Infra.Market Quality Assurance Engineer Trainee Interview Questions and Answers

Questions based on logical thinking and answering

Q1. What is GGBS and FLYash?
Ans. 
GGBS and FLYash are industrial byproducts used in construction as a replacement for cement.
• GGBS stands for Ground Granulated Blast Furnace Slag and is a byproduct of the iron-making industry.

• FLYash is a byproduct of coal-fired power plants.

• Both are used as a partial replacement for cement in concrete to improve its strength, durability, and environmental impact.

• GGBS and FLYash are commonly used in infrastructure projec
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Q2. What are grade of cement ?
Ans. 
Grades of cement refer to the strength of the cement mixture.
• Cement is graded based on its compressive strength.

• The most common grades of cement are 33, 43, and 53.

• Higher grade cement is used for construction of high-rise buildings and bridges.

• Grade 33 cement is used for plastering and finishing work.
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Q3. What are types of special concrete?
Ans. 
Special concrete is a type of concrete that has unique properties and characteristics.
• High-performance concrete

• Self-consolidating concrete

• Fiber-reinforced concrete

• Lightweight concrete

• Shotcrete

• Pervious concrete
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Q4. What will be amount of aggregates in concrete?
Ans. 
The amount of aggregates in concrete varies depending on the type of concrete being used.
• Aggregates typically make up 60-75% of the volume of concrete.

• The size and shape of the aggregates can also affect the strength and workability of the concrete.

• Common types of aggregates include gravel, sand, and crushed stone.

• The amount of aggregates used in concrete can be adjusted to achieve desired properties such as strength,
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Q1. General details
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Q1. Asked question from job profile
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