John Deere Technical Trainee Interview Questions and Answers

Q1. What is a four-stroke engine?
Ans. 
A four-stroke engine is an internal combustion engine that completes a power cycle in four strokes of the piston.
• The four strokes are: intake, compression, power, and exhaust.

• Intake: The piston moves down, drawing in air-fuel mixture.

• Compression: The piston moves up, compressing the mixture.

• Power: The spark plug ignites the mixture, pushing the piston down.

• Exhaust: The piston moves up again, expelling exhaust gases.

• Com...read more
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Q2. What project did you complete during your diploma program?
Ans. 
I developed a smart irrigation system using IoT technology to optimize water usage in agriculture.
• Utilized Arduino and sensors to monitor soil moisture levels.

• Implemented a mobile app for real-time data access and control.

• Conducted field tests to evaluate water savings and crop yield improvements.

• Collaborated with a team of three to design and prototype the system.
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Q3. What is CNC (Computer Numerical Control)?
Ans. 
CNC (Computer Numerical Control) automates machine tools using computer programming for precision manufacturing.
• CNC machines include lathes, mills, and routers.

• They use G-code programming language to control movements.

• CNC allows for high precision and repeatability in manufacturing.

• Applications include aerospace, automotive, and medical device production.

• CNC technology reduces human error and increases efficiency.
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Q4. What is an impact wrench and how is it used?
Ans. 
An impact wrench is a power tool that delivers high torque output for loosening or tightening fasteners quickly and efficiently.
• Uses a rotating mass to deliver sudden bursts of torque.

• Commonly used in automotive repair for changing tires.

• Available in electric, pneumatic, and cordless models.

• Ideal for heavy-duty applications like construction and manufacturing.

• Example: A mechanic uses an impact wrench to quickly remove ...read more
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Q5. What are the different types of gears?
Ans. 
Gears are mechanical components that transmit torque and motion between rotating shafts, available in various types for different applications.
• Spur Gears: Straight teeth, used in simple machines like clocks.

• Helical Gears: Angled teeth, provide smoother operation, used in automotive transmissions.

• Bevel Gears: Cone-shaped, used to change the axis of rotation, found in hand drills.

• Worm Gears: Screw-like, provide high torq...read more
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Q6. Self introduction
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Question paper about training basis

Aptitude test duration is 45 minutes. The topic were ask about industrial safety ,skill test.

Q1. Interview question ask about my skills, tools and what type of machine you know?
Ans. I have complete my diploma in mechanical engineering, I have knowledge about various type of gauges, knowledge about lathe machine, drilling machine etc.
Answered by Chetan Walke
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Q2. Tell me about yourself?
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Q1. Isometric drawing related, what is 5s ,
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Q2. 7qc tools , 8d tools
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