BHTC Interview Questions and Answers

Q1. What is your introduction
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Q2. What do you work privious company
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Q1. What is your qualification
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Q2. What is your favourite subject
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Standard process in hackerrank

Q1. Standard interview with live coding
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Q2. Find the second largest element in an array
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Q1. Describe yourself in 3 words
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Q1. I am hard work experience for mantinance
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Q2. Electrical Technician work for mantinance
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Q1. Hard worker mantinance
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Q2. Hard wiring for panel
Ans. 
Hard wiring for panel involves connecting electrical components directly to the panel without using connectors.
• Hard wiring is a method of connecting electrical components directly to the panel using wires.

• It is a permanent and secure method of connection.

• Hard wiring eliminates the need for connectors, reducing the risk of loose connections.

• Examples include connecting control devices like switches and sensors directly t
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Logical reasoning, verbal skills and problem-solving abilities

Q1. What is a bs6 Vehicle
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BS6 stands for Bharat Stage 6, which is the emission standard set by the Indian government for vehicles.
• BS6 is the latest emission standard in India, aimed at reducing harmful pollutants from vehicle exhaust.

• BS6 vehicles have stricter emission norms compared to BS4 vehicles.

• BS6 compliant vehicles use cleaner fuel and advanced emission control technologies.

• Examples of BS6 vehicles include cars, motorcycles, and commerci...read more
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Q2. Why bs4 engine change from the bs6 engine
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The change from BS4 to BS6 engines was necessary to comply with stricter emission norms set by the government.
• BS6 engines have lower emissions of harmful pollutants compared to BS4 engines.

• BS6 engines use advanced technology like Selective Catalytic Reduction (SCR) and Diesel Particulate Filter (DPF) to reduce emissions.

• The government mandated the switch to BS6 engines to improve air quality and reduce pollution levels
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Q3. What is FE trail
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FE trail stands for Front End trail, which refers to the path followed by a user through a website or application's front end interface.
• FE trail helps in understanding user behavior and preferences on the front end of a website or application.

• It includes the pages visited, actions taken, and interactions with different elements on the front end.

• Analyzing FE trail can help in improving user experience and optimizing the...read more
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Q4. What is that ma trail
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The question seems to be asking about 'ma trail', which could refer to a specific term or concept in a technical field.
• Ma trail could potentially refer to a specific feature or function in a software or hardware system.

• It could also be a typo or mispronunciation of a different term or phrase.

• Without more context, it is difficult to provide a specific answer to this question.
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Q5. What is the cooling trail
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The cooling trail is the path of air flow created by a cooling system to dissipate heat from a device or equipment.
• Cooling trail is essential for preventing overheating in electronic devices.

• It is created by fans or other cooling mechanisms to circulate air and remove heat.

• Examples include the cooling trail in a computer system or a refrigerator.
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Q1. Memory hierarchy in OS
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Memory hierarchy in OS refers to the organization of different types of memory in a computer system.
• Memory hierarchy typically includes registers, cache memory, main memory (RAM), and secondary storage (hard drive, SSD).

• Registers are the fastest and smallest type of memory, located within the CPU.

• Cache memory is a small, fast memory located between the CPU and main memory, used to store frequently accessed data.

• Main me...read more
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Q2. Explain memory leak.
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Memory leak is a situation where a program fails to release memory it has allocated, leading to a gradual loss of available memory.
• Memory leaks occur when a program allocates memory but does not release it when it is no longer needed.

• This can lead to a gradual decrease in available memory, eventually causing the program or system to crash.

• Common causes of memory leaks include improper management of dynamic memory alloc...read more
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Q1. Insertion sort implement in c++
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Insertion sort is a simple sorting algorithm that builds the final sorted array one item at a time.
• Start from the second element and compare it with the elements before it to find the correct position.

• Repeat this process for all elements in the array.

• Time complexity is O(n^2) in the worst case scenario.

• Example: void insertionSort(string arr[], int n) { for (int i = 1; i < n; i++) { string key = arr[i]; int j = i - 1; w
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Q2. Matrix chain multiplication DSA problem
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Matrix chain multiplication is a dynamic programming problem to find the most efficient way to multiply a given sequence of matrices.
• Use dynamic programming to solve this problem efficiently.

• Create a 2D array to store the minimum number of multiplications needed to multiply matrices.

• Iterate over different combinations of matrices to find the optimal solution.

• Example: For matrices A, B, C with dimensions 10x30, 30x5, 5x
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Q3. Explain project
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Developed a web application for tracking project progress and managing tasks
• Used React.js for front-end development

• Implemented RESTful APIs using Node.js and Express for back-end

• Utilized MongoDB for database storage
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Q1. Hell about your self.
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I am a software development engineer with 5 years of experience in building scalable web applications.
• 5 years of experience in software development

• Proficient in building scalable web applications

• Strong knowledge of programming languages such as Java, Python, and JavaScript
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Q2. Why you want to join this company.
Ans. 
I am impressed by the company's innovative projects and collaborative work culture.
• Innovative projects in AI and machine learning excite me

• Positive reviews from current employees about the work environment

• Opportunities for growth and learning in a supportive team
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