ensure the safety and reliability of a design.

• It is calculated by dividing the ultimate strength of a material by the maximum stress it is expected to experience.

• A higher factor of safety indicates a more reliable design.

• Factors of safety vary depending on the application and industry.

• For e...read more
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Q3. What is entropy and real life example
Ans. 
Entropy is a measure of disorder or randomness in a system.
• Entropy increases with time in a closed system

• A messy room has higher entropy than a clean room

• Melting of ice is an example of increase in entropy

• Burning of wood is another example of increase in entropy
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Q4. What is Otto cycle
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Otto cycle is a four-stroke combustion cycle used in spark-ignition engines.
• It consists of four processes: intake, compression, power, and exhaust.

• During the intake stroke, the fuel-air mixture is drawn into the cylinder.

• In the compression stroke, the mixture is compressed to a high pressure and temperature.

• The power stroke is where the spark plug ignites the mixture, causing it to expand and push the piston down.

• Final...read more
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Q1. Engineering Basics
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Q1. Technical questions related to the previous experience
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