HH Global Junior Engineer Interview Questions and Answers

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It was hard but not that much hard

Q1. Have you got any experience in coding
Ans. 
Yes, I have experience in coding with languages like Java, Python, and C++.
• I have worked on projects using Java, Python, and C++

• I have experience in writing algorithms and solving coding problems

• I have completed coding courses and participated in coding competitions
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Q2. Why you choose our company
Ans. 
I chose your company because of its reputation for innovation, strong company culture, and opportunities for growth.
• Reputation for innovation - I am impressed by the cutting-edge projects your company is known for.

• Strong company culture - I value a supportive and collaborative work environment.

• Opportunities for growth - Your company offers training programs and career advancement opportunities.
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It happened for 1 hour with basic questions

Thet ask to speak about current polltics

Q1. Tell me about yourself
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Q2. What is your expected salary
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Q1. What are two stock and four stock engine
Ans. 
Two stock and four stock engines refer to the number of strokes in the engine cycle.
• Two stock engine: Intake, compression, power, exhaust in two strokes

• Four stock engine: Intake, compression, power, exhaust in four strokes

• Two stock engines are simpler and lighter, but less efficient than four stock engines

• Four stock engines are more common in modern vehicles due to better fuel efficiency and emissions control
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Q1. How the induction motor is started?
Ans. 
Induction motor is started by providing a rotating magnetic field in the stator winding.
• Start by connecting the stator winding to a three-phase AC power supply.

• The rotating magnetic field is produced in the stator winding, which induces current in the rotor bars.

• The induced current in the rotor bars creates a magnetic field, causing the rotor to start rotating.

• Common methods of starting induction motors include direct-...read more
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Print star and string based

Q1. Difference between ArrayList and LinkedList
Ans. 
ArrayList is implemented using resizable array while LinkedList is implemented using doubly linked list.
• ArrayList provides fast random access but slow insertion and deletion at middle. LinkedList provides fast insertion and deletion but slow random access.

• ArrayList uses less memory overhead compared to LinkedList.

• Example: ArrayList is suitable for scenarios where frequent access and less frequent insertion/deletion is ...read more
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Print the tringle pattern and write the only logic

1 hr, apptitude and reasoning

C coding with little complexity

Q1. Wath is your name Wath is heat treatment Wath is melting point of cast iron
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