J. Kumar Infraprojects Interview Questions and Answers

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...read more
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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. What is the process for receiving materials?
Ans. 
The process for receiving materials involves checking the delivery against the purchase order, inspecting for damage, and updating inventory records.
• Check the delivery against the purchase order to ensure accuracy

• Inspect the materials for any damage or discrepancies

• Update inventory records to reflect the new stock

• Store the materials in the designated location for easy access
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Q2. What is the process for handling material issues?
Ans. 
Material issues are handled through a systematic process to ensure accurate tracking and inventory management.
• Material requisition form is filled out by requesting department

• Storekeeper verifies availability of requested material

• Material is issued from inventory and recorded in system

• Physical handover of material to requesting department is done

• Regular reconciliation of inventory records to prevent discrepancies
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Q1. What is your current Cost to Company (CTC)?
Ans. 
My current Cost to Company (CTC) is $50,000 per year.
• My current CTC is $50,000 per year

• I am currently earning $4,166.67 per month

• My CTC includes salary, benefits, and bonuses
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Q1. What is type of pvc conduit?
Ans. 
PVC conduits are durable, lightweight tubes used for electrical wiring and protection against environmental factors.
• Types include Schedule 40 and Schedule 80, differing in thickness and pressure ratings.

• Rigid PVC conduit is commonly used for underground installations.

• Flexible PVC conduit allows for easier installation in tight spaces.

• Examples include electrical raceways in residential and commercial buildings.
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Q2. What is no of testing oh tranformer?
Ans. 
Testing of transformers involves various tests to ensure performance, safety, and reliability in electrical systems.
• 1. Insulation Resistance Test: Measures the resistance of insulation to prevent electrical leakage.

• 2. Transformer Turns Ratio (TTR) Test: Compares the ratio of primary to secondary windings to ensure correct voltage transformation.

• 3. Power Factor Test: Assesses the power factor of the transformer to evalu...read more
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Q3. What is the difference of HTAnd LT cable?
Ans. 
HT (High Tension) cables carry high voltage electricity, while LT (Low Tension) cables handle lower voltage levels.
• HT cables typically operate at voltages above 1 kV, used for transmission over long distances.

• LT cables operate at voltages below 1 kV, commonly used for distribution to homes and businesses.

• Examples of HT cables include those used in power plants and substations.

• Examples of LT cables include those used in...read more
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Q4. What is lt cable range?
Ans. 
LT cable range refers to low tension cables used for electrical distribution in various applications.
• LT cables typically range from 1.1 kV to 33 kV.

• Common types include PVC insulated, XLPE insulated, and rubber insulated cables.

• Used in residential, commercial, and industrial applications.

• Examples include power distribution in buildings and street lighting.
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Q5. What is HT cable range?
Ans. 
HT cables are high-tension cables used for transmitting electricity at high voltages, typically above 1 kV.
• HT cables are designed for high voltage applications, usually ranging from 1 kV to 33 kV.

• Common types include XLPE (cross-linked polyethylene) and PVC (polyvinyl chloride) insulated cables.

• HT cables are used in power distribution networks, industrial applications, and renewable energy systems.

• Examples of HT cable ...read more
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