Building Materials Crushing strength of a first class brick should not be less than 14.0 N/mm² 10.5 N/mm² 7.0 N/mm² 3.5 N/mm² 14.0 N/mm² 10.5 N/mm² 7.0 N/mm² 3.5 N/mm² ANSWER DOWNLOAD EXAMIANS APP
Building Materials Proper amount of entrained air in concrete results in(i) Better workability(ii) Better resistance to freezing and thawing(iii) Lesser workability(iv) Less resistance to freezing and thawing (ii) and (iii) (iii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) (iii) and (iv) (i) and (ii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The specific gravity of marble, is 2.72 2.6 2.5 2.66 2.72 2.6 2.5 2.66 ANSWER DOWNLOAD EXAMIANS APP
Building Materials If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called Mottled pig White or forge pig Grey or foundry pig Bessemer pig Mottled pig White or forge pig Grey or foundry pig Bessemer pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the polymineralic rock from the following: Quartz sand Pure gypsum Magnesite Granite Quartz sand Pure gypsum Magnesite Granite ANSWER DOWNLOAD EXAMIANS APP
Building Materials Rapid hardening cement contains Tri-calcium silicate Tri-calcium aluminate Di-calcium silicate Tetra-calcium alumino-ferrite Tri-calcium silicate Tri-calcium aluminate Di-calcium silicate Tetra-calcium alumino-ferrite ANSWER DOWNLOAD EXAMIANS APP