DONRACKS Interview Questions and Answers

Q1. Difference b/w deep copy and shallow copy
Ans. 
Deep copy creates a new copy of an object with all nested objects also copied, while shallow copy creates a new object with references to the original nested objects.
• Deep copy creates a new object and recursively copies all nested objects, resulting in a completely independent copy.

• Shallow copy creates a new object but only copies the references to nested objects, so changes in nested objects reflect in both the origin...read more
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Q2. Difference between foreach and map
Ans. 
foreach is used to iterate over an array and perform a function on each element, while map creates a new array by applying a function to each element.
• foreach does not return a new array, while map does

• foreach is used for side effects, while map is used for transformation

• Example: forEach - let numbers = [1, 2, 3]; numbers.forEach(num => console.log(num)); // prints 1, 2, 3

• Example: map - let numbers = [1, 2, 3]; let doub...read more
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Q3. Pure impure pipe
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Q4. Ngonchanges usage
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Q5. Basic array methods
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Q6. Difference null undefined empty values in js
Ans. 
null is an intentional absence of any value, undefined means a variable has been declared but not assigned a value, and empty values are variables that have been assigned a value of empty string, empty array, or empty object.
• null is used to represent the intentional absence of any value

• undefined means a variable has been declared but not assigned a value

• Empty values can be empty string (''), empty array ([]), or empty
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Q1. Tell me about yourself?
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Q2. When can I join?
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Q3. Asking whether I am agree with the 2 years of bond?
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Q4. Were you asked if you agree to a security deposit of 50,000?
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Q5. Basic details about the education and past experience.
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Q1. Why you are applying for this job?
Ans. 
I am applying for this job because of my passion for managing civil projects and my proven track record of successful project completions.
• Passion for managing civil projects

• Proven track record of successful project completions

• Excited about the opportunity to contribute to impactful infrastructure projects
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Q2. Why you requested for salary hike?
Ans. 
I requested a salary hike due to increased responsibilities, achievements, and market value.
• Increased responsibilities in current role

• Achievements such as successful completion of projects or exceeding targets

• Market value based on industry standards and experience

• Cost of living increase or inflation affecting expenses
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Q1. Explain about the various stages of construction of the foundation of building.
Ans. 
The various stages of construction of the foundation of a building include site preparation, excavation, foundation design, footing construction, and foundation pouring.
• Site preparation involves clearing the area and leveling the ground for construction.

• Excavation is the process of digging a hole in the ground to create space for the foundation.

• Foundation design is crucial to ensure the building's stability and load-be...read more
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Q2. What will be the Design mix for Concrete .
Ans. 
The design mix for concrete is the proportion of various ingredients like cement, sand, aggregates, and water to achieve the desired strength and durability.
• Design mix is determined based on the required strength and durability of the concrete

• It involves selecting the right proportions of cement, sand, aggregates, and water

• Various factors like type of construction, exposure conditions, and desired workability influence...read more
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Q1. What is your experience with parallelizing transformers, and how do you approach splitting them across multiple devices to minimize latency?
Ans. 
I have experience parallelizing transformers by splitting them across multiple devices to minimize latency.
• I have utilized frameworks like TensorFlow and PyTorch to parallelize transformers.

• I approach splitting transformers by dividing the input data into chunks and distributing them across devices.

• I optimize communication overhead by minimizing data transfer between devices.

• I leverage techniques like data parallelism ...read more
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Full c concept MCQ with IQ and Computaional Thinking

Q1. Number system convertion in c
Ans. 
Number system conversion in C involves converting numbers between different bases, such as decimal to binary or hexadecimal.
• Use functions like itoa() to convert integers to strings in different bases

• Use strtol() to convert strings to integers in different bases

• Remember to specify the base when converting numbers
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Q2. Pointers, struct, Data Structure
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Q1. Decimal to Binary Convertion
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Q2. Hexa Decimal to Binary convertion
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Q1. What if there is no work planning?
Ans. 
Work planning is essential for organizing tasks, setting priorities, and ensuring efficiency.
• Without work planning, tasks may be disorganized and priorities may not be clear.

• Efficiency may decrease as time may be wasted on unnecessary tasks or tasks may be completed out of order.

• Work planning helps in setting goals, allocating resources effectively, and tracking progress.

• For example, in a manufacturing plant, without w...read more
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Q2. What work experience do you have?
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Q3. If your time to come to work is nine o'clock then what time will you come to work?
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Q1. Shift 100 is the target, what will you do if you get 90?
Ans. 
I will analyze my performance, identify areas for improvement, and create a plan to reach the target of 100.
• Analyze the reasons for not reaching the target score of 100

• Identify areas for improvement such as time management, study habits, or understanding of the material

• Create a plan with specific goals and actions to improve performance

• Seek feedback from teachers or mentors for guidance and support
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Q2. What to do if there is Defect in the product
Ans. 
If there is a defect in the product, it is important to identify the root cause, rectify the issue, and implement preventive measures.
• Identify the root cause of the defect through thorough analysis

• Rectify the issue by repairing or replacing the defective part

• Implement preventive measures to avoid similar defects in the future

• Conduct quality checks at various stages of production to ensure defect-free products

• Engage in ...read more
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Q3. What will you do for the company
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Q4. What will you do if there is a fire in the company
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Q5. What work are you interested in?
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Q6. What will happen if there is no work planning?
Ans. 
Without work planning, there will be chaos, inefficiency, missed deadlines, and increased costs.
• Chaos and confusion in the workflow

• Inefficiency in task execution

• Missed deadlines and project delays

• Increased costs due to rework or resource wastage
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Q7. What if the worker is not fully aware of the work?
Ans. 
The worker should be provided with proper training and guidance to ensure awareness of the work.
• Provide comprehensive training sessions for the worker to understand the tasks and responsibilities.

• Assign a mentor or supervisor to guide the worker through the work processes.

• Encourage open communication and feedback to address any confusion or lack of understanding.

• Regularly assess the worker's progress and provide additi...read more
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Q8. What if there is no work process seat?
Ans. 
In the absence of a work process seat, alternative seating arrangements or standing workstations can be considered.
• Consider using alternative seating arrangements such as stools or standing desks.

• Implement ergonomic principles to ensure comfort and efficiency for workers.

• Provide adjustable seating options to accommodate different preferences and needs.

• Encourage regular breaks and movement to prevent fatigue and discomf...read more
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