SYSTRA OHE Engineer Interview Questions and Answers for Experienced

Q1. Electrical engineers
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Q2. Electrical digine eng
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Q3. Why joined your company
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I joined the company because of its innovative projects and collaborative work environment.
• Opportunity to work on cutting-edge projects

• Collaborative work environment

• Company's reputation in the industry

• Career growth opportunities
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Q1. About your work define self.
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Q2. Pile, Girder and Major bridge related.
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Q1. Mix design of PQC
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Easy to Moderate Level Questions

Q1. Medium to Difficult and Numerical Question
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Q1. Technical Question From Qualification and Resume Based
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Q1. Introduction, Some General Knowledge
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Q1. What is the HDPE and Di pipe is code ??
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HDPE and Di pipe IS codes are standards set by the Bureau of Indian Standards for high-density polyethylene and ductile iron pipes.
• IS 4984: High-density polyethylene (HDPE) pipes for potable water supplies

• IS 8329: Ductile iron (DI) pipes and fittings for pressure pipelines
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Q2. Types of Aerator.
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Aerators are devices used to add air into water or other liquids to increase oxygen levels.
• Surface aerators

• Submersible aerators

• Diffused aerators

• Mechanical aerators

• Aspirating aerators
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Q3. 3 Types of Aerator - 1) cascade 2) Tray tower 3) spray nozal
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Q1. Self introduction, current project status,and what you have done in project.
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Q1. Tells Status of round -1, and are you allocated for what they wanted location,if you are agree then continue the final of HR
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Q1. Asks current CTC and expected CTC
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Q1. Expected Salary discussion
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Q2. Previous Proof of documents
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Q1. Fundamentals of oops
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Object-oriented programming principles like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation restricts access to certain components within a class.

• Polymorphism allows objects to be treated as instances of their parent class.

• Abstraction hides complex implementation details and only shows necessary features.
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Q2. Expain Desiggn patterns
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Design patterns are reusable solutions to common problems in software design.
• Design patterns provide a template for solving recurring design problems in software development.

• They help in making code more maintainable, scalable, and easier to understand.

• Examples of design patterns include Singleton, Factory, Observer, and Strategy patterns.
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Q1. OHE dependency on Signal, where and what, What is obligatory Mast and why it is used. Why Earthing and Bonding is important.
Ans. 
OHE dependency on Signal, Mast, Earthing and Bonding explained.
• OHE is dependent on signals for safe operation.

• Masts are used to support the overhead wires and provide insulation.

• Obligatory masts are those that are required for safe operation and are placed at specific intervals.

• Earthing and bonding are important for safety and to prevent electrical interference.

• Earthing provides a path for electrical current to flow sa...read more
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Q2. What is cess level , What is embedded length, what needs to maintain the OHE quality,
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Explanation of cess level, embedded length and OHE quality maintenance.
• Cess level is the height difference between the rail top and the OHE contact wire.

• Embedded length is the length of the OHE mast embedded in the foundation.

• OHE quality maintenance involves regular inspection, cleaning, and replacement of worn-out components.

• Proper tensioning of the contact wire and ensuring adequate clearance between the wire and oth...read more
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