Podcast
Questions and Answers
What is the primary purpose of curing concrete?
What is the primary purpose of curing concrete?
- To prevent the concrete from drying out too rapidly (correct)
- To increase the strength of the concrete
- To reduce the cost of the concrete
- To change the color of the concrete
Which of the following is NOT a common method of curing concrete?
Which of the following is NOT a common method of curing concrete?
- Spraying the concrete with water
- Removing the forms at the prescribed time
- Covering the concrete with paper, sacking, or burlap
- Adding chemical admixtures to the concrete mix (correct)
How long should the curing period be for massive footings?
How long should the curing period be for massive footings?
- Not specified in the text (correct)
- 3 days
- 7 days
- 1 day
Which of the following is NOT a quality of good concrete?
Which of the following is NOT a quality of good concrete?
What is the purpose of the slump test in concrete production?
What is the purpose of the slump test in concrete production?
Which of the following is NOT a material used in concrete?
Which of the following is NOT a material used in concrete?
What is the purpose of using curing compounds in concrete?
What is the purpose of using curing compounds in concrete?
Which of the following is NOT a type of processed concrete mentioned in the text?
Which of the following is NOT a type of processed concrete mentioned in the text?
What is the maximum amount of color pigment that can be added to cement by weight?
What is the maximum amount of color pigment that can be added to cement by weight?
Which of the following is NOT an admixture that can be mixed into mortar?
Which of the following is NOT an admixture that can be mixed into mortar?
What type of lumber should be used for form construction?
What type of lumber should be used for form construction?
Which of the following is NOT a cementing material mentioned in the text?
Which of the following is NOT a cementing material mentioned in the text?
What is the purpose of a slump test in concrete?
What is the purpose of a slump test in concrete?
What is the primary purpose of using admixtures in concrete?
What is the primary purpose of using admixtures in concrete?
Which of the following is NOT a surface application finish for concrete?
Which of the following is NOT a surface application finish for concrete?
What is the primary purpose of curing concrete?
What is the primary purpose of curing concrete?
What is the maximum allowable free-fall distance for concrete in unexposed work?
What is the maximum allowable free-fall distance for concrete in unexposed work?
What should be done before placing concrete in the forms?
What should be done before placing concrete in the forms?
What can happen if concrete is piled up in the forms?
What can happen if concrete is piled up in the forms?
What is the purpose of curing concrete?
What is the purpose of curing concrete?
What is the maximum allowable free-fall distance for concrete in exposed work?
What is the maximum allowable free-fall distance for concrete in exposed work?
What is the purpose of forms in concrete construction?
What is the purpose of forms in concrete construction?
What is the purpose of a slump test in concrete construction?
What is the purpose of a slump test in concrete construction?
What is the purpose of admixtures in concrete?
What is the purpose of admixtures in concrete?
What is a disadvantage of Pumice as a lightweight aggregate?
What is a disadvantage of Pumice as a lightweight aggregate?
How can the water absorption of Pumice be mitigated?
How can the water absorption of Pumice be mitigated?
What is a disadvantage of Perlite as a lightweight aggregate?
What is a disadvantage of Perlite as a lightweight aggregate?
In which applications is Perlite useful?
In which applications is Perlite useful?
What does the extreme lightness of Perlite increase the tendency of?
What does the extreme lightness of Perlite increase the tendency of?
How does the small particle size of Perlite affect its usage?
How does the small particle size of Perlite affect its usage?
'Aggregates of volcanic origin Pumice' is well qualified as a lightweight aggregate. What weight range does Pumice typically have per cubic foot?
'Aggregates of volcanic origin Pumice' is well qualified as a lightweight aggregate. What weight range does Pumice typically have per cubic foot?
What is the main purpose of adding metallic aluminum powder to the concrete mixture in Aerocrete?
What is the main purpose of adding metallic aluminum powder to the concrete mixture in Aerocrete?
Which of the following is NOT a typical application of Aerocrete?
Which of the following is NOT a typical application of Aerocrete?
What is the process of Gunite concrete?
What is the process of Gunite concrete?
What is a common application of Gunite concrete?
What is a common application of Gunite concrete?
Which of the following statements about Aerocrete is NOT true?
Which of the following statements about Aerocrete is NOT true?
What is the trade name of the machine used to manufacture Gunite concrete?
What is the trade name of the machine used to manufacture Gunite concrete?
Which of the following materials is NOT mentioned as a cementing material in the given text?
Which of the following materials is NOT mentioned as a cementing material in the given text?
What is the purpose of adding water to the dry constituents in the Gunite process?
What is the purpose of adding water to the dry constituents in the Gunite process?
