Power Mech Projects Site Engineer Interview Questions and Answers for Freshers

Q1. About salary breakups about current CTC:- Expected CTC:-
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Q1. Previous working experience detailed. Documents verification
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Q1. What is concrete Temperature
Ans. 
Concrete temperature refers to the temperature of freshly mixed concrete.
• Concrete temperature affects the setting time and strength development of concrete.

• It is important to control the temperature of concrete during mixing, transportation, and placement.

• High temperatures can accelerate the setting time and reduce workability, while low temperatures can slow down setting and strength gain.

• Concrete temperature is typic...read more
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Q2. Precocious of water structure joint
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Precocious of water structure joint refers to the ability of a joint to withstand water pressure and prevent leakage.
• Water structure joints should be designed and constructed to be watertight.

• Various types of joints can be used in water structures, such as expansion joints, construction joints, and control joints.

• Proper sealing materials and techniques should be employed to ensure the integrity of the joints.

• Regular in...read more
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Q3. Cube test results in 7 days & 28 days
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Cube test results are used to determine the compressive strength of concrete at 7 and 28 days.
• Cube test involves casting cubes of concrete and testing them under compression

• Results are reported in terms of compressive strength in MPa or psi

• 7-day results are used to determine early strength and 28-day results are used to determine ultimate strength

• Concrete with a compressive strength of at least 20 MPa is considered sui
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Q4. 7 days Results 65% & 28 days Results 99.99%
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Q1. Execution department questions
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Q2. Pipe laying questions
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Q3. Joining questions
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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
Ans. 
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
Ans. 
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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