Building Materials For melting one tonne of cast iron 700 m3 air is required One quintal coke is required All listed here 20 kg limestone is required 700 m3 air is required One quintal coke is required All listed here 20 kg limestone is required 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 (i) and (ii) (i) and (iv) (iii) and (iv) (ii) and (iii) (i) and (ii) (i) and (iv) (iii) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks having alumina or clay as their major constituents are known as Sedimentary rocks Siliceous rocks Argillaceous rocks Calcareous rocks Sedimentary rocks Siliceous rocks Argillaceous rocks Calcareous rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bessemer process is used for the manufacture of Steel Wrought iron Cast iron Pig iron Steel Wrought iron Cast iron Pig iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials Non acid-resistant asbestos is: Amosite asbestos None of these Tremolite asbestos Chrysotile asbestos Amosite asbestos None of these Tremolite asbestos Chrysotile asbestos ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rock generally used for roofing, is Granite Slate Basalt Pumice Granite Slate Basalt Pumice ANSWER DOWNLOAD EXAMIANS APP