A footing which supports two or more columns is termed as 

Instead of multiplying a number by 5, it has been mistakenly divided by 5. Find the percentage error due to this mistake…

The percentage of voids in cement is approximately. 

Code of the conduct is not related to: 

Workability of concrete is directly proportion to 

Sand required a high water cement ratio belongs to  

As per standard specification the work shall be done under the supervision of  

What is the weakness of the new accounting system?