In charpy test specimen, the angle of v-notch section is _______

IS 1199:1959 is for ________

According to IRC:15-2002 ___% Fly ash is required to be replaced with the total cementitious materials.

According to IRC:15-2011, maximum free W/C ratio for PPC is _____

Determine the ___ either from strength considerations or from durability considerations.

During radiography test, which region absorbs less radiation and transmits more?

Maximum size of aggregates should not be larger than _______

The adequate workability necessary for _____ compaction with the compacting equipment available.