Apco Infratech Senior Highway Engineer Interview Questions and Answers for Experienced

Q1. 1. Safety valve types and selection criteria 2. Thermowell Design concept 3. Diff. Pressure Type Flow meter concept and criteria 4. Cable construction details 5. Hook-Ups details
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Q2. 1. Installation details 2. Flowmeter straigth lengths requirement
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Q1. PAST EXPERIENCE QUESTIONS
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Q1. About your self. About casting yard. About Methodology of casting of different structures. About site progress planning and time cycle of progress. This process is for 30-40 minutes.
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Q1. Details of my Education and experience. Salary negotiation and finalization of joining.
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Q1. Whate are different bus bar schemes?
Ans. 
Bus bar schemes are different ways of connecting bus bars in power systems.
• Single bus bar scheme

• Double bus bar scheme

• Main and transfer bus bar scheme

• Ring bus bar scheme

• Breaker and a half scheme

• Mesh bus bar scheme
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Q2. What are the equipment sequence for any line bay?
Ans. 
The equipment sequence for any line bay starts with the circuit breaker and ends with the transformer.
• The circuit breaker is the first equipment in the sequence.

• Next comes the isolator switch.

• After that, the earth switch is operated.

• Then the line disconnector is opened.

• Finally, the transformer is disconnected from the line.

• The sequence is reversed when the line bay is put back into service.
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Q1. What you want to leave your current organization?
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Q2. Are you comfortable to relocate to another city?
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About site experience

Q1. Site execution technical
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Q1. Prepare basics properly before going for interview, they mostly ask less questions with more depth.
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Q2. Draw BMD for sway frame.
Ans. 
BMD for sway frame is a diagram showing the variation of bending moment along the length of the frame.
• BMD for sway frame will have a shape similar to a zigzag pattern due to the presence of sway in the frame.

• The bending moment will be maximum at the points where the frame experiences maximum sway.

• The BMD can be drawn by analyzing the internal forces and moments acting on the frame.
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Q1. Draw piperack elevations
Ans. 
Drawing piperack elevations involves creating detailed drawings of the structure from different viewpoints.
• Start by determining the dimensions and layout of the piperack

• Use software like AutoCAD to create accurate and detailed drawings

• Include all necessary details such as pipe sizes, supports, and connections

• Label all components clearly for easy understanding

• Review and revise the drawings as needed for accuracy
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Q2. Anchor bolt design
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Q3. Base plate design
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