Daljyor Unemployed Engineers' Co Operative Society CNC Machine Operator Interview Questions and Answers

Q1. Mcodes and g codes
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Q1. Salary expectation
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Averages
time and work
Speed time and distance
Simple percentages

Conclusions
Introduction and summaries
References

Q1. Vmc machine operating
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Q2. What you know vmc machine
Ans. 
A VMC machine, or Vertical Machining Center, is a type of CNC machine used for precision cutting and shaping of metal workpieces.
• VMC machines use computer numerical control (CNC) to automate the cutting process

• They have a vertical spindle that moves along the X, Y, and Z axes to cut and shape metal workpieces

• VMC machines are commonly used in manufacturing industries for producing complex parts with high precision
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Q3. Which 3d software u can use
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I can use software like SolidWorks, AutoCAD, and Fusion 360 for 3D modeling and design.
• SolidWorks

• AutoCAD

• Fusion 360
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A discussion involving a number of people who are connected by some shared activity, interest or quality

Q1. Factorial program?
Ans. 
A factorial program is a program that calculates the factorial of a given number.
• Factorial of a number is the product of all positive integers up to that number.

• For example, the factorial of 5 (5!) is 5 x 4 x 3 x 2 x 1 = 120.

• Factorial program can be implemented using loops or recursion in programming languages like C, Java, Python, etc.
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Q2. Palindrome code?
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Q3. Check whether the number is prime or not?
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A prime number is a number greater than 1 that has no positive divisors other than 1 and itself.
• Check if the number is greater than 1.

• Loop through numbers from 2 to the square root of the number and check if any of them divides the number evenly.

• If no divisor is found, the number is prime.
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Q4. Check whether the number is even or not?
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To check if a number is even, divide it by 2 and see if there is a remainder.
• Divide the number by 2

• If there is no remainder, the number is even

• Example: 6 divided by 2 equals 3 with no remainder, so 6 is even
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Aptitude test on CS subjects like C programming, DBMS, CN, and OS.

There were 2 input-output based questions of easy to moderate level

Every candidate was given an individual topic and was asked to speak on it

Q1. Some typical HR questions
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Aptitude round consists Logical reasoning, General Aptitude, Grammar related questions etc. All are moderate level questions.

Q1. Explain OOPs w.r.t Java
Ans. 
OOPs is a programming paradigm that uses objects to represent real-world entities. Java is an OOPs language.
• OOPs stands for Object-Oriented Programming System

• Java is a class-based OOPs language

• Encapsulation, Inheritance, Polymorphism, and Abstraction are the four pillars of OOPs

• Objects have state and behavior

• Java supports interfaces, which allow for multiple inheritance

• Example: A car can be represented as an object wit...read more
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Q2. Explain about the projects that you have worked on
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Q3. Explain how Java solves machine dependency of code execution
Ans. 
Java solves machine dependency by using bytecode and virtual machine.
• Java code is compiled into bytecode which is platform-independent

• The bytecode is executed by the Java Virtual Machine (JVM) which is platform-specific

• JVM translates bytecode into machine code for the specific platform

• This allows Java code to run on any platform with a JVM installed

• Example: A Java program compiled on Windows can run on Linux or Mac as
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Q1. Why should we hire you?
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Q2. Tell me about yourself.
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