Addverb Technologies Interview Questions, Process, and Tips

Logical thinking based coding based on arrays for loops and passing of pointers, arrays in function and returning array pointer took place on leetcode, 2nd question was based on linked list, structure implementation, reducing complexity of code, finding if linked list is circular or not with O(1) complexity.

Q1. About yourself and introduction about background
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Q2. Case studies related to the experience
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Q1. About projects, how do they work, what all have you implemented
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Q2. One simple question on average of array elements
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Q1. Power transmission
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Q1. Electric grid stability
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Q1. Where you see yourself
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Q1. What is a mailing machine
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Q2. What is the lathe machine
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Q1. What is polymorphism in C++?
Ans. 
Polymorphism in C++ allows objects of different classes to be treated as objects of a common superclass.
• Polymorphism is achieved through virtual functions and function overriding.

• It allows for more flexibility and extensibility in code.

• Example: A base class 'Shape' with virtual function 'draw', and derived classes 'Circle' and 'Square' that override 'draw'.
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Q2. Explain how different kind of motions are achieved in a Drone
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Different motions in a drone are achieved through varying the speed and direction of the propellers.
• Changing the speed of the propellers controls the altitude of the drone.

• Varying the speed of propellers on different sides of the drone allows it to move forward, backward, left, or right.

• Adjusting the speed of the propellers diagonally creates rotational motion for turning.

• Combining these motions enables the drone to pe
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Q3. Linux Commands?
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Q4. Explain PID controller and its tunning.
Ans. 
PID controller is a control loop feedback mechanism used in systems to control process variables.
• PID stands for Proportional, Integral, Derivative.

• Proportional term responds to the current error.

• Integral term corrects the accumulated error over time.

• Derivative term predicts future error based on current rate of change.

• Tuning involves adjusting the three parameters (P, I, D) to achieve desired system response.

• Example: I...read more
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Q1. Tell me about basics of plc??
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PLC stands for Programmable Logic Controller, used in industrial automation to control machinery and processes.
• PLC is a digital computer used for automation of electromechanical processes.

• It uses a programmable memory to store instructions and specific functions.

• PLCs are commonly used in manufacturing plants, assembly lines, and robotic devices.

• They can be programmed using ladder logic, function block diagrams, or stru...read more
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Q2. Tell something about industrial automation??
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Industrial automation involves the use of control systems such as robots and computers to handle different processes and machinery in an industrial setting.
• Industrial automation helps improve efficiency and productivity by reducing human intervention in repetitive tasks.

• It involves the use of sensors, actuators, and controllers to monitor and control various processes.

• Examples of industrial automation include automated...read more
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