KONE Maintenance Executive Interview Questions and Answers

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. Initial discussion
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Q1. Current role and technical
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Q1. Situational base questions along with VP
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The GD was good they give you current topic and questions related to that

Q1. Tell me about yourself
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Q2. What is role and responsibilities of leader
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Q1. Function of osg & safety gear
Ans. 
OSG stands for Occupational Safety and Health Gear. It includes equipment and clothing designed to protect workers from workplace hazards.
• OSG includes items such as helmets, gloves, safety goggles, ear protection, and safety harnesses.

• The function of OSG is to minimize the risk of injury or illness in the workplace.

• Safety gear is essential for workers in industries such as construction, manufacturing, and mining.

• Proper...read more
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Q2. Which type of motor use in elevator & disscrive drive.
Ans. 
Elevators typically use AC induction motors with variable frequency drives for smooth and efficient operation.
• AC induction motors are commonly used in elevators due to their reliability and ability to provide smooth and quiet operation.

• Variable frequency drives are used to control the speed and torque of the motor, allowing for precise movement and energy efficiency.

• The drive system in an elevator is responsible for co...read more
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Q1. How to you handle customer.
Ans. 
I handle customers with patience, empathy, and effective communication.
• Listen actively to understand their concerns

• Show empathy and understanding towards their situation

• Communicate clearly and effectively to address their needs

• Provide timely updates and follow-ups on their service requests
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Q2. Salary Discuss & your previous experience
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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
Ans. 
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
Ans. 
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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