Mitsubishi Heavy Industries Interview Questions and Answers

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. Basic Gate Level Questions.
Add your answer
Q2. Aptitude questions.
Add your answer

Q1. HVAC system design
Ans. 
Key considerations in HVAC system design include load calculation, equipment selection, ductwork design, and energy efficiency.
• Performing accurate load calculations to determine heating and cooling requirements

• Selecting appropriate HVAC equipment based on the load calculations and building requirements

• Designing efficient ductwork layout to ensure proper air distribution

• Considering energy efficiency measures such as hig...read more
Answered by AI
Add your answer
Q2. Questions on pipe flow and bernoulii principle
Add your answer

Q1. Witch type transformer use in elevator?
Add your answer
Q2. Difference in open loop or close loop
Add your answer

Q1. Group discussion
Add your answer
Q2. Hr round and discussion
Add your answer
Q3. Technical round and injection moulding related any questions
Add your answer