RR Projects Interview Questions and Answers

Numerical Reasoning Question
Aptitude Test Numerical Sample Question
Between which two months was there the smallest proportional increase or decrease in the mileage of Surveyor 1 in comparison to the previous month?

A) Months 1 and 2
B) Months 2 and 3
C) Months 3 and 4
D) Months 4 and 5
E) Cannot say

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Questions on basics of steel structures and on basic reasoning and aptitude. Anyone with basic knowledge of steel structures can clear it.

Q1. What is the difference between detailing and designing.
Ans. 
Detailing involves creating specific drawings and plans based on the design, while designing is the process of creating the initial concept and calculations.
• Designing is the process of coming up with the initial concept and calculations for a structure or project.

• Detailing involves creating specific drawings, plans, and specifications based on the design.

• Designing requires a deep understanding of engineering principles...read more
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Q2. Different Types of welds
Ans. 
Different types of welds include fillet welds, groove welds, plug welds, and slot welds.
• Fillet welds are used to join two surfaces at right angles, forming a triangular cross-section.

• Groove welds are used to join two pieces of metal that are parallel or nearly parallel.

• Plug welds are used to fill a hole on one workpiece with weld metal.

• Slot welds are used to join two overlapping pieces of metal by filling a slot with w
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Q3. Which connection in steel structures are good.
Ans. 
Welded connections are generally considered good in steel structures due to their strength and durability.
• Welded connections provide high strength and stiffness

• They are more durable and require less maintenance compared to bolted connections

• Welded connections are more resistant to fatigue and vibration

• Examples include fillet welds, groove welds, and plug welds
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Q4. Why industries are constructed using steel structures.
Ans. 
Steel structures are used in industries due to their strength, durability, and cost-effectiveness.
• Steel is a strong material, capable of supporting heavy loads and withstanding harsh environmental conditions.

• Steel structures are durable and have a long lifespan, reducing the need for frequent repairs or replacements.

• Steel construction is cost-effective compared to other materials, as it is readily available and easy to...read more
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Q5. SFD and BMD of different types of beams.
Ans. 
SFD (Shear Force Diagram) and BMD (Bending Moment Diagram) show the variation of shear force and bending moment along the length of a beam.
• SFD shows the variation of shear force along the length of a beam.

• BMD shows the variation of bending moment along the length of a beam.

• SFD and BMD are essential for analyzing the internal forces in a beam.

• The point of zero shear force on SFD corresponds to the point of maximum bendi...read more
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Basic engineering aptitude and engineering drawing questions

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Q1. What is angle of projection
Ans. 
Angle of projection is the angle at which an object is projected from the horizontal.
• Angle of projection is measured from the horizontal axis.

• It determines the trajectory of the object being projected.

• A smaller angle of projection results in a shorter range but higher height, while a larger angle results in a longer range but lower height.

• For example, in sports like basketball, the angle of projection of a shot can aff
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Q2. Difference between 1st angle,2nd 3rd 4th angle projection
Ans. 
1st, 2nd, 3rd, and 4th angle projections are different methods of representing a 3D object on a 2D plane in engineering drawings.
• 1st angle projection: Commonly used in Europe and Asia, where the object is placed in the first quadrant.

• 2nd angle projection: Commonly used in North America, where the object is placed in the fourth quadrant.

• 3rd angle projection: Commonly used in Australia and the UK, where the object is pla...read more
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Q1. Related to RCC Structure and Steel Structure the interview questions are coming. What is the minimum RCC grade for water retaining structure? Ans. M30 Grade.
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Q2. What is the slump for pumped concrete in a construction site? Ans. 80-100mm
Ans. 
The slump for pumped concrete in a construction site is typically 80-100mm.
• Slump refers to the measure of consistency or workability of concrete.

• Pumped concrete is used when concrete needs to be transported through pipes or hoses.

• A slump of 80-100mm is considered suitable for pumped concrete as it allows for easy flow and placement.

• If the slump is too low, the concrete may be difficult to pump, while a high slump may l...read more
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Q3. Which IS code is use for steel structure design?
Ans. 
IS 800 is the code used for steel structure design in India.
• IS 800 is the Indian Standard code for general construction in steel.

• It provides guidelines for the design, fabrication, and erection of steel structures.

• The code covers various aspects such as material properties, structural analysis, design criteria, and detailing requirements.

• It is widely used by structural engineers and architects in India for designing st...read more
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Q4. How the container wall of a Over Head Water Tank design in STAAD.Pro Software?
Ans. 
The container wall of an Over Head Water Tank can be designed in STAAD.Pro software.
• Open STAAD.Pro software and create a new project.

• Define the geometry and dimensions of the container wall.

• Assign appropriate material properties to the wall.

• Apply loads and boundary conditions to the wall.

• Analyze the structure to determine the internal forces and stresses.

• Design the wall using the relevant design codes and standards.

• Rev...read more
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Q5. Which software is better for design of Over Head Water Tank?
Ans. 
ETABS and STAAD.Pro are commonly used software for the design of Over Head Water Tanks.
• ETABS and STAAD.Pro are widely used in the structural engineering industry.

• Both software have advanced features for modeling, analysis, and design of structures.

• ETABS offers a user-friendly interface and is known for its efficient analysis capabilities.

• STAAD.Pro is known for its versatility and ability to handle complex structural sy...read more
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