Komatsu Interview Questions and Answers

My degree and
Degree related question

Q1. Self intro CV checking
Add your answer

Q1. Self introduction family background
Add your answer
Q2. Degree related question cat industry question
Add your answer
Q3. Company related question
Add your answer

Q1. Kone instlater (TA) mod job
Add your answer
Q2. I m intrest in job work exprance is Abal abal
Add your answer
Q3. Thes is a smart elavoter and the way safety from clound
Add your answer
Q4. I m 5 year exprance and I plajer my work
Add your answer

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
Answered by AI
Add your answer
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.
Answered by AI
Add your answer
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
Answered by AI
Add your answer

Q1. Technical information
Add your answer
Q2. Vernier caliper use
Ans. 
Vernier caliper is a precision measuring tool used to measure dimensions with high accuracy.
• Vernier calipers have two scales - main scale and vernier scale for precise measurements.

• Measurements can be taken in millimeters or inches depending on the caliper.

• Commonly used in engineering, manufacturing, and quality control for accurate measurements.

• Example: Measuring the diameter of a bolt using a vernier caliper.
Answered by AI
Add your answer
Q3. Vernier caliper list count
Ans. 
The Vernier caliper is used to measure the length, width, and depth of objects with high precision.
• Vernier calipers have both metric and imperial scales for accurate measurements.

• The main scale on a Vernier caliper is in centimeters or inches, while the Vernier scale allows for more precise readings.

• To take a measurement, align the object between the jaws and read the Vernier scale where it lines up with the main scale...read more
Answered by AI
Add your answer
Q4. Sleep gauge use
Ans. 
Sleep gauge use is common in quality engineering to monitor sleep patterns and improve overall well-being.
• Sleep gauges are used to track sleep duration, quality, and patterns.

• Data collected from sleep gauges can be analyzed to identify trends and make adjustments to improve sleep quality.

• Examples of sleep gauges include Fitbit, Apple Watch, and specialized sleep tracking devices.

• Quality engineers may use sleep gauge da...read more
Answered by AI
Add your answer

Q1. Technical
Add your answer