Podcast
Questions and Answers
What is the compressive strength of M25 grade concrete in psi?
What is the compressive strength of M25 grade concrete in psi?
- 2175psi
- 2900psi
- 4350psi
- 3625psi (correct)
Which of the following grades of concrete is used in the construction of foundation?
Which of the following grades of concrete is used in the construction of foundation?
- M20 and M25
- M10 and M15
- M30 and M35
- M5 and M7.5 (correct)
What is the primary purpose of using M5 grade concrete in construction?
What is the primary purpose of using M5 grade concrete in construction?
- To provide a uniform surface for the foundation
- To build footing, columns, and slabs
- To construct concrete roads
- To prevent direct contact of foundation concrete from the soil (correct)
Which of the following is NOT a use of M10 and M15 grades of concrete?
Which of the following is NOT a use of M10 and M15 grades of concrete?
What is the compressive strength of M40 grade concrete in Mpa?
What is the compressive strength of M40 grade concrete in Mpa?
What is the mix ratio of M20 grade concrete?
What is the mix ratio of M20 grade concrete?
What primarily affects the modulus of elasticity of concrete?
What primarily affects the modulus of elasticity of concrete?
At what stress levels does the modulus of elasticity of concrete start decreasing?
At what stress levels does the modulus of elasticity of concrete start decreasing?
What is a limitation of even the highest-grade concrete?
What is a limitation of even the highest-grade concrete?
What is the primary purpose of watertight concrete?
What is the primary purpose of watertight concrete?
What is one of the most valuable properties of concrete?
What is one of the most valuable properties of concrete?
What is the most important parameter that gives a picture of the overall quality of concrete?
What is the most important parameter that gives a picture of the overall quality of concrete?
What is the primary function of weigh batchers in concrete production?
What is the primary function of weigh batchers in concrete production?
What type of weigh batchers can measure the moisture content of aggregates?
What type of weigh batchers can measure the moisture content of aggregates?
What is the primary concern when transporting concrete to its place of use?
What is the primary concern when transporting concrete to its place of use?
What is the primary advantage of using crane buckets and ropeways for transporting concrete?
What is the primary advantage of using crane buckets and ropeways for transporting concrete?
What is the main objective of transporting concrete from the mixing plant to the construction site?
What is the main objective of transporting concrete from the mixing plant to the construction site?
What is the primary advantage of using belt conveyers for transporting concrete?
What is the primary advantage of using belt conveyers for transporting concrete?
What is unique about the curing method using infra-red radiations?
What is unique about the curing method using infra-red radiations?
What is the primary reason for using pneumatic wheels in wheelbarrows for transporting concrete?
What is the primary reason for using pneumatic wheels in wheelbarrows for transporting concrete?
What is the primary advantage of using electronic weigh batchers over mechanical weigh batchers?
What is the primary advantage of using electronic weigh batchers over mechanical weigh batchers?
What is the main difficulty in rapid steam curing of concrete?
What is the main difficulty in rapid steam curing of concrete?
What is the ratio of cement to fine aggregate to coarse aggregate in a 1:1:2 concrete mix using weigh batching?
What is the ratio of cement to fine aggregate to coarse aggregate in a 1:1:2 concrete mix using weigh batching?
Why is it essential to clean and wet the mortar pan before starting concrete transportation?
Why is it essential to clean and wet the mortar pan before starting concrete transportation?
What is the purpose of using steam in concrete curing?
What is the purpose of using steam in concrete curing?
What is the term used to describe the process of transferring concrete from the mixing plant to the construction site?
What is the term used to describe the process of transferring concrete from the mixing plant to the construction site?
What is the benefit of using high-pressure steam curing?
What is the benefit of using high-pressure steam curing?
Why is truck mixing preferred for transporting concrete over long distances?
Why is truck mixing preferred for transporting concrete over long distances?
What is the purpose of the pre-steaming period in low-pressure steam curing?
What is the purpose of the pre-steaming period in low-pressure steam curing?
What percentage of the 28-day power can be achieved in 16 to 24 hours using low-pressure steam curing?
What percentage of the 28-day power can be achieved in 16 to 24 hours using low-pressure steam curing?
