Building Materials
For preparing porcelains, the clay should be

Of high degree of tenacity
Sufficiently pure
Of good plasticity
All listed here

ANSWER DOWNLOAD EXAMIANS APP

Building Materials
Rapid hardening cement attains early strength due to

Larger proportion of lime grounded finer than normal cement
Lesser proportion of lime grounded finer than normal cement
Lesser proportion of lime grounded coarser than normal cement
Excess percentage of gypsum

ANSWER DOWNLOAD EXAMIANS APP