Mott MacDonald Interview Questions, Process, and Tips

Q1. How to create panel schedule.
Ans. 
Panel schedules can be created using software such as Revit or AutoCAD.
• Create a new panel schedule in the software.

• Add the necessary information such as panel name, circuit number, and load.

• Arrange the information in a clear and organized manner.

• Review and verify the accuracy of the panel schedule.

• Export the panel schedule as a PDF or other desired format.
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Q2. How to take off quantities.
Ans. 
Taking off quantities involves measuring and calculating the amount of materials needed for a construction project.
• Review project plans and specifications to identify materials needed

• Measure and calculate quantities of materials needed for each component of the project

• Use software tools such as BIM to assist with takeoff calculations

• Update takeoff quantities as needed throughout the project

• Communicate takeoff quantitie
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Q3. Revit modeling related questions.
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25 Questions, Multiple choice, Single correct as well as multi-correct, related tp python, django & flask

Find the maximum occurring number in a list of numbers without using any in-built functions, in linear time using, O(1) space

Q1. Difference between Lists and Tuples?
Ans. 
Lists are mutable, ordered collections of items while tuples are immutable, ordered collections of items.
• Lists are defined using square brackets [] while tuples are defined using parentheses ().

• Lists can be modified (add, remove, change elements) while tuples cannot be modified once created.

• Lists are typically used for collections of similar items that may need to be modified, while tuples are used for fixed collection...read more
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Q2. Difference between Shallow copy and Deep copy?
Ans. 
Shallow copy creates a new object but does not duplicate nested objects, while deep copy creates a new object with all nested objects duplicated.
• Shallow copy only copies the references of nested objects, not the objects themselves.

• Deep copy creates new copies of all nested objects, ensuring complete independence.

• In Python, shallow copy can be achieved using the copy() method, while deep copy can be achieved using the d
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Q3. What is MVT architecture?
Ans. 
MVT architecture stands for Model-View-Template architecture, commonly used in web development with Django framework.
• MVT separates the logic of an application into three components: Model, View, and Template.

• Model represents the data structure, View handles the user interface and business logic, and Template manages the presentation layer.

• MVT is similar to MVC (Model-View-Controller) architecture but with a different n...read more
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Q4. What are decorators in Python?
Ans. 
Decorators in Python are functions that modify the behavior of other functions or methods.
• Decorators are denoted by the @ symbol followed by the decorator name.

• They allow you to wrap another function in order to extend or modify its behavior.

• Decorators are commonly used for logging, authentication, and memoization.

• Example: @staticmethod decorator in Python is used to define a method that is not bound to an instance of
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Q5. Difference between static and instance methods in python? Explain what decorator to use for defining static methods?
Ans. 
Static methods are bound to the class itself, while instance methods are bound to instances of the class. Use @staticmethod decorator for static methods.
• Static methods do not have access to class or instance attributes, while instance methods do.

• Instance methods can modify instance state, while static methods cannot.

• To define a static method in Python, use the @staticmethod decorator before the method definition.

• Exampl...read more
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Q6. What is inheritence? How many types of inheritence are there in python?
Ans. 
Inheritance is a mechanism in which a new class inherits attributes and methods from an existing class.
• Inheritance allows a class to reuse code from another class.

• Python supports single, multiple, and multilevel inheritance.

• Example: class ChildClass(ParentClass):
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Q7. What are access specifiers in Python, how are they set-up?
Ans. 
Access specifiers in Python control the accessibility of class attributes and methods.
• Access specifiers are not explicitly defined in Python like in other languages such as Java or C++.

• By convention, attributes and methods starting with a single underscore (_) are considered 'protected' and should not be accessed directly.

• Attributes and methods starting with double underscores (__) are considered 'private' and are name
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Q1. How to do transformer sizing
Ans. 
Transformer sizing involves calculating the appropriate size of a transformer based on the electrical load requirements.
• Determine the total electrical load that the transformer will be supplying

• Calculate the required kVA rating of the transformer based on the load

• Consider factors such as efficiency, voltage regulation, and future expansion

• Select a transformer with a kVA rating equal to or greater than the calculated va...read more
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Q2. How to do cable sizing with Indian standard code
Ans. 
Cable sizing with Indian standard code involves determining the appropriate size of cables based on current carrying capacity and voltage drop requirements.
• Refer to IS 3961:1967 for guidelines on cable sizing in India

• Calculate the current carrying capacity of the cable based on the load requirements

• Consider the voltage drop limits specified in the Indian standard code

• Select the cable size that meets both current carryi...read more
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Q1. Online technical round for 20 mins MCQs (Moderate level)
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Power BI Report Development - Hands on for 1 hour (Intermediate to Advance level)

Q1. Technical F2F for 30-40 mins (Intermediate level)
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Q1. Technical F2F for 30 mins (Advance level)
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