DOPAG India Design Engineer Interview Questions and Answers

Aptitude test is conducted by organization to know the problem solving ability of candidate.

Q1. What are the different types of connections in steel structures.
Ans. 
Different types of connections in steel structures include welded connections, bolted connections, and riveted connections.
• Welded connections involve joining steel members by welding them together.

• Bolted connections use bolts and nuts to connect steel members.

• Riveted connections use rivets to connect steel members.

• Other types of connections include pinned connections and moment-resisting connections.

• Examples: Welded be...read more
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Q1. What is QA and QC
Ans. 
QA stands for Quality Assurance and involves processes to prevent defects, while QC stands for Quality Control and involves processes to identify defects.
• QA focuses on preventing defects in the product or service being delivered

• QC focuses on identifying defects in the product or service being delivered

• QA involves processes such as reviews, audits, and process improvements

• QC involves processes such as testing, inspectio...read more
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Q2. Welding details
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Q1. Stress Strain curve
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Q2. IS codes related to steel structures
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Solving questions paper

CAD &Solid work test

Q1. Project Handling experience
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Q2. Salary negotiation
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Q1. Wind calculation as per IS code
Ans. 
The procedure for wind calculation as per IS code involves determining the design wind speed, selecting the appropriate terrain category, and calculating the wind pressure.
• Determine the design wind speed based on the location and height of the structure.

• Select the appropriate terrain category (rural, urban, etc.) as per IS code guidelines.

• Calculate the wind pressure using the formula provided in the IS code.

• Consider fa...read more
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Q2. SFD and BMD of cantilever beam
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Q3. Staad model for fixed pole
Ans. 
A STAAD model for a fixed pole is a structural analysis and design model used to determine the stability and strength of a pole that is fixed in place.
• In a STAAD model for a fixed pole, the pole is typically modeled as a vertical member with fixed supports at the base.

• The model considers factors such as wind loads, dead loads, and any other relevant loads that may act on the pole.

• The analysis helps in determining the s...read more
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Q4. Design of Square base plate
Ans. 
Key considerations in designing a square base plate
• Ensure the base plate is large enough to support the load without excessive deflection

• Select appropriate material and thickness to meet structural requirements

• Consider the connection details for attaching the base plate to the structure

• Account for any potential corrosion or environmental factors that may affect the base plate

• Include provisions for anchor bolts or other...read more
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Q1. Gd@t tsa & dfmea
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Q1. About GD & T and Welding
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Q2. Difference between 1st and 3rd angle
Ans. 
1st angle projection places the object in the first quadrant, while 3rd angle projection places it in the third quadrant.
• 1st angle projection: Object is placed between the observer and the plane.

• 3rd angle projection: Object is placed behind the plane.

• In 1st angle, top view is below the front view; in 3rd angle, top view is above the front view.

• Example: For a cube, in 1st angle, the front view is at the top, while in 3r
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Q1. Homologation Questions
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Q2. Design Questions
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