Texmaco Rail and Engineering Site Engineer Interview Questions and Answers

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Working of power transformer

Q1. Power factor of alternatar
Ans. 
Power factor of an alternator is a measure of how effectively it converts mechanical power into electrical power.
• Power factor is the cosine of the angle between the voltage and current waveforms in an AC circuit.

• It indicates the phase difference between voltage and current and ranges from 0 to 1.

• A power factor of 1 means the alternator is operating at maximum efficiency.

• A lagging power factor (less than 1) indicates th...read more
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Q1. What is full form of SBC
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SBC stands for Standard Building Code.
• SBC stands for Standard Building Code.

• It is a set of regulations and guidelines for construction and building safety.

• SBC helps ensure that buildings are constructed in a safe and structurally sound manner.
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Q2. Density of concrete
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Density of concrete is the mass per unit volume of concrete.
• Density of normal concrete ranges from 2200 to 2500 kg/m^3

• Lightweight concrete has a density of 800 to 2000 kg/m^3

• Factors affecting density include type of aggregates, water-cement ratio, and air content
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Q1. Diameter of TBM
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The diameter of a Tunnel Boring Machine (TBM) is the size of the tunnel it can create.
• The diameter of a TBM can vary depending on the specific machine and project requirements.

• Common diameters for TBMs range from 3 to 19 meters.

• The diameter of the TBM determines the size of the tunnel it can bore.

• TBMs with larger diameters are typically used for larger tunnels or projects.

• The diameter of the TBM is an important factor
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Q1. Tell me something about yourself
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Q1. Tell me about yourself
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I am a dedicated and experienced Site Engineer with a strong background in construction management.
• I have a Bachelor's degree in Civil Engineering from XYZ University.

• I have worked on various construction projects, including commercial buildings and residential complexes.

• I am proficient in using AutoCAD and other construction software.

• I have excellent communication and problem-solving skills, which help me coordinate w
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Q1. How to calculate steel quantity?
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Steel quantity can be calculated by multiplying the volume of steel by its density.
• Calculate the volume of steel required for the project

• Determine the density of the specific type of steel being used

• Multiply the volume by the density to obtain the steel quantity

• Consider any wastage or additional steel required for reinforcement

• Example: To calculate steel quantity for a column, multiply the cross-sectional area of the c
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Q2. What is unit weight of steel ?
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The unit weight of steel refers to the weight of a specific volume of steel material.
• Unit weight of steel is typically measured in kilograms per cubic meter (kg/m³).

• The unit weight of steel can vary depending on the type and grade of steel.

• For example, the unit weight of mild steel is around 7850 kg/m³.

• Higher strength steels like stainless steel can have a higher unit weight.

• Unit weight is an important factor in struct
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Q3. Explain slab details?
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Slab details refer to the specifications and characteristics of a concrete slab used in construction.
• Slab details include the thickness, reinforcement, and type of slab.

• The thickness of a slab depends on the load it needs to support.

• Reinforcement in slabs is typically provided using steel bars or mesh.

• Different types of slabs include one-way slab, two-way slab, flat slab, etc.

• Slab details also include the finishing mat
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Q4. How to check column beam reinforcement and slab design on site?
Ans. 
To check column beam reinforcement and slab design on site, follow these steps:
• Review the structural drawings and specifications to understand the design requirements

• Inspect the reinforcement bars for proper placement, size, and spacing

• Check the concrete cover thickness to ensure it meets the design requirements

• Verify the alignment and verticality of columns and beams using plumb bobs or laser levels

• Measure the dimensi...read more
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