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Hitachi Intern Interview Questions and Answers
Hitachi Intern Interview Experiences
2 interviews found
Anonymous
I applied via Referral and was interviewed in Nov 2024. There were 3 interview rounds.
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
(3 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
- 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.
- 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
Interview Preparation Tips
- Java
- Web Technologies
- Threads
- OOPS
Topic given you need to stand out
Case study given regarding marketing opportunity
(1 Question)
- Q1. Interview taken
Interview Preparation Tips
Interview questions from similar companies
I applied via Campus Placement and was interviewed before May 2020. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Design fan.What is bm? What is nozzle?
- Ans.
BM stands for Blade Material. Nozzle is a device that directs or controls the flow of a fluid.
BM refers to the material used to make the blades of a fan. It can be plastic, metal, or wood.
Nozzle is a component that is used to control the flow of a fluid, such as air or water. It can be found in various devices, such as a garden hose or a spray bottle.
In a fan, the nozzle is the part that directs the air flow in a speci...
- Q2. Design blower for industry
- Ans.
Designing a blower for industrial use requires consideration of factors such as air flow rate, pressure, power consumption, and noise level.
Determine the required air flow rate and pressure for the specific application
Select an appropriate blower type (centrifugal, axial, etc.) based on the requirements
Calculate the power consumption and efficiency of the blower
Consider noise level and implement noise reduction measure...
Interview Preparation Tips
I applied via Referral and was interviewed in Nov 2023. There was 1 interview round.
Maths, DSA and basic python programming and details were shared immediately
Selected
I applied via LinkedIn and was interviewed in Jul 2024. There were 2 interview rounds.
(2 Questions)
- Q1. DSA questions and resume
- Q2. CS Fundamentals
(1 Question)
- Q1. Introduction and managerial questions
I applied via LinkedIn and was interviewed in Sep 2024. There were 2 interview rounds.
It was a combination of Maths and Electronics basics.
(2 Questions)
- Q1. Introduce yourself?
- Ans.
I am a recent graduate with a degree in Computer Science and a passion for coding and problem-solving.
Recent graduate with a degree in Computer Science
Passionate about coding and problem-solving
Strong communication and teamwork skills
- Q2. Tell me about your projects?
- Ans.
I have worked on various projects including a web development project, a data analysis project, and a machine learning project.
Developed a website for a local business using HTML, CSS, and JavaScript.
Conducted data analysis on customer feedback data to identify trends and make recommendations for improvement.
Implemented a machine learning algorithm to predict customer churn for a telecom company.
Interview Preparation Tips
It was a regular test with aptitude, verbal reasoning, logical reasoning and also technical questions.
(1 Question)
- Q1. They asked about my internship.
(2 Questions)
- Q1. Something about network
- Q2. It was ok, but i got a good grade and nothing after it
I applied via Referral and was interviewed before Apr 2023. There were 2 interview rounds.
Questions similar to engineering entrance exam like gate
(1 Question)
- Q1. Location prospect, work hours flexibility, factory life balance related questions
Selected
I applied via LinkedIn and was interviewed in Mar 2024. There were 2 interview rounds.
Good question are asked
(1 Question)
- Q1. Introduce yourself
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Hitachi Intern Interview Process
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Hitachi Intern Reviews and Ratings
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Rating in categories
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Senior Consultant
75
salaries
|  ₹12 L/yr - ₹35 L/yr |
|
Assistant Manager
73
salaries
| ₹6 L/yr - ₹26 L/yr |
|
Project Engineer
63
salaries
| ₹5.2 L/yr - ₹16 L/yr |
|
AC Technician
54
salaries
| ₹1.4 L/yr - ₹7 L/yr |
|
Software Engineer
49
salaries
| ₹2 L/yr - ₹10.4 L/yr |
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