SAMAR STEEL INDUSTRIES Web Developer Interview Questions and Answers

Q1. .net and db related questions
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Q1. Return second largest number in an array?
Ans. 
Return the second largest number in an array of strings.
• Convert the array of strings to an array of integers.

• Sort the array in descending order.

• Return the second element in the sorted array.
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Q2. Sort the array in descending order?
Ans. 
Sort array of strings in descending order
• Use built-in sort function with custom comparator function

• Comparator function should compare strings in reverse order

• Example: ['apple', 'banana', 'cherry'] -> ['cherry', 'banana', 'apple']
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Reasoning 20 minutes

Related to my fields 20

Q1. What is lpad and rpad?
Ans. 
lpad and rpad are functions used in SQL to add padding characters to the left or right of a string.
• lpad adds padding characters to the left of a string

• rpad adds padding characters to the right of a string

• Syntax: lpad(string, length, padding_character)

• Example: lpad('123', 5, '0') will result in '00123'

• Syntax: rpad(string, length, padding_character)

• Example: rpad('123', 5, '0') will result in '12300'
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Q1. Plant overview and process
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Q2. Rankine cycle process and efficiency
Ans. 
Rankine cycle is a thermodynamic cycle used in power plants to generate electricity.
• Rankine cycle is a closed-loop cycle that uses steam to generate power.

• The cycle consists of four processes: heating, vaporization, expansion, and condensation.

• The efficiency of the Rankine cycle can be improved by increasing the temperature and pressure of the steam.

• The Rankine cycle is commonly used in power plants to generate electri...read more
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There were two questions: one related to machine learning and the other regarding service pipelines.

Q1. What is Pointer
Ans. 
A pointer is a variable that stores the memory address of another variable.
• Pointers are used to access and manipulate memory directly.

• They are commonly used in programming languages like C and C++.

• Example: int *ptr; // declares a pointer to an integer variable
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Q2. What is Git versioning
Ans. 
Git versioning is a system that tracks changes in code files, allowing multiple developers to collaborate and manage different versions of the codebase.
• Git versioning allows developers to track changes made to code files over time.

• Developers can create branches to work on new features or bug fixes without affecting the main codebase.

• Commits are used to save changes to the codebase, providing a history of modifications ...read more
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Q3. Page life cycle
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