Saluja Steel & Power Interview Questions and Answers

Basic questions of mechanical engineering

Q1. Mostly design related questions from strength of materials
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Q1. RO REVERSE OSMOSIS.
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Q2. Chemical use in R.O plant Chlorine • Sulphuric Acid • Sodium Meta Bi Sulphate • AntisCalant • Caustic Soda
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Q1. What is drill break how we indentify and what is your role at this time?
Ans. 
A drill break is a point in a drilling operation where the drill bit encounters an unexpected change in the material being drilled, causing the drill to stop or break.
• Drill breaks can be identified by monitoring drilling parameters such as torque, weight on bit, and rate of penetration.

• Common causes of drill breaks include encountering hard rock formations, hitting a void or cavity, or a mechanical failure in the drill...read more
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Q1. Ok good best excellent
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Q2. Ok good outstanding fantastic
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Medium leetcode question related to dp.

LLD round to create a cache library

Q1. Design Paytm like system
Ans. 
Design a system similar to Paytm for online payments and transactions.
• Implement user authentication and authorization for secure transactions

• Develop a user-friendly interface for easy navigation and transactions

• Integrate various payment options like credit/debit cards, net banking, UPI, and wallets

• Implement a robust backend system to handle transactions and store user data securely
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Q2. Design Url Shortner
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Design a URL shortener service to generate short URLs for long URLs.
• Use a unique identifier for each long URL to generate a short URL.

• Implement a mapping system to map short URLs to long URLs.

• Consider implementing features like custom short URLs, expiration dates, and analytics.

• Ensure the short URLs are unique and not easily guessable.

• Optimize the service for performance and scalability.
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Q1. Basic beaviour question.
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Q2. Design Notification Service.
Ans. 
Design a Notification Service for sending alerts to users.
• Define types of notifications (email, SMS, push notifications)

• Implement a system for users to subscribe/unsubscribe from notifications

• Include a scheduling system for sending notifications at specific times

• Consider implementing a notification history for users to view past alerts
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Q1. Knowledge about survey equipments?
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Q2. Knowledge about profiling and other proposals?
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Q3. Knowledge about contour and benching in transmission line?
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Q4. Which is required for start survey at starting point?
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My experience CNC machining, production planning and control

What is your field of expertise and what would you like to learn more about?

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Verbal Reasoning Test,evaluates the ability to comprehend written information, analyze arguments, and draw logical conclusions. It's useful for roles that require strong communication and critical thinking skills.

Q1. Explain the difference between procedural programming and object-oriented programming (OOP). Provide examples of each?
Ans. 
Procedural programming focuses on procedures and functions, while OOP focuses on objects and classes.
• Procedural programming uses a top-down approach, breaking down tasks into smaller procedures/functions.

• OOP focuses on creating objects that contain both data and methods to manipulate that data.

• In procedural programming, data and functions are separate entities, while in OOP, they are encapsulated within objects.

• Example...read more
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Function in Python that takes a list of integers as input and returns the sum of all the even numbers in the list.
# Input
numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

# Output
# Sum of even numbers: 2 + 4 + 6 + 8 + 10 = 30
print(sum_even_numbers(numbers)) # Output: 30
Solution:
def sum_even_numbers(numbers):
"""
Calculate the sum of all even numbers in a list.

Args:
numbers (list of int): List of integers.

Returns:
int: Sum of all even numbers in the list.
"""
return sum(num for num in numbers if num % 2 == 0)

# Test the function
numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
print(sum_even_numbers(numbers)) # Output: 30