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JCB CNC Operator Interview Questions, Process, and Tips

Updated 6 Feb 2025

JCB CNC Operator Interview Experiences

1 interview found

CNC Operator Interview Questions & Answers

user image Anonymous

posted on 6 Feb 2025

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed in Jan 2025.

Round 1 - Coding Test 

Skills and problem-solving.

Round 2 - Case Study 

A comprehensive analysis of a topic.

Round 3 - Aptitude Test 

A standardized assessment.

Round 4 - Technical 

(3 Questions)

  • Q1. What is the process of transforming voltage in a step-down transformer?
  • Ans. 

    In a step-down transformer, voltage is reduced by having more turns in the secondary coil than in the primary coil.

    • Step-down transformers have a higher number of turns in the secondary coil compared to the primary coil.

    • This results in a decrease in voltage from the primary to the secondary coil.

    • The ratio of turns in the primary and secondary coils determines the amount of voltage reduction.

    • For example, a step-down tran...

  • Answered by AI
  • Q2. What is the Transformer..?
  • Ans. 

    A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

    • Transformers are used to increase or decrease voltage levels in electrical circuits.

    • They consist of two coils of wire, known as the primary and secondary coils, wrapped around a core made of iron or other magnetic materials.

    • Transformers are commonly used in power distribution systems to ...

  • Answered by AI
  • Q3. What is voltage
  • Ans. 

    Voltage is the difference in electric potential between two points in a circuit, measured in volts.

    • Voltage is the force that pushes electric current through a circuit.

    • It is measured in volts (V).

    • Higher voltage means more potential energy for electrons to flow.

    • Voltage can be DC (direct current) or AC (alternating current).

  • Answered by AI
Round 5 - Aptitude Test 

Ohm's Law. state that the strength of the current flowing in close circuit at a constant temp its directly propertional to the voltage across conductors propertional to resistance

Round 6 - Technical 

(2 Questions)

  • Q1. What are the different types of motors?
  • Ans. 

    Different types of motors include DC motors, AC motors, stepper motors, and servo motors.

    • DC motors: Direct current motors that convert electrical energy into mechanical energy.

    • AC motors: Alternating current motors that use alternating current to produce rotational motion.

    • Stepper motors: Motors that move in discrete steps, commonly used in precision applications.

    • Servo motors: Motors that use feedback to control position

  • Answered by AI
  • Q2. What is a generator in the context of electrical engineering?
  • Ans. 

    A generator in electrical engineering is a device that converts mechanical energy into electrical energy.

    • Generators are commonly used in power plants to generate electricity for homes and businesses.

    • They can also be used in portable devices like RVs or construction sites.

    • Generators work by rotating a coil of wire within a magnetic field to create an electric current.

    • There are different types of generators including die

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Connect with a professional in your field of expertise.

Interview questions from similar companies

Interview Questionnaire 

1 Question

  • Q1. What is java
  • Ans. 

    Java is a high-level programming language used for developing applications and software.

    • Java is object-oriented and platform-independent.

    • It is used for developing web, mobile, and desktop applications.

    • Java code is compiled into bytecode and executed by the Java Virtual Machine (JVM).

    • Popular frameworks and tools for Java development include Spring, Hibernate, and Maven.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - checkout google

Skills evaluated in this interview

I applied via Naukri.com and was interviewed before Jun 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Puzzle solving

Interview Preparation Tips

Interview preparation tips for other job seekers - Properly interviewed

I applied via Naukri.com and was interviewed before Apr 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Swap two numbers without using temp variable
  • Ans. 

    Swapping two numbers without using a temp variable

    • Use arithmetic operations to swap the values

    • Add the two numbers and store the result in the first variable

    • Subtract the second variable from the result and store it in the second variable

    • Subtract the second variable from the first variable to get the original value of the second variable

    • Example: a=5, b=7; a=a+b=12, b=a-b=5, a=a-b=7

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Don't go for service based companies

Skills evaluated in this interview

I applied via Company Website and was interviewed before Jan 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Wifi connectivity

Interview Preparation Tips

Interview preparation tips for other job seekers - Learn about wifi and performance

Engineer Interview Questions & Answers

TCS user image Anonymous

posted on 1 Jul 2015

Interview Preparation Tips

Round: Other Interview
Experience: They were core interviews basically and highly focused on Resume points.
Tips: Projects and internships were given significant importance and they grilled students on these aspects.

General Tips: Interview questions were mostly core sprinkled with a few HR questions. They asked a lot of questions on Heat,mass transfer. They look for students who have good conceptual knowledge of fundamentals of core courses.
Skill Tips: High importance was given to all courses basics.
Skills: Core courses concepts., Project and internship experiences.
College Name: IIT MADRAS

I applied via Naukri.com and was interviewed in Jun 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Tool Test : NX/ NX Team center
  • Ans. Able to complete tool test within time.
  • Answered Anonymously

Interview Preparation Tips

Interview preparation tips for other job seekers - Be bold and courage. Kindly try to answer all the questions asked without thinking.

Interview Questionnaire 

1 Question

  • Q1. Tell me about yourself

Interview Preparation Tips

Interview preparation tips for other job seekers - be calm and don need to worry about technical person

Interview Questionnaire 

3 Questions

  • Q1. How make the current in transformer?
  • Ans. 

    The current in a transformer is made by inducing voltage across the primary coil.

    • The primary coil of a transformer is connected to an alternating current (AC) source.

    • The alternating current in the primary coil creates a changing magnetic field.

    • This changing magnetic field induces a voltage across the secondary coil.

    • The induced voltage in the secondary coil causes a current to flow through it.

    • The current in the secondar...

  • Answered by AI
  • Q2. Explain the dc shunt motors
  • Ans. 

    DC shunt motors are a type of direct current motor that have a parallel field winding and a series armature winding.

    • DC shunt motors have a parallel field winding and a series armature winding.

    • They are commonly used in applications that require constant speed and moderate starting torque.

    • The speed of a DC shunt motor can be controlled by varying the field current or the armature voltage.

    • DC shunt motors are widely used i...

  • Answered by AI
  • Q3. Characteristics of dc shunt motor
  • Ans. 

    A DC shunt motor is a type of direct current motor that has a shunt field winding connected in parallel with the armature winding.

    • The field winding and armature winding are connected in parallel

    • The shunt motor has a relatively constant speed-torque characteristic

    • The speed of the motor can be controlled by varying the field current

    • The motor provides good starting torque

    • The shunt motor is commonly used in applications wh...

  • Answered by AI

Engineer Interview Questions & Answers

TCS user image Anonymous

posted on 21 Nov 2021

Interview Questionnaire 

1 Question

  • Q1. Tell me about yourself

Interview Preparation Tips

Interview preparation tips for other job seekers - All the best for the interview.
Contribute & help others!
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You can choose to be anonymous

JCB Interview FAQs

How many rounds are there in JCB CNC Operator interview?
JCB interview process usually has 6 rounds. The most common rounds in the JCB interview process are Aptitude Test, Technical and Coding Test.
What are the top questions asked in JCB CNC Operator interview?

Some of the top questions asked at the JCB CNC Operator interview -

  1. What is the process of transforming voltage in a step-down transform...read more
  2. What is a generator in the context of electrical engineeri...read more
  3. What are the different types of moto...read more

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JCB CNC Operator Interview Process

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Interview experience

5
  
Excellent
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JCB CNC Operator Salary
based on 6 salaries
₹1.9 L/yr - ₹2.5 L/yr
5% more than the average CNC Operator Salary in India
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