Building Materials The main ingredients of Portland cement are Lime and silica Silica and alumina Lime and alumina Lime and iron Lime and silica Silica and alumina Lime and alumina Lime and iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called Hypabyssal rocks Igneous rocks Volcanic rocks Plutonic rocks Hypabyssal rocks Igneous rocks Volcanic rocks Plutonic rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sea sand used in structures causes Disintegration Dampness Efflorescence All of these Disintegration Dampness Efflorescence All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Gypsum consists of CO₂ and calcium H₂S and CO₂ CaSO4 and H₂O Lime and H₂O CO₂ and calcium H₂S and CO₂ CaSO4 and H₂O Lime and H₂O ANSWER DOWNLOAD EXAMIANS APP
Building Materials Permanent magnets are made of high carbon steel and 15% of cobalt 35% of cobalt 45% of cobalt 20% of cobalt 15% of cobalt 35% of cobalt 45% of cobalt 20% of cobalt ANSWER DOWNLOAD EXAMIANS APP
Building Materials Assertion A : Paints with white lead base are not recommended for painting of iron works.Reason R : Paints with white lead base do not check rusting of iron.Select your answer according to the coding system given below: Both A and R is true but R is not the correct explanation of A A is false but R is true A is true but R is false Both A and R is true and, R is the correct explanation of A Both A and R is true but R is not the correct explanation of A A is false but R is true A is true but R is false Both A and R is true and, R is the correct explanation of A ANSWER DOWNLOAD EXAMIANS APP