What is the time period required for the invitation of bids in the case of NCB? 

One of the Lehmann's rules of plane tabling, is. 

In slump test, each layer of concrete is compacted by a steel rod 60 cm long and of 16 mm diameter for. 

A work costing less than Rs. 20000 is termed as 

The total change in level along the line is equal to total back sights 

The temperature at which bricks are burnt varies from 

According to IS: 4561978, the flexural strength of concrete is