Subros Engineer Trainee Interview Questions and Answers

General aptitude and technical questions from every engg field (mech,CS, Electrical,Electronics)
Need basic technical knowledge to crack

Group debate of 18-20 candidates with 9-10 in each team (in favour and against)

Topics related to Automobile industry or latest trends

18 candidates selected from 3 GDs

Q1. Family background
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Q2. Why Denso, what makes you eligible
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Q3. AC is an electrical appliance but sold in Electronics shop why so?
Ans. 
AC is sold in Electronics shops because it is an electrical appliance that utilizes electronic components for its operation.
• ACs use electronic components like capacitors, resistors, and microcontrollers for regulating temperature and controlling functions.

• Electronics shops specialize in selling a wide range of electronic devices, including appliances like ACs.

• ACs are considered as part of the electronics category due t...read more
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Q4. Any other recruitment filled ?
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Q1. How can you operate 4 different light bulbs under different trigger condition?
Ans. 
To operate 4 different light bulbs under different trigger conditions, use a combination of switches, timers, sensors, and programming.
• Use individual switches to control each light bulb independently.

• Set up timers to automatically turn on/off specific light bulbs at scheduled times.

• Utilize sensors such as motion sensors or light sensors to trigger certain light bulbs based on environmental conditions.

• Program a microcon...read more
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Q2. What is the process of cooling in AC
Ans. 
AC cooling process involves refrigerant absorbing heat from indoor air and releasing it outside.
• Refrigerant absorbs heat from indoor air through evaporator coils

• The warm refrigerant is then pumped to the condenser coils located outside

• Condenser coils release the heat absorbed from indoor air to the outside environment

• The refrigerant then goes back to the evaporator coils to repeat the cycle
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Q3. Basics of semiconductor devices (by japanese panelist)
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Q4. How can you make a transistor if semiconductor material is given to you (by japanese panelist)
Ans. 
To make a transistor, semiconductor material can be used to create a structure with three layers: emitter, base, and collector.
• Start by doping the semiconductor material with impurities to create the different layers.

• Use lithography and etching techniques to define the structure of the transistor.

• Add metal contacts to the different layers to allow for electrical connections.

• Test the transistor to ensure proper function...read more
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English, Aptitude each 25 questions
Technical 50 questions

Given general topics and evaluated speaking and thinking abilities

Q1. More about resume related questions
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Q2. More about Engineering questions
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Q1. Senior level interview, quiet tough
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Q1. General HR questions
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Q2. Background verification
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Q1. Senior level HR interview
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Q1. Type of bearings
Ans. 
Bearings are mechanical components that allow for smooth rotation or movement between two parts.
• Types of bearings include ball bearings, roller bearings, plain bearings, and fluid bearings.

• Ball bearings use balls to reduce friction between two surfaces.

• Roller bearings use cylindrical rollers to support radial and axial loads.

• Plain bearings have a sliding surface instead of balls or rollers.

• Fluid bearings use a thin lay
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Q2. Bearings application and uses
Ans. 
Bearings are used to reduce friction between moving parts in machinery, allowing for smooth rotation or linear motion.
• Bearings are commonly used in vehicles, industrial machinery, and household appliances.

• They help support and guide rotating or linear moving parts, reducing friction and wear.

• Examples include ball bearings, roller bearings, and plain bearings.

• Bearings can also be used in applications such as electric mo
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Q3. Material heat treatment types
Ans. 
Material heat treatment types include annealing, tempering, quenching, and normalizing.
• Annealing: heating the material to a specific temperature and then slowly cooling it to relieve internal stresses and increase ductility.

• Tempering: heating the material to a moderate temperature and then cooling it to improve toughness and reduce brittleness.

• Quenching: rapid cooling of the material to increase hardness by forming mar...read more
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Basic aptitude questions

Q1. About interships
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Q1. Are you able to join other plants
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35 Questions

General knowledge/Technical Questions

Q1. Why should we hire you?
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Q2. Tell me about yourself.
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Q1. Technical Questions Dimensions calculation, Tolerance, Drawing, Documentation
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