Concrete Technology MCQs | Page - 14

Q. 131) For concrete exposed to a very aggressive environment the w/c should be lower than __________

Q. 132) The quality of concrete, specifically a ____________ w/c ratio, is the best protection against sulphate attack.

Q. 133) The continuous strain, which the concrete undergoes due to application of external loads, is called __________

Q. 134) Harshness in concrete is due to the excess of _____________

Q. 135) __________ has designated the concrete mixes into a number of grades as M10, M15.

Q. 136) What is the approx. mix proportion for M10?

Q. 137) Which of the following statement is wrong?

Q. 138) Insufficient quantity of water

Q. 139) In the manufacture of cement, the dry or wet mixture of calcareous and argillaceous materials is burnt at a temperature between

Q. 140) The practical utility of concrete technology for civil engineers is to