URC Construction ERP Coordinator Interview Questions and Answers

Q1. All questions where asked based on resume
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Q2. Project related questions
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Q1. Explain Basics OOP Pillars
Ans. 
The basics of OOP (Object-Oriented Programming) pillars are encapsulation, inheritance, and polymorphism.
• Encapsulation: Bundling data and methods together in a class to hide implementation details.

• Inheritance: Creating new classes from existing ones, inheriting their properties and behaviors.

• Polymorphism: Objects of different classes can be treated as objects of a common superclass, allowing flexibility and extensibili
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Q2. What's copy constructor. Why it's passed by reference Why copy constructor can not be void
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A copy constructor is a special constructor that creates a new object by copying the values of another object.
• Copy constructor is used to create a new object with the same values as an existing object.

• It is passed by reference to avoid unnecessary object copying, which can be expensive.

• Copy constructor cannot be void because it needs to return the newly created object.
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Q3. Difference in array and linked list
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Array is a contiguous block of memory, while linked list is a collection of nodes connected by pointers.
• Array has constant time access to elements, while linked list requires traversing the list.

• Array has fixed size, while linked list can dynamically grow or shrink.

• Insertion and deletion in array is expensive, while linked list can easily insert or delete nodes.

• Array is suitable for random access, while linked list is
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Q4. Given three points how to check if they are colinear
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To check if three points are colinear, calculate the slope between each pair of points and compare them.
• Calculate the slope between the first two points using the formula: slope = (y2 - y1) / (x2 - x1)

• Calculate the slope between the second and third points using the same formula

• If the slopes between all pairs of points are equal, then the points are colinear
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Q5. Given point and circle how to find if point is inside circle or outside circle
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To determine if a point is inside or outside a circle, calculate the distance between the point and the center of the circle.
• Calculate the distance between the point and the center of the circle using the distance formula: sqrt((x2 - x1)^2 + (y2 - y1)^2)

• If the distance is less than the radius of the circle, the point is inside the circle. If it is equal to the radius, the point is on the circle. Otherwise, it is outsid
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Q6. How to find resultant of two vectors in terms of magnitude and direction
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The resultant of two vectors can be found by adding the magnitudes and finding the direction using trigonometry.
• To find the magnitude of the resultant, use the Pythagorean theorem: magnitude = sqrt(a^2 + b^2)

• To find the direction of the resultant, use trigonometry: direction = atan(b/a)

• If the vectors are given in terms of their components, add the corresponding components to find the resultant
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Q7. Can child class point points to base class?
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Yes, a child class can point to a base class.
• In object-oriented programming, a child class can inherit from a base class and use its methods and properties.

• A child class can also override the methods of the base class to provide its own implementation.

• Polymorphism allows a child class object to be treated as a base class object, enabling it to point to the base class.

• This is useful for code reusability and creating a h
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Q1. What is Notice Period ?
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Q2. What is Current CTC ?
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Current CTC refers to the current salary or compensation package of the candidate.
• Current CTC is the total amount of money a candidate is currently earning from their job.

• It includes the base salary, bonuses, incentives, and any other monetary benefits.

• Candidates may choose to disclose their Current CTC during interviews to negotiate a better offer.

• For example, if a candidate's Current CTC is $80,000 per year, it means...read more
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Q3. AB PLC Hardware
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Q4. Addon Instructions
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Q5. Redundancy architecture
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Q1. General technical questions
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Q1. Behavioural test
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Q1. About the technologies mentioned in the resume
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Q2. SQL, Python, Power BI , Shell
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Q1. Questions related to project in which you previously worked... Oops concepts, MVC related ques
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Q1. Moreover managerial type questions were asked..
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Basic plc, modbus and ring topology related questions

Q1. Tricky PLC related questions
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Q2. Explain ring topology
Ans. 
Ring topology is a network topology where each device is connected to exactly two other devices, creating a circular network.
• Devices are connected in a circular manner

• Data flows in one direction

• Failure of one device can affect the entire network

• Examples include Token Ring and SONET
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Q3. Explain modbus protocol
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Modbus is a communication protocol used for transmitting data over serial lines between electronic devices.
• Modbus is used in industrial automation systems to connect a supervisory computer with remote terminal units (RTUs) and programmable logic controllers (PLCs).

• It uses a master-slave architecture where the master initiates the communication and the slaves respond to the requests.

• Modbus supports different data types ...read more
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Q1. Interview with manager, same question like round two in 3
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Q1. Salary expectations Why you want to leave last company
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I am looking for a competitive salary and better growth opportunities. I am leaving my last company due to lack of growth and learning opportunities.
• I am seeking a salary that is competitive with industry standards

• I am looking for better growth opportunities and a chance to learn new skills

• My previous company did not offer the growth and learning opportunities I was looking for

• I am excited about the potential for growt
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