Koso India CNC Programmer Interview Questions and Answers

Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. What are your strengths and weaknesses?
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Q4. Tell me about yourself.
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Q1. Tell about your family
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Q2. Where do you live place
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Q1. All about Tia Portal & some logic
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Q1. Related about experienced
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Q2. Related about product
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Q1. Personal & work related
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Mathematics & science

Q1. Work related technical questions
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Q1. Interview was based on techincal so every question was based on field(electriacal) like what is plc, what is stepper motor, pwm, transformer, ac drives, etc
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Q2. So the aswer is get your basics clear. the whole process is not to complicated.
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Q1. It was basically how you can handel the situation during breakdown. types of safty followed in industries. type of vfds.
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Q2. The answer was totally based on what kind of job is your previous .
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Q1. About the family. salery job location
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Q2. Basically the answer is not to tough
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Q1. Which brand of PLC have you worked with?
Ans. 
I have experience working with Siemens and Allen-Bradley PLCs, focusing on automation and control systems.
• Worked extensively with Siemens S7-1200 series for industrial automation projects.

• Utilized Allen-Bradley ControlLogix for complex control systems in manufacturing.

• Gained hands-on experience in programming using Ladder Logic and Function Block Diagram.

• Implemented HMI integration with PLCs for real-time monitoring an
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Q2. What is the process for replacing a robot motor?
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Replacing a robot motor involves assessment, disassembly, installation, and testing to ensure proper functionality.
• 1. Assess the motor: Identify the type and specifications of the motor to be replaced.

• 2. Gather tools: Collect necessary tools such as screwdrivers, wrenches, and safety gear.

• 3. Power down the robot: Ensure the robot is turned off and disconnected from any power source.

• 4. Disassemble: Carefully remove any ...read more
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Q3. What types of starters are used to initiate an induction motor?
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Induction motors use various starters to manage starting current and torque, ensuring smooth operation and protection.
• Direct-On-Line (DOL) Starter: Simple and cost-effective, suitable for small motors.

• Star-Delta Starter: Reduces starting current, ideal for larger motors.

• Auto Transformer Starter: Provides variable voltage for smooth starting, used in high-power applications.

• Soft Starter: Controls voltage and current gra...read more
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Q4. What is a stepper motor, and what are PWM signals?
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A stepper motor is a type of motor that moves in discrete steps, while PWM signals control the power delivered to devices.
• Stepper motors are used in 3D printers for precise movement.

• They can be controlled by sending a series of pulses.

• PWM (Pulse Width Modulation) signals vary the width of the pulses to control power.

• PWM is commonly used in motor speed control and LED dimming.
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Q1. Job Description,Working principles of Sensors, Instruments, Motors, Drives, Troubleshooting
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Q1. Job Description,PLC Programming Logic, Languages, Development, Troubleshooting, Hard Wiring
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Q1. Introduction,Experience, TPM, Improvement and achievements.
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