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Pinnacle Rewards and Recognition Interview Questions and Answers

Updated 11 Mar 2024
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Q1. What a term of Rolling margin on a steel?

Ans.

Rolling margin is the difference between the actual thickness and the minimum thickness of a steel plate.

  • Rolling margin is a term used in the steel industry to measure the thickness of a steel plate.

  • It is the difference between the actual thickness and the minimum thickness of the plate.

  • The rolling margin is important because it affects the strength and durability of the steel.

  • For example, if the rolling margin is too small, the steel may be weaker and more prone to failure.

  • O...read more

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Q2. How much density of material Steel Concrete Sand

Ans.

Density of materials: Steel - 7850 kg/m3, Concrete - 2400 kg/m3, Sand - 1600 kg/m3

  • Density of steel is higher than that of concrete and sand

  • Density of concrete varies depending on the mix design

  • Density of sand can vary depending on the source and moisture content

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Q3. How much bag of cement in 1 cubic meter

Ans.

The amount of cement required for 1 cubic meter varies depending on the concrete mix design.

  • The amount of cement needed for 1 cubic meter of concrete varies from 250kg to 600kg depending on the mix design.

  • The mix design specifies the ratio of cement to other materials like sand and aggregates.

  • For example, a mix design of 1:2:4 requires 400kg of cement per cubic meter of concrete.

  • It is important to accurately calculate the amount of cement needed to ensure the strength and dur...read more

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Q4. 32 dia 1 meter weight how much?

Ans.

The weight of a 32 dia 1 meter object depends on its material.

  • The weight of the object can be calculated using its density and volume.

  • The material of the object is not specified, so the weight cannot be determined.

  • For example, a 1 meter long steel rod with a diameter of 32mm would weigh approximately 15.7 kg.

  • Without knowing the material, it is impossible to give an accurate answer.

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Q5. Initial setting time of cement

Ans.

Initial setting time of cement is the time taken by cement to harden and attain a particular strength.

  • Initial setting time is determined by Vicat apparatus

  • It is the time taken for the cement to lose its plasticity and become hard

  • The standard initial setting time for ordinary Portland cement is 30 minutes

  • Factors affecting initial setting time include temperature, water-cement ratio, and type of cement

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Q6. Elongation % of steel fy 500

Ans.

The elongation % of steel fy 500 is approximately 12%.

  • Elongation % is the measure of ductility of a material.

  • It is the percentage increase in length of a material before it fractures under tension.

  • For steel fy 500, the elongation % is approximately 12%.

  • This means that the steel can stretch up to 12% of its original length before it breaks.

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Q7. What is slump test Curing of method

Ans.

Slump test is a measure of the consistency of fresh concrete.

  • It is used to determine the workability of concrete.

  • The test involves filling a standard cone-shaped container with concrete and then removing the cone to see how much the concrete slumps or settles.

  • The amount of slump is measured in millimeters and indicates the wetness or dryness of the concrete.

  • Curing is the process of maintaining moisture in the concrete to ensure proper hydration and strength development.

  • Common...read more

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Q8. What is the density of RCC structure

Ans.

The density of RCC structure typically ranges from 2200 to 2500 kg/m^3.

  • Density of RCC is influenced by the type and proportion of materials used.

  • Common density range for RCC is 2200 to 2500 kg/m^3.

  • Higher density indicates stronger and more durable RCC structure.

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