Hindustan Construction Company Engineer Trainee Interview Questions and Answers

Basic aptitude questions on Round table, Number systems, Probability

Q1. Minimum cement content in preparing concrete
Ans. 
The minimum cement content in preparing concrete depends on various factors such as the type of structure, environmental conditions, and desired strength.
• The minimum cement content is typically specified by the relevant building codes or standards.

• For general construction purposes, the minimum cement content is usually around 300 kg/m³.

• In certain cases, such as for high-strength concrete or in aggressive environments, ...read more
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Q2. Structural analysis Flexibility and Stiffness method
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Q3. Mix design of Concrete
Ans. 
Mix design of Concrete involves determining the proportions of ingredients to achieve desired properties.
• Mix design is the process of determining the proportions of cement, water, aggregates, and admixtures in concrete.

• It involves considering factors such as strength, workability, durability, and economy.

• Various methods like the ACI method, British method, and DOE method can be used for mix design.

• The mix design proces...read more
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Q4. Flakiness index elongation index
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Q1. About yourself Why u did Civil engineering
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Easy level questions

Q1. Technical based questions concrete, steel, IS codes, Quality aspects, internships, site experience etc.
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Q2. What is fly ash and name the IS code for using in concrete?
Ans. 
Fly ash is a byproduct of coal combustion and can be used as a supplementary cementitious material in concrete.
• Fly ash is a fine powder that is collected from the flue gases of coal-fired power plants.

• It can replace a portion of the cement in concrete, improving its workability, durability, and strength.

• IS code for using fly ash in concrete is IS 3812 (Part 1): 2013.
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