KONE Technical Service Manager Interview Questions, Process, and Tips

Q1. Questions about my profile and aspirations
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Situation based questions

Quantitative Aptitude, Numerical Ability, Synonym etc

Q1. Introduce yourself Where you did Training? What was your academic project? Guide? What do you like? Tractor or Implement? What is your aim?
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Q1. About my tech experience and some technical questions from my tech stack
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Q2. What is the toughest project that you have worked so far
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Q1. Questions were mainly focused on cloud and testing field
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Coding related to Arrays and String

Q1. Explain your project?
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30 question of c code snippet 5 question of aptitude and 2 coding question

Q1. Storage class in c
Ans. 
Storage classes in C define the scope and lifetime of variables.
• There are 4 storage classes in C: auto, register, static, and extern.

• Auto variables are stored in memory and have local scope.

• Register variables are stored in CPU registers for faster access.

• Static variables retain their value between function calls.

• Extern variables are declared outside of any function and can be accessed by other files.
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Q2. Mutex and semaphore
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Q1. What is cnc how it is work
Ans. 
CNC stands for Computer Numerical Control. It is a manufacturing process that uses computerized systems to control machine tools.
• CNC is a manufacturing process that automates the operation of machine tools.

• It uses computerized systems to control the movement and operation of the tools.

• CNC machines are programmed with specific instructions to perform precise cutting, drilling, or shaping operations.

• The instructions are ...read more
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Q2. Which types of gauge use you
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I use various types of gauges depending on the specific engineering task at hand.
• I use pressure gauges to measure fluid pressure in hydraulic systems.

• I use temperature gauges to monitor the temperature of machinery and equipment.

• I use strain gauges to measure the deformation or strain of materials under load.

• I use flow meters to measure the flow rate of liquids or gases in pipelines.

• I use level gauges to determine the ...read more
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Q3. How much tools use in cnc
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The number of tools used in CNC machining varies depending on the complexity of the project and the machine capabilities.
• The number of tools used in CNC machining can range from a few to hundreds, depending on the requirements of the project.

• Different tools are used for different operations such as drilling, milling, turning, and cutting.

• The selection of tools depends on factors like material type, desired finish, tole...read more
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Q4. How much salary you expected
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There were 4 sections and first one was quant, second one was logical, third was English and finally 3 coding questions in last section

4 codes and 5 technical questions

Q1. Explain multi threading
Ans. 
Multi threading is the ability of a CPU to execute multiple threads concurrently.
• Allows for parallel execution of tasks, improving performance

• Each thread has its own stack and runs independently

• Threads can communicate and synchronize using shared memory

• Examples: running multiple tasks simultaneously in a web server, processing data in parallel
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Q2. What is polymorphism
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Polymorphism is the ability of a single function or method to operate on different types of data.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• It enables a single interface to be used for different data types.

• Examples include method overloading and method overriding in object-oriented programming.
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Q3. Diff b/w inner and outer joins
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Inner join returns only the rows that have matching values in both tables, while outer join returns all rows from both tables.
• Inner join: returns rows with matching values in both tables

• Outer join: returns all rows from both tables, with NULL values where there is no match

• Example: Inner join - SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.id

• Example: Outer join - SELECT * FROM table1 LEFT OUTER JOIN table
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