KONE Workman Interview Questions and Answers

Q1. About you and your past experience
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Q1. Simple question about elevator
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Q2. Simple question about electrical and mechanical engineering questions
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Q3. Type motor and what difference
Ans. 
A motor is a device that converts electrical energy into mechanical energy.
• Motors are classified into two types: AC motors and DC motors.

• AC motors are powered by alternating current and are commonly used in household appliances and industrial machinery.

• DC motors are powered by direct current and are commonly used in electric vehicles and robotics.

• The main difference between AC and DC motors is the type of current they ...read more
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Q4. Use of PPE about safety
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PPE is essential for ensuring safety in various industries.
• PPE stands for Personal Protective Equipment.

• It includes items like helmets, gloves, goggles, masks, etc.

• PPE is used to protect workers from hazards and prevent injuries.

• Examples of PPE usage include wearing a hard hat on construction sites, using gloves when handling chemicals, and wearing a mask during a pandemic.

• Proper training and education on PPE usage are
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Q1. Transformer type
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There are various types of transformers, including step-up, step-down, isolation, autotransformer, and distribution transformers.
• Step-up transformers increase voltage levels for long-distance power transmission.

• Step-down transformers decrease voltage levels for household use.

• Isolation transformers provide electrical isolation between circuits.

• Autotransformers have a single winding with taps for different voltage levels...read more
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Q2. How check motor healty or not
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To check if a motor is healthy, perform visual inspection, listen for unusual noises, check for overheating, measure voltage and current, and conduct performance tests.
• Perform a visual inspection for any signs of damage or wear

• Listen for any unusual noises such as grinding or squealing

• Check for overheating by feeling the motor casing during operation

• Measure voltage and current to ensure they are within the specified ra...read more
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Q1. PNR tool related
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New metric tool one nut is running tool oil plus And all part related quarry
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Q2. Balancers related
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Balancer adjustment and Balancer problam, Q. what this Secondary protection Ans:- wire rope is connected Balancer with beem.
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Q1. Torquing related
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PNR Tool is connected Transuser with ETA Tool Is running Tourq is watching ETA Display. and Another activity Quality Department Checked by Tourqrange
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Q2. Impact tool related
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Q1. Air hose related
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Q2. Socket related question
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Q1. Compressor related
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Q2. Forklift related
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Q1. Safety related question
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Q2. Maintenance in material related
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Maintenance is shine and another Activities morning 08:00AM groups meeting and Evaning 04:00 breakdown related query etc.

Maintenance groups is all member spot antorher person

Q1. Nothing Much easy only
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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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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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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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