J. Kumar Infraprojects Interview Questions, Process, and Tips for Experienced

Q1. How define one way slab?
Ans. 
One way slab is a type of slab which is supported by beams on two opposite sides only.
• One way slab is designed to span in one direction only

• It is supported by beams on two opposite sides

• Commonly used in buildings with rectangular layout

• Examples include slabs in residential buildings, offices, and commercial spaces
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Q2. Stresing calculation how to do?
Ans. 
Stressing calculation involves determining the internal forces acting on a structure and analyzing their effects.
• Calculate the external loads acting on the structure

• Determine the support reactions at the foundation

• Analyze the internal forces using methods like the method of joints or sections

• Calculate the stresses in the structural members based on the internal forces

• Consider factors like material properties and safety
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Q1. What is weight of 32 mm diameter bar?
Ans. 
The weight of a 32 mm diameter bar can be calculated using the formula for the weight of a round bar.
• Calculate the cross-sectional area of the bar using the formula A = πr^2, where r is the radius (diameter/2)

• Determine the weight of the bar using the formula Weight = Volume x Density, where Volume = A x Length and Density is the density of the material

• For example, for a steel bar with a density of 7850 kg/m^3 and a len...read more
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Q2. Define LD?
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LD stands for Line of Development, which is a line connecting the points of intersection of the ground surface and the tunnel axis.
• LD is used in tunneling projects to determine the alignment of the tunnel with respect to the ground surface.

• It helps in ensuring that the tunnel is constructed in the desired direction and at the correct depth.

• LD is crucial for maintaining the stability and structural integrity of the tunn...read more
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About materials knowledge,like Shuttering,mivan,mep, finishing etc.

Q1. Five shuttering materials name ?
Ans. 
Shuttering materials are used in construction to support the concrete until it sets. Five common materials include plywood, steel, timber, plastic, and aluminum.
• Plywood: commonly used due to its strength and flexibility

• Steel: provides strong support for heavy concrete loads

• Timber: traditional material that is cost-effective and easy to work with

• Plastic: lightweight and easy to clean, often used for smaller projects

• Alum...read more
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Q2. 5 Electrical materials name ?
Ans. 
Electrical materials are essential components used in electrical systems for conducting electricity.
• Copper wire

• Insulation tape

• Switches

• Circuit breakers

• Light bulbs
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Q1. Machinery cable
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Q2. Switches and working switches
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Q3. Cable and swithes
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Q4. Machinery working
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Q5. Cable and swithes load
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Q1. How much type of lifting crane
Ans. 
There are several types of lifting cranes used in various industries.
• Mobile cranes

• Tower cranes

• Overhead cranes

• Telescopic cranes

• Loader cranes
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Q2. How much type of lifting
Ans. 
There are two main types of lifting: manual lifting and mechanical lifting.
• Manual lifting involves lifting objects by hand, without the use of equipment.

• Mechanical lifting involves using equipment such as cranes, forklifts, or hoists to lift heavy objects.

• Proper training and techniques are essential to prevent injuries during lifting.

• Examples of manual lifting include lifting boxes, bags, or furniture.

• Examples of mecha...read more
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