Marvel Infraprojects Interview Questions and Answers

The mix design criteria of IS 456 refers to the specifications for designing concrete mixes.

• IS 456 is the Indian Standard code of practice for plain and reinforced concrete.

• The mix design criteria include the proportions of various ingredients in the concrete mix.

• The criteria also consider the strength, workability, and durability requirements of the concrete.

• The mix design criteria of IS 456 provide guidelines for sel...read more

The code that follows design mix is the Building Code.

• The Building Code provides guidelines and regulations for the design and construction of buildings.

• It includes specifications for materials, structural design, fire safety, and other aspects of building construction.

• Compliance with the Building Code ensures that the design mix of a building meets the required standards.

• Different countries or regions may have their o...read more

The slump required for pumble concrete depends on various factors such as the type of construction, weather conditions, and desired workability.

• Slump is a measure of the consistency or fluidity of concrete.

• For pumble concrete, the slump requirement may vary depending on the specific project requirements.

• In general, a slump of 4 to 6 inches is commonly used for pumble concrete.

• However, it is important to consult the pro...read more

Chemical admixtures are substances added to concrete to enhance its properties and performance.

• Chemical admixtures are used in concrete construction to improve workability, durability, and strength.

• There are several types of chemical admixtures, including water-reducing admixtures, air-entraining admixtures, accelerating admixtures, and retarding admixtures.

• Water-reducing admixtures reduce the amount of water needed in...read more

The maximum dosage admixture depends on the type of admixture and the concrete mix design.

• The maximum dosage admixture is the highest amount of admixture that can be added to a concrete mix without compromising its strength or durability.

• The maximum dosage admixture varies depending on the type of admixture used, such as water reducers, air-entraining agents, or set accelerators.

• The maximum dosage admixture also depend...read more