J. Kumar Infraprojects QC Engineer Interview Questions and Answers for Experienced

Q1. Previous experience
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Q1. 1. What is Concrete Mix Design?
Ans. 
Concrete mix design is the process of determining the proportions of cement, water, aggregates, and admixtures to produce concrete with desired properties.
• Concrete mix design involves selecting the appropriate materials and determining their proportions to achieve the desired strength, workability, and durability of the concrete.

• Factors such as the type of cement, aggregate gradation, water-cement ratio, and admixtures...read more
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Q2. What is the maximum Liquid Limit & Plasticity Index allowed in earth work in embankment/subgrade soil ?
Ans. 
Liquid limit should not exceed 40% and Plasticity Index should not exceed 20% for earth work in embankment/subgrade soil.
• Liquid limit and Plasticity Index are important parameters to determine the suitability of soil for construction purposes.

• Higher values of Liquid limit and Plasticity Index indicate that the soil is more susceptible to deformation and settlement.

• For earth work in embankment/subgrade soil, the maximum...read more
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Mathematics, English, Reasoning

Q1. They asked Technical questions
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Q2. What is antenna What is satcom
Ans. 
An antenna is a device that converts electrical signals into electromagnetic waves and vice versa. Satcom is short for satellite communication.
• Antennas are used for transmitting and receiving signals in various applications such as radio, television, and wireless communication.

• Satcom refers to the use of satellites for communication purposes, including television broadcasting, internet access, and military communicatio...read more
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