Building Materials Permanent magnets are made of high carbon steel and 20% of cobalt 15% of cobalt 45% of cobalt 35% of cobalt 20% of cobalt 15% of cobalt 45% of cobalt 35% of cobalt ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the compound responsible for early strength of cement from the following: Tri-calcium silicate Di-calcium silicate Tri-calcium aluminate Tetra-calcium alumino-ferrite Tri-calcium silicate Di-calcium silicate Tri-calcium aluminate Tetra-calcium alumino-ferrite ANSWER DOWNLOAD EXAMIANS APP
Building Materials Seasoning of timber is done for Increasing moisture content Decreasing moisture content Increasing strength of timber None to these Increasing moisture content Decreasing moisture content Increasing strength of timber None to these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Higher pitch of the roofi) results in stronger roofii) results in weaker roofiii) requires more covering materialiv) requires less covering materialThe correct answer is (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (iii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks which are formed due to cooling of magma at a relatively shallow depth from the earth's surface are called Volcanic rocks Igneous rocks Plutonic rocks Hypabyssal rocks Volcanic rocks Igneous rocks Plutonic rocks Hypabyssal rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials The moisture content in a well seasoned timber is 15 % to 20 % 4 % to 6 % 100 % 10 % to 12 % 15 % to 20 % 4 % to 6 % 100 % 10 % to 12 % ANSWER DOWNLOAD EXAMIANS APP
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