ADM SOLAR POWER AND INFRASTRUCTURE Interview Questions and Answers

C programming coding

Q1. Introduction , Family background , why iasys, why should hire you, salary expectation
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Q1. Introduction, in which programming language are you comfortable( 45 min)
Ans. 
I am comfortable with C, C++, and Python for embedded software development.
• Proficient in C for low-level programming

• Experienced in C++ for object-oriented design

• Skilled in Python for scripting and automation tasks
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Q2. What is class object, inheritance, function overloading ,function overriding, difference between encapsulation and abstraction, volatile keyword
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Class object is an instance of a class, inheritance allows a class to inherit properties and methods from another class, function overloading is defining multiple functions with the same name but different parameters, function overriding is redefining a function in a subclass, encapsulation is bundling data and methods that operate on the data into a single unit, abstraction is hiding the implementation details and sho...read more
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Q3. What is pointer and it's type
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A pointer is a variable that stores the memory address of another variable.
• Types of pointers include null pointers, void pointers, function pointers, and array pointers.

• Example: int *ptr; // pointer to an integer variable

• Example: char *str = 'hello'; // pointer to a character array
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Q4. Static function with implementation , virtual function with code, multilevel inheritance implementation
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Q5. Projects deep, what challenges faced and how to overcome, your role in project
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Q1. Technical 2 (1 hour)
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Q2. Introduction, what is Embedded system, Project deep
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Q3. What is semaphore and mutex, binary semaphore, thread and process
Ans. 
Semaphores and mutex are synchronization mechanisms in multithreading. Threads are lightweight processes, while processes are independent execution units.
• Semaphore: used to control access to a shared resource by multiple threads. Example: controlling access to a printer in a networked system.

• Mutex: similar to a semaphore but only allows one thread to access a resource at a time. Example: protecting a critical section o...read more
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Q4. How to stored data in memory , Interrupt service routine ,interrupt latency, UART,SPI,
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Q5. Watchdog timer, 8051 microcontroller architecture, volatile keyword, static function, global and local variable
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Quantitative reasoning

Q1. About yourself and past experiences.
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Q2. Managerial round
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Q3. About company information
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Q4. About yourself and extracurricular activities
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Q5. See yourself in the next 5 yrs
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Q1. What is main reason for belt joint failure?
Ans. 
The main reason for belt joint failure is usually due to improper installation or maintenance.
• Improper installation of the belt joint, such as incorrect alignment or tensioning

• Lack of proper maintenance, leading to wear and tear of the joint

• Use of low-quality materials for the joint

• Excessive load or stress on the belt joint

• Environmental factors like temperature or humidity affecting the joint
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Q2. What was the alignment maximum tolerance?
Ans. 
The alignment maximum tolerance refers to the maximum allowable deviation from the specified alignment.
• Alignment maximum tolerance is the maximum allowable deviation from the specified alignment.

• It is typically expressed in terms of a percentage or a specific measurement unit.

• For example, a machine part may have an alignment maximum tolerance of +/- 0.005 inches.

• Exceeding the alignment maximum tolerance can lead to per
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Q3. How to replace the bucket wheel reclaimer luffing cylinder?
Ans. 
To replace the bucket wheel reclaimer luffing cylinder, follow these steps.
• 1. Shut down the machine and ensure all power sources are disconnected.

• 2. Remove any surrounding components that may obstruct access to the luffing cylinder.

• 3. Use appropriate tools to disconnect the hydraulic hoses and fittings from the cylinder.

• 4. Support the weight of the cylinder as it is removed to prevent damage to surrounding components.

• 5...read more
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Q4. What is different between JSA and HIRA?
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JSA stands for Job Safety Analysis, focusing on specific job tasks, while HIRA stands for Hazard Identification and Risk Assessment, focusing on overall workplace hazards.
• JSA is task-specific, focusing on individual job tasks and potential hazards

• HIRA is broader, looking at overall workplace hazards and assessing risks

• JSA involves breaking down a job into steps and identifying potential hazards for each step

• HIRA involv...read more
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Q5. How create a PR in SAP?
Ans. 
To create a PR in SAP, you can use transaction code ME51N or ME21N.
• Use transaction code ME51N to create a purchase requisition in SAP.

• Enter the necessary details such as material, quantity, delivery date, etc.

• Save the purchase requisition and it will be created in the system.

• Alternatively, you can also use transaction code ME21N to create a purchase order directly.
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Q6. What is procedure of pulley replacement?
Ans. 
The procedure of pulley replacement involves identifying the faulty pulley, removing the old pulley, installing the new pulley, and testing the system.
• Identify the faulty pulley by checking for any signs of wear or damage.

• Use appropriate tools to remove the old pulley, such as a pulley puller or wrench.

• Install the new pulley by aligning it properly and securing it in place.

• Test the system to ensure the new pulley is fu...read more
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Q7. Explain the procedure of PTW?
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PTW stands for Permit to Work, a procedure used to ensure that work is carried out safely in potentially hazardous environments.
• PTW is a formal written system used to control certain types of work that are identified as potentially hazardous.

• Before starting work, a permit must be obtained from a designated authority.

• The permit outlines the work to be done, the hazards involved, and the necessary precautions to be taken...read more
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Logic test and personality test

Q1. Introduce yourself
Ans. 
I am a sustainability consultant with a background in environmental science and experience in implementing sustainable practices.
• Background in environmental science

• Experience in implementing sustainable practices

• Passionate about promoting sustainability in various industries
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Q2. Why are you interested
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Passionate about promoting sustainable practices and making a positive impact on the environment.
• Passionate about environmental conservation and sustainability

• Believe in the importance of implementing sustainable practices in businesses

• Excited about the opportunity to help organizations reduce their carbon footprint

• Previous experience in sustainability projects or initiatives
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Q1. Strength and witness
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Q2. A challenge you faced
Ans. 
I faced a challenge in my previous role when implementing a sustainability program for a large corporation.
• Resistance from upper management to allocate resources for sustainability initiatives

• Difficulty in engaging employees at all levels to participate in sustainability efforts

• Lack of buy-in from stakeholders outside of the organization

• Balancing short-term financial goals with long-term sustainability objectives
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Q1. Dumb HR will ruin the company or maybe they behave how the company wants them to behave.
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Q1. SCADA zone related
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Q2. What cybersecurity
Ans. 
Cybersecurity refers to the practice of protecting systems, networks, and data from digital attacks.
• Cybersecurity involves implementing measures to prevent unauthorized access to data and systems.

• It includes strategies such as encryption, firewalls, and intrusion detection systems.

• Regular security audits and employee training are essential components of cybersecurity.

• Examples of cybersecurity threats include malware, p...read more
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Q1. What is earthwork
Ans. 
Earthwork refers to the process of moving, excavating, and compacting soil and rock to prepare the ground for construction.
• Earthwork involves activities such as excavation, grading, compaction, and backfilling.

• It is essential for creating a stable foundation for roads, buildings, and other structures.

• Earthwork also includes the removal of unwanted materials and the addition of necessary materials to achieve the desired...read more
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Q2. What is GSB wmm
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GSB stands for Granular Sub Base and WMM stands for Wet Mix Macadam. GSB WMM is a type of road construction method using layers of granular materials.
• GSB is the layer of granular material placed on the subgrade of a road to provide a stable foundation.

• WMM is a mixture of aggregates, filler, and water laid on the GSB layer to form a strong base for the road.

• GSB WMM construction involves compacting each layer properly to...read more
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Q1. Steam Turbines,Pump, Compressor,
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Q2. Rotating equipment parameters.
Ans. 
Rotating equipment parameters refer to the various factors that affect the performance and operation of rotating machinery.
• Key parameters include speed, torque, power, vibration levels, temperature, and lubrication.

• Proper monitoring and maintenance of these parameters are essential for ensuring optimal performance and preventing breakdowns.

• Examples of rotating equipment include pumps, compressors, turbines, and motors.

• ...read more
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