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 (iii) and (iv) (ii) and (iii) (i) and (ii) (i) and (iv) (iii) and (iv) (ii) and (iii) (i) and (ii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The variety of pig iron used for the manufacture of steel by Bessemer process, is White forge pig Grey pig Mottled pig Bessemer pig White forge pig Grey pig Mottled pig Bessemer pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials Compared to mild steel, cast iron has(i) High compressive strength(ii) High tensile strength(iii) Low compressive strength(iv) Low tensile strength (i) and (iv) (ii) and (iii) (iii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) (iii) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Le-Chatelier's device is used for determining the Tensile strength of cement Soundness of cement Compressive strength of cement Setting time of cement Tensile strength of cement Soundness of cement Compressive strength of cement Setting time of cement ANSWER DOWNLOAD EXAMIANS APP
Building Materials Lime mortar is generally made with Quick lime Plain lime Hydraulic lime Fat lime Quick lime Plain lime Hydraulic lime Fat lime ANSWER DOWNLOAD EXAMIANS APP
Building Materials To retard the initial setting time of cement, the compound responsible, is Tri-calcium silicate Gypsum Tri-calcium aluminate Di-calcium silicate Tri-calcium silicate Gypsum Tri-calcium aluminate Di-calcium silicate ANSWER DOWNLOAD EXAMIANS APP