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) (i) and (iv) (ii) and (iii) (i) and (ii) (iii) and (iv) (i) and (iv) (ii) and (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks formed by gradual deposition, are called Metamorphic rocks Sedimentary rocks None of these Igneous rocks Metamorphic rocks Sedimentary rocks None of these Igneous rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Permanent magnets are made of high carbon steel and 45% of cobalt 20% of cobalt 35% of cobalt 15% of cobalt 45% of cobalt 20% of cobalt 35% of cobalt 15% of cobalt ANSWER DOWNLOAD EXAMIANS APP
Building Materials The softest rock is Diamond Quartz Talc Marble Diamond Quartz Talc Marble ANSWER DOWNLOAD EXAMIANS APP
Building Materials During pudding All listed here Molten metal is kept clear of the fuel Carbon is converted into carbonic acid gas Silicon forms a slag All listed here Molten metal is kept clear of the fuel Carbon is converted into carbonic acid gas Silicon forms a slag ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bulking of sand is caused due to Viscosity Surface moisture Air voids Clay contents Viscosity Surface moisture Air voids Clay contents ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS