Q. Concrete mainly consists of

View solution

Q. Vicat's apparatus is used for

View solution

Q. M 150 grade of concrete approximates

View solution

Q. Workability of concrete is measured by

View solution

Q. The rock which is not calcareous, is :

View solution

Q. For quality control of Portland cement, the test essentially done is

View solution

Q. If 1500 g of water is required to have a cement paste 1875 g of normal consistency, the percentage of water is,

View solution

Q. Under normal conditions using an ordinary cement, the period of removal of the form work, is :

View solution

Q. Wp and Wf are the weights of a cylinder containing partially compacted and fully compacted concrete. If the compaction factor Wp/Wf is 0.95, the workability of concrete is

View solution

Q. For given water content, workability decreases if the concrete aggregates contain an excess of

View solution

Q. Internal friction between the ingredients of concrete, is decreased by using

View solution

Q. For road pavements, the cement generally used, is

View solution

Q. Construction joints are generally provided in concrete

View solution

Q. M10 grade of concrete approximates

View solution

Q. For ensuring quality of concrete, use

View solution

Q. According to I.S. : 456, the number of grades of concrete mixes, is

View solution

Q. The mixture of different ingredients of cement, is burnt at

View solution

Q. The risk of segregation is more for

View solution

Q. After casting, an ordinary cement concrete on drying

View solution

Q. Hydration of cement is due to chemical action of water with

View solution