JSW Cement Interview Questions, Process, and Tips for Experienced

MCQ's related to Concrete Technology

Q1. Brief Explanation of Past work History
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Q2. Various Type of Cement
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Various types of cement include Portland cement, white cement, rapid hardening cement, and low heat cement.
• Portland cement is the most common type used in construction.

• White cement is used for architectural purposes and to create colored concrete.

• Rapid hardening cement sets quickly and is used for projects with tight deadlines.

• Low heat cement generates less heat during hydration and is used in large concrete structures
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Q3. Difference between Flyash and GGBFS
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Flyash is a byproduct of coal combustion, while GGBFS is a byproduct of iron production. Both are used as supplementary cementitious materials in concrete.
• Flyash is a byproduct of coal combustion, while GGBFS is a byproduct of iron production.

• Flyash is lighter in color and finer in particle size compared to GGBFS.

• GGBFS has higher compressive strength and lower permeability compared to Flyash.

• Both materials are used as ...read more
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Q4. Minimum Grade of Concrete used in Severe Condition for RCC Structures
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Minimum grade of concrete for RCC structures in severe conditions is M40.
• Minimum grade of concrete for RCC structures in severe conditions is M40

• Higher grade of concrete like M50 or M60 may also be used for extra durability

• Severe conditions include exposure to aggressive chemicals, high temperatures, or heavy loads
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Q1. Small Conversation about the Past life History
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Q2. Brief Summoning of Position allotment in the Company
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Q1. Tell me about yourself.
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Q2. Why you choose JSW group
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Q1. What is GGBS it's IS code number
Ans. 
GGBS stands for Ground Granulated Blast Furnace Slag. Its IS code number is 455:1989.
• GGBS is a byproduct of the iron-making industry.

• It is obtained by quenching molten iron slag from a blast furnace with water or steam.

• GGBS is used as a partial replacement for Portland cement in concrete production.

• The IS code number 455:1989 refers to the Indian Standard specification for GGBS.
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Q2. OPC 53 Specifications
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OPC 53 Specifications are a set of guidelines for the production of high-quality cement.
• OPC 53 refers to Ordinary Portland Cement with a minimum compressive strength of 53 MPa.

• The specifications outline the chemical composition, physical properties, and performance requirements of OPC 53 cement.

• OPC 53 cement is commonly used in construction projects that require high-strength concrete, such as bridges, high-rise buildi...read more
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Q3. Blaine Apparatus calibration
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Q1. Clinkeraitation stage?
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Q2. CTM calibration procedure
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CTM calibration procedure ensures accurate measurement of critical parameters.
• CTM calibration involves adjusting and verifying the accuracy of a CTM (Continuous Monitoring) device.

• The procedure typically includes checking the device's sensors, calibrating the display, and comparing measurements with known standards.

• Regular calibration is essential to maintain the reliability and precision of CTM readings.

• Example: The C...read more
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Q3. LSF formula..? Soundness test? Raw mix??
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