Mahindra Last Mile Mobility Test Engineer Interview Questions and Answers

Q1. All basics related to cpp Coding logic some puzzles
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Q2. What is oops and explain
Ans. 
OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.
• OOPs focuses on creating objects that contain both data and methods to manipulate that data.

• It allows for reusability, modularity, and flexibility in code.

• Key principles of OOPs include encapsulation, inheritance, and polymorphism.

• Examples of OOPs languages include Java, C++, and Python.
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Q3. Virtual destructor and its use
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Virtual destructor is used to ensure proper destruction of derived class objects when deleted through a base class pointer.
• Virtual destructor is declared in the base class with the 'virtual' keyword.

• It allows the destructor of the derived class to be called when an object is deleted through a base class pointer.

• Without a virtual destructor, only the base class destructor would be called, leading to memory leaks or unde
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Q4. DS and its all concepts write code for reverse linklist
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Reverse a linked list using iterative approach
• Initialize three pointers: prev = null, current = head, next = null

• Iterate through the linked list, updating pointers as follows: next = current.next, current.next = prev, prev = current, current = next

• Update the head to point to the new head (prev)
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Q5. Memory management
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Q1. What is six sigma
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Six Sigma is a data-driven methodology for improving processes by reducing defects and variation.
• Six Sigma aims to achieve near perfection in processes by targeting a defect rate of 3.4 defects per million opportunities.

• It involves defining, measuring, analyzing, improving, and controlling processes to minimize variation and improve quality.

• Six Sigma uses statistical tools and techniques such as DMAIC (Define, Measure,...read more
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Q2. How much clause in ISO 9001:2015
Ans. 
There are 7 clauses in ISO 9001:2015.
• ISO 9001:2015 has 7 clauses that outline the requirements for a quality management system.

• These clauses cover areas such as context of the organization, leadership, planning, support, operation, performance evaluation, and improvement.

• For example, Clause 4 focuses on understanding the organization and its context, while Clause 8 addresses operation.

• Each clause is essential for ensur...read more
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C# will be asked

Q1. Quetions willbe based on oops concept
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Q1. Type of material and it's properties, mostly used material in sheet metal with grade, type of welding used for sheet metal
Ans. 
The most commonly used material in sheet metal is steel, which offers high strength and durability. Welding methods like spot welding and TIG welding are commonly used.
• Steel is the most commonly used material in sheet metal fabrication due to its strength and durability.

• Other materials like aluminum and stainless steel are also used in specific applications.

• Different grades of steel, such as mild steel (grade 1018) and...read more
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Q1. Knowledge about IC engine
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Q1. Value engineering related questions
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Q1. Tell about yourself
Ans. Name, address, family details and past company details with work experince
Answered by dheeraj kumar gupta
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Q2. What is structured way to problem solving.
Ans. 
A structured way to problem solving involves defining the problem, generating possible solutions, evaluating those solutions, and implementing the best one.
• Define the problem clearly and understand its root cause.

• Generate multiple possible solutions to the problem.

• Evaluate each solution based on feasibility, effectiveness, and impact.

• Select the best solution and create an action plan for implementation.

• Monitor and eval
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Q1. Tell about your self
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