GAIL Site Supervisor Interview Questions and Answers

General aptitude test

Q1. Thermodynamics and heat mass transfer subject
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Q1. Subject-thermodynmics
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Q1. Grade of concrete
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Grade of concrete refers to the strength of the concrete mix design, typically denoted by a number such as M20 or C30.
• Grade of concrete is determined by the ratio of cement, sand, and aggregates in the mix.

• Higher grade numbers indicate higher strength concrete.

• Common grades include M20, M25, M30, etc. for mix design method and C15, C20, C25, etc. for nominal mix method.
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Q2. Compressive strength of concrete
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Compressive strength of concrete is the ability of concrete to withstand loads that tend to compress it.
• Compressive strength is measured by testing concrete cubes or cylinders in a laboratory.

• It is important for determining the quality and durability of concrete structures.

• The strength of concrete can vary depending on factors like mix design, curing conditions, and age.

• Typical values for compressive strength range fro...read more
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Q3. M20- 20 is compressive strength of concrete Same as M25,M30 etc
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Q4. Method of curing?
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Curing is the process of maintaining adequate moisture and temperature for concrete to ensure proper hydration and strength development.
• Curing can be done by methods such as ponding, wet covering, steam curing, and using curing compounds.

• Ponding involves creating a pond of water on the concrete surface to keep it moist.

• Wet covering is done by covering the concrete with wet burlap, sand, or other materials to retain moi...read more
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Q5. 1) spray 2) wet surface 3) ponding method 4) chemical method
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Q6. Introduce yourself
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Q1. Tell me about your self
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I am a dedicated and experienced Civil Site Supervisor with a strong attention to detail and a passion for ensuring projects are completed on time and within budget.
• I have over 5 years of experience in overseeing construction projects, including managing teams of up to 20 workers.

• I am skilled in reading and interpreting blueprints and ensuring compliance with building codes and regulations.

• I have a strong focus on safe...read more
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