JMD HVAC Hvac Supervisor Interview Questions and Answers

Q1. What is BVA Testing?
Ans. 
BVA Testing stands for Boundary Value Analysis Testing, a software testing technique to test the boundary values of input ranges.
• BVA Testing is used to identify errors at the boundaries of input ranges.

• It involves testing the minimum and maximum values, as well as just inside and just outside the boundaries.

• For example, if a system accepts values from 1 to 10, BVA Testing would test values 0, 1, 10, and 11.
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Q2. High severity low priority
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Q3. Test technics
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Q4. Test methodologies
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Reasoning , mathematics

Q1. What is behaviour ?
Ans. 
Behaviour refers to the way in which a person or animal acts or conducts themselves in response to a particular situation or stimulus.
• Behaviour is influenced by genetics, environment, and past experiences.

• It can be observed and measured through actions, reactions, and responses.

• Behaviour can be categorized as either innate (instinctual) or learned.

• Examples of behaviour include aggression, shyness, curiosity, and friend
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Q2. What is the best method in power transfers?
Ans. 
The best method in power transfers is through high voltage transmission lines.
• High voltage transmission lines are more efficient in transferring power over long distances.

• Using transformers to step up the voltage before transmission and step down the voltage at the receiving end helps minimize power loss.

• HVDC (High Voltage Direct Current) transmission is another efficient method for long distance power transfers.

• Smart ...read more
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Q1. What is current
Ans. 
Current is the flow of electric charge through a conductor.
• Current is measured in Amperes (A)

• It is the rate of flow of electric charge

• Current can be either direct current (DC) or alternating current (AC)

• Examples: A light bulb connected to a power source has current flowing through it

• In a circuit, current flows from the positive terminal of the voltage source to the negative terminal
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Q2. What are the method to convert in inverter
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Methods to convert inverter include pulse width modulation, sine wave modulation, and square wave modulation.
• Pulse width modulation (PWM) is a common method used to convert inverter signals by varying the width of the pulses.

• Sine wave modulation involves generating a sine wave signal to mimic the output of an inverter.

• Square wave modulation produces a square wave output by switching between high and low voltage levels.

• ...read more
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Q1. What are the drawback for selenium
Ans. 
Drawbacks of Selenium include limited support for non-web applications and challenges in handling dynamic web elements.
• Limited support for non-web applications, such as desktop or mobile apps

• Challenges in handling dynamic web elements, leading to flakiness in tests

• Steep learning curve for beginners

• Requires programming knowledge to create and maintain test scripts

• Slower execution speed compared to other automation tools
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Q2. Multiple occurrence in a string
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Count the number of occurrences of a specific substring in a given string.
• Use a loop to iterate through the string and check for the occurrence of the substring.

• Use the indexOf method to find the position of the substring in the string.

• Increment a counter each time the substring is found.
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Q1. Tell me about yourself
Ans. 
I am a dedicated QA QC Engineer with 5 years of experience in ensuring product quality and compliance with industry standards.
• Experienced in conducting quality control inspections and audits

• Skilled in developing and implementing quality assurance processes

• Proficient in using testing tools and techniques to identify defects

• Strong attention to detail and problem-solving skills

• Excellent communication and teamwork abilitie
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Q2. What is selenium
Ans. 
Selenium is a popular open-source automation testing tool used for web application testing.
• Selenium is used for automating web browsers.

• It supports multiple programming languages like Java, Python, C#, etc.

• Selenium WebDriver is the most commonly used component for writing automation scripts.

• Selenium Grid is used for parallel testing across different browsers and environments.
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Q1. Why are power transformer trip
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Q2. Test off transformer
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Math ,reasoning, average ,persentage

Q1. Basic electrical
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Q2. Transformer ,genration , power system
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Q3. Electrical fitting related
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Q4. Generator, distribution of electrical supply
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Q5. What is the function of residence
Ans. 
The function of a residence is to provide shelter, security, and comfort for individuals or families.
• Provides shelter from the elements

• Offers security and privacy

• Creates a comfortable living environment

• Can serve as a place for socializing and relaxation
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Q6. What is function on fuse , circuit breaker
Ans. 
Fuses and circuit breakers are safety devices used to protect electrical circuits from overloads and short circuits.
• Fuses are designed to melt and break the circuit when there is an overload or short circuit, preventing damage to the circuit or equipment.

• Circuit breakers are switches that automatically trip when there is an overload or short circuit, cutting off the flow of electricity.

• Fuses need to be replaced after t...read more
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Q1. Write a code to reverse string "Selenium"
Ans. 
Code to reverse a string
• Use the built-in reverse() function to reverse the string

• Convert the string to an array of characters, reverse the array, and then join the characters back into a string
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Q2. Synchronization in selenium
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Synchronization in Selenium is the process of ensuring that the test scripts wait for the web elements to load before performing actions on them.
• Synchronization is important to avoid timing issues and ensure accurate test results.

• There are two types of synchronization in Selenium: implicit and explicit.

• Implicit synchronization uses the default timeout value to wait for elements to load.

• Explicit synchronization uses exp...read more
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Q1. How many score do you get at the colleage ?
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Q2. Why do you apply to QC position ?
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Q1. Please introduce a little about yourself ?
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Q2. What is your career path in next 2 years ?
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Q1. What is pom directory
Ans. 
POM directory is a folder in a Maven project that contains Page Object Model classes for organizing and managing web elements and actions.
• POM directory helps in separating the page objects from test scripts for better organization and maintenance.

• It contains classes representing web pages with locators and methods to interact with those elements.

• Example: src/main/java/com/example/pages
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Q2. Opps concept in java
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Oops concept in Java refers to Object-Oriented Programming principles like Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability of a method to do different things based on the object it is acting upon.

• Abstraction: Hiding the imp...read more
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Q3. Explain different types of waits in selenium
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Different types of waits in Selenium include implicit, explicit, and fluent waits.
• Implicit wait: Waits for a specified amount of time before throwing a NoSuchElementException.

• Explicit wait: Waits for a certain condition to occur before proceeding further in the code.

• Fluent wait: Waits for a condition to be true with a specified frequency of checking.

• Example: WebDriverWait wait = new WebDriverWait(driver, 10);
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Q4. Explain you automation folder structure
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Automation folder structure should be organized and easy to navigate for efficient test automation.
• Separate folders for test scripts, test data, test results, and configuration files

• Subfolders for different test suites or modules

• Naming conventions for files and folders to easily identify test cases

• Utilize version control systems like Git for managing code changes

• Include a README file with instructions on how to run tes
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Q1. Salary discussion
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