Enkay Solar Power & 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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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
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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. 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. Current carrying capacity of Rabbit conductor ?
Ans. 
The current carrying capacity of Rabbit conductor depends on various factors such as material, size, and temperature.
• Current carrying capacity is influenced by the material of the conductor (e.g. copper, aluminum).

• The size of the conductor (gauge or diameter) also plays a role in determining its current carrying capacity.

• Temperature affects the current carrying capacity of a conductor, with higher temperatures reducing...read more
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Q2. Why we use GI material ?
Ans. 
GI material is used for its corrosion resistance and durability in electrical engineering applications.
• GI material (Galvanized Iron) is coated with a layer of zinc to protect against corrosion, making it ideal for outdoor applications.

• It has high durability and can withstand harsh environmental conditions, making it suitable for long-term use.

• GI material is cost-effective compared to other corrosion-resistant materials...read more
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Q1. Ratting of MCB ?
Ans. 
MCB stands for Miniature Circuit Breaker. It is a device designed to protect electrical circuits from overloads and short circuits.
• MCB ratings are typically in multiples of 6, such as 6A, 10A, 16A, 20A, etc.

• The rating of an MCB should be selected based on the maximum current that the circuit can safely handle.

• For example, a lighting circuit may use a 6A MCB, while a power socket circuit may use a 16A MCB.

• MCBs have a br...read more
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Q1. Lalaa company lala company lala company
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Q2. Lala company lala company
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Q1. Experience about present and previous company
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Q1. Present work process
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Our current work process involves analyzing market trends, setting targets, delegating tasks, monitoring progress, and ensuring timely completion.
• Analyze market trends to identify opportunities and threats

• Set targets based on market analysis and company goals

• Delegate tasks to team members based on their strengths and expertise

• Monitor progress regularly to ensure tasks are on track

• Ensure timely completion of tasks to me
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Q1. Final Negotiation
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Q1. Chp operation , manpower handling, SAP permit, related.
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Q2. CHP plant Coal yard, Crusher, Belt conveyor, Safety device.
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Q3. Stacker & Reclaimer, TTR
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Q4. CSU, Coal settling pump
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Q5. LHS, IRD, Fire hydrant system
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Q1. About our experience
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Q1. About full detail of self
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Q2. Check ability of team handling
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Q1. About job profile
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Q1. Full of work and behaviour
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