GK Power Expertise Private Limited Interview Questions and Answers

Q1. Tell me abut yourself
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Q2. Project Explaination
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Q3. Some basic qus from python
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Q1. Written python programs
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Q2. Encaptilation public privete,protect
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Encapsulation in Python involves restricting access to certain components of an object, using public, private, and protected attributes.
• Public attributes are accessible from anywhere, e.g., 'self.name' in a class.

• Private attributes are prefixed with '__' and are not accessible outside the class, e.g., '__secret'.

• Protected attributes are prefixed with '_' and indicate that they should not be accessed directly outside th...read more
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Q3. Difference between list and tuple dict
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Lists are mutable, ordered collections of items, while tuples are immutable, ordered collections. Dictionaries are key-value pairs.
• Lists are denoted by square brackets [], tuples by parentheses (), and dictionaries by curly braces {}.

• Lists can be modified after creation, while tuples cannot be changed once created.

• Dictionaries store data in key-value pairs, allowing for quick lookups based on keys.

• Example: list = [1, 2...read more
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Q4. Matric program python
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A matric program in Python typically refers to a matrix manipulation program using lists or NumPy.
• Use lists of lists to create a matrix: matrix = [[1, 2], [3, 4]]

• Access elements using indices: element = matrix[0][1] # Accesses 2

• Perform matrix operations like addition: result = [[a + b for a, b in zip(row1, row2)] for row1, row2 in zip(matrix1, matrix2)]

• Use NumPy for advanced operations: import numpy as np; matrix = np...read more
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Q1. What is class,object,differnece
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A class is a blueprint for creating objects, while an object is an instance of a class. Classes define the properties and behaviors of objects.
• A class is a template for creating objects with similar properties and behaviors

• An object is an instance of a class, created using the class blueprint

• Classes can have attributes (variables) and methods (functions)

• Objects can interact with each other by calling methods on each ot...read more
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Q2. Spot write some programs like how to create class and object then pass one list reverse the list using oops concept
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This program demonstrates OOP concepts in Python by creating a class to reverse a list.
• Define a class named 'ListReverser'.

• Create an initializer method to accept a list.

• Implement a method 'reverse_list' to reverse the list.

• Instantiate the class with a sample list and call the reverse method.
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Q1. Previous project details
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Led multiple hardware design projects, focusing on high-performance computing and embedded systems for various industries.
• Designed a custom FPGA-based accelerator for machine learning applications, improving processing speed by 30%.

• Developed a low-power IoT device for environmental monitoring, utilizing energy harvesting techniques to extend battery life.

• Collaborated with cross-functional teams to integrate hardware an...read more
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Q2. Contribution in the project
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I played a key role in designing the hardware architecture and implementing critical features in the project.
• Led the hardware design team in defining system requirements and architecture

• Designed and implemented critical features such as power management and signal processing

• Collaborated with cross-functional teams to ensure seamless integration of hardware components

• Performed thorough testing and validation to ensure r...read more
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Q1. Introduce yourself
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I am a digital marketing executive with 5 years of experience in SEO, SEM, and social media marketing.
• I have a Bachelor's degree in Marketing from XYZ University.

• I have managed successful PPC campaigns resulting in a 30% increase in website traffic.

• I am proficient in Google Analytics and SEO tools like SEMrush and Moz.

• I have experience in creating and implementing social media strategies for various clients.
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Q2. Working Experience
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Q3. Common Digital Marketing Questions
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Q1. How to identify the right keywords
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Identifying the right keywords involves research, analysis, and understanding of target audience.
• Start by brainstorming relevant keywords related to your product or service

• Use keyword research tools like Google Keyword Planner, SEMrush, or Ahrefs

• Consider search volume, competition, and relevance of keywords

• Look at what keywords competitors are using

• Analyze the performance of keywords through metrics like click-through ...read more
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Q2. Difference between on page and off page SEO
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On-page SEO refers to optimizing individual web pages to rank higher and earn more relevant traffic in search engines. Off-page SEO refers to actions taken outside of your own website to impact your rankings within search engine results pages.
• On-page SEO includes optimizing content, meta tags, headings, images, and URLs on your website.

• Off-page SEO involves building backlinks, social media marketing, and influencer out...read more
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Q3. Google, Facebook Ads - Budget - Reach
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Q4. How to solve unapproved ads
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To solve unapproved ads, review ad policies, make necessary changes, resubmit for approval, and monitor for compliance.
• Review ad policies to identify reasons for disapproval

• Make necessary changes to the ad content or targeting

• Resubmit the ad for approval

• Monitor the ad performance to ensure compliance with policies
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Q1. Basic electrical, electronics questions
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Q1. What is frequency, capacitor, Diode , basic electronics questions
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It was basic questions

Q1. What is sampling theorem
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Sampling theorem states that a continuous signal can be accurately represented by discrete samples if the sampling rate is at least twice the highest frequency component of the signal.
• Sampling theorem is also known as Nyquist-Shannon sampling theorem.

• It is used in digital signal processing to convert analog signals into digital signals.

• According to the theorem, the sampling rate must be at least twice the frequency of ...read more
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Q1. What is nyquist plot
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Nyquist plot is a graphical representation of a system's frequency response in the complex plane.
• Nyquist plot shows how a system responds to sinusoidal inputs at different frequencies.

• It plots the real part of the transfer function against the imaginary part.

• The plot can help analyze stability and performance of control systems.

• A Nyquist plot can be used to determine the stability of a system by looking at the encircle...read more
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Q2. What is ohms law
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Ohm's law states that the current flowing through a conductor is directly proportional to the voltage across it, and inversely proportional to the resistance of the conductor.
• Ohm's law is represented by the formula V = I * R, where V is voltage, I is current, and R is resistance.

• It helps in understanding the relationship between voltage, current, and resistance in an electrical circuit.

• It is named after the German phys...read more
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