Sterling & Wilson Interview Questions and Answers

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Q1. Tell me the difference between List and Tuple ?
Ans. 
List is mutable, Tuple is immutable in Python.
• List can be modified after creation, Tuple cannot be modified.

• List is defined using square brackets [], Tuple is defined using parentheses ().

• List is used for collections of items that may change, Tuple is used for fixed collections.

• Example: list_example = [1, 2, 3], tuple_example = (4, 5, 6)
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Q2. Can we use logistic regression for multi class classification ?
Ans. 
Yes, logistic regression can be used for multi class classification by using techniques like one-vs-rest or softmax.
• Logistic regression is typically used for binary classification, but it can be extended to handle multiple classes.

• One common approach is to use one-vs-rest (OvR) strategy, where a separate binary logistic regression model is trained for each class.

• Another approach is to use softmax regression, which is a...read more
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Q3. What is built in data
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Built-in data refers to pre-existing datasets or information that is already included in a software or system.
• Built-in data is typically provided by the software or system for analysis or processing.

• Examples include sample datasets in statistical software like R or Python libraries like scikit-learn.

• Built-in data can also refer to default datasets in databases or data warehouses.

• It can save time and effort by providing...read more
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Q4. What is Decorators in python ?
Ans. 
Decorators in Python are functions that modify the behavior of other functions.
• Decorators are denoted by the @ symbol followed by the decorator name.

• They are commonly used for logging, timing, authentication, etc.

• Decorators can be used to add functionality to existing functions without modifying their code.
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Q5. What is Lambda function ?
Ans. 
A lambda function is a small anonymous function defined without a name.
• Lambda functions are used for creating small, one-time use functions.

• They can take any number of arguments, but can only have one expression.

• Lambda functions are often used in conjunction with higher-order functions like map, filter, and reduce.

• Example: lambda x: x*2 defines a lambda function that doubles the input x.
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Q1. Electric resistivity
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Q2. Total enf for a certain conditions
Ans. 
Total enf for a certain conditions refers to the total energy consumption for specific circumstances.
• Calculate the total energy consumption by summing up the individual energy consumption values for each condition.

• Consider factors such as duration, power rating, and efficiency when calculating total energy consumption.

• Example: Total energy consumption for a week of running a 100W light bulb for 8 hours a day.
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Q1. Introduce yourself
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Q2. What if you didn't get hike even after working hard
Ans. 
If I didn't receive a raise, I would seek feedback, reassess my goals, and explore opportunities for growth within the company.
• Request a meeting with my supervisor to discuss performance and expectations.

• Seek constructive feedback to understand areas for improvement.

• Reassess my contributions and align them with company goals.

• Consider taking on additional responsibilities or projects to demonstrate value.

• Explore profess...read more
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Q1. What is Slump Cone Top diameter ?
Ans. 
Slump cone top diameter is the diameter of the top opening of a slump cone used to measure the consistency of concrete.
• Slump cone top diameter is typically around 4 inches.

• It is an important factor in determining the workability of concrete.

• The slump cone test involves filling the cone with concrete, then lifting the cone to see how much the concrete slumps.

• A larger top diameter of the slump cone indicates a higher wor...read more
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Q2. What is your M30 Concrete Compressive strength ?
Ans. 
The M30 concrete compressive strength is typically around 30 MPa.
• M30 concrete is a mix design with a characteristic compressive strength of 30 MPa.

• It is commonly used in construction for various structural elements.

• The strength of M30 concrete can vary based on factors like water-cement ratio, curing conditions, and quality of materials.
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Q1. Family background
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Q2. Educational background
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I hold a degree in Business Administration, specializing in Operations Management, which equips me for effective planning and strategy.
• Bachelor's degree in Business Administration with a focus on Operations Management.

• Completed coursework in supply chain management and project planning.

• Participated in internships that involved strategic planning and resource allocation.

• Attended workshops on data analysis and forecastin...read more
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Q1. Work expriance, about last company
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Q2. About previous company
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How to find the alteration in genes or a particular metabolic pathway of a cucumber plant upon treatment with a bio fertiliser