National Marine Dredging Company Site Engineer Interview Questions and Answers

Q1. Tell me about yourself.
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Q2. Asked me my work experience and my education.
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Q1. About My work experince and my education and my knowledge.
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Q1. About my work experience and my education and my knowledge.
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Q2. My Interoduction and my
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Q1. I accepted your job
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Q2. Steel calculation
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Q1. Shuttering calculation
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Q1. Structural site questions
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Q2. Fhinishing questions
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Cement test, bitumen test, road density, ravite, autocad

Concrete properties grade

Q1. Initial and final setting time for cement.
Ans. 
Initial setting time is the time taken for the cement to harden to a certain degree, while final setting time is the time taken for the cement to completely harden.
• Initial setting time is typically around 30 minutes to 1 hour after adding water to the cement.

• Final setting time is usually around 2 to 4 hours after adding water to the cement.

• Setting time can vary based on the type of cement and environmental conditions.

• S
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Q2. What is bleeding?
Ans. 
Bleeding is the process of air escaping from fresh concrete mix and rising to the surface.
• Bleeding occurs when water in the concrete mix rises to the surface due to settlement of solid particles.

• It can lead to surface defects if not properly managed.

• Bleeding can be reduced by using proper mix design and techniques like vibration or adding admixtures.

• Excessive bleeding can weaken the surface of the concrete.

• Examples: Wa...read more
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Q1. Conduct technical interview and aptitude test
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Proove you are eligible for achive targate and focused to job.