Liebherr WH Executive Interview Questions and Answers

Q1. Tell me about yourself
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Q2. Working SAP knowledge
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Q1. Boxing and unboxing in. C#
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Q2. .net framework and .net core
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Q3. Simple program to print star pattern in c#
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A simple program to print star pattern in C#
• Use nested loops to print the desired pattern

• Start with a small pattern and then expand it to more complex ones

• Experiment with different loop structures to create various patterns
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Q4. String and string builder Mutable and immutable Heap and stack memory which is used when
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Q5. Difference in stored procedure and functions ACiD properties, normalization
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Stored procedures and functions differ in their usage and capabilities. ACID properties ensure data integrity, normalization reduces redundancy.
• Stored procedures are precompiled SQL queries that can perform multiple operations, while functions are reusable code blocks that return a single value.

• Stored procedures can have input and output parameters, while functions can only return a single value.

• ACID properties (Atomic...read more
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Q6. What are solid principles explain with example and also tell where you used them in previous project
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Solid principles are a set of design principles for writing maintainable and scalable code.
• Single Responsibility Principle: A class should have only one reason to change. For example, a class that handles user authentication should not also be responsible for sending emails.

• Open/Closed Principle: Software entities should be open for extension but closed for modification. For example, using interfaces to allow for new i...read more
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Q7. OOP related questions What are 4 pillars of OOP? Difference between encapsulation and abstraction. Difference in overloading and overriding.
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Q8. Questions on Interitance Given 3 classes A is parent of B and B is parent of C How do we call methods of B and A from C Which method will be called incase of same method in A B and C And some more I don'...read more
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Q1. Questions on salary expectations
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Q2. And informal discussion about work and team
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Q1. Tell me about our my self
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Q2. Tell me about previous company experience
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Q1. Last Breakdowns attended in previous organization?
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Q2. What exposure you have in Automation ?
Ans. 
I have extensive exposure in Automation, including programming languages and tools.
• Proficient in programming languages such as Python, Java, and C++

• Experience in using automation tools like Selenium, Appium, and Jenkins

• Developed automated test scripts for web and mobile applications

• Implemented automation frameworks for efficient testing

• Familiar with continuous integration and deployment (CI/CD) pipelines
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Q3. Did you worked in what thype of Cranes?
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Yes, I have worked with various types of cranes including tower cranes, mobile cranes, and overhead cranes.
• Tower cranes: used for tall construction projects such as skyscrapers

• Mobile cranes: used for lifting heavy objects and transporting them to different locations

• Overhead cranes: used in factories and warehouses for moving heavy materials
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Q4. Do you have knowledge in Hoist drive application?
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Yes, I have knowledge in Hoist drive application.
• I have experience in troubleshooting and repairing hoist drives.

• I am familiar with different types of hoist drives such as electric, hydraulic, and pneumatic.

• I have worked with hoist drives in various industries including construction and manufacturing.

• I am knowledgeable in the maintenance and safety procedures for hoist drives.

• I am able to read and interpret technical d
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Q5. Are you willing to relocate ?
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Q1. What about your career goals ?
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Q2. What is your Previous salary CTC
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Q3. Why are you looking to join in Konecranes?
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Q4. Are you willing to relocate the job?
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Q1. Star & delta connections
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Q2. Drives basics
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Q1. Salary negotiation
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Q2. Basic information
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Q1. General discussion of your work history
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Q1. Stream technical question
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General work related assignment

Q1. What is QA and QC
Ans. 
QA stands for Quality Assurance and involves processes to prevent defects, while QC stands for Quality Control and involves processes to identify defects.
• QA focuses on preventing defects in the product or service being delivered

• QC focuses on identifying defects in the product or service being delivered

• QA involves processes such as reviews, audits, and process improvements

• QC involves processes such as testing, inspectio...read more
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Q2. Welding details
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Solving questions paper

CAD &Solid work test

Q1. Project Handling experience
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Q2. Salary negotiation
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