Building Materials The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to White cast iron Mottled cast iron Grey cast iron Toughed cast iron White cast iron Mottled cast iron Grey cast iron Toughed cast 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 Volcanic rocks Igneous rocks Hypabyssal rocks Plutonic rocks Volcanic rocks Igneous rocks Hypabyssal rocks Plutonic rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks which are formed due to pouring of magma at the earth's surface are called Volcanic rocks Hypabyssal rocks Igneous rocks Plutonic rocks Volcanic rocks Hypabyssal rocks Igneous rocks Plutonic rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Knots in timber are Signs of branches cut off Splits radiating from the centre Defects caused by crushing fibres Speckled strains Signs of branches cut off Splits radiating from the centre Defects caused by crushing fibres Speckled strains 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 and, R is the correct explanation of A A is false but R is true Both A and R is true but R is not the correct explanation of A A is true but R is false Both A and R is true and, R is the correct explanation of A A is false but R is true Both A and R is true but R is not the correct explanation of A A is true but R is false ANSWER DOWNLOAD EXAMIANS APP
Building Materials Lime stone is not a Sedimentary rock Metamorphic rock Aqueous rock Stratified rock Sedimentary rock Metamorphic rock Aqueous rock Stratified rock ANSWER DOWNLOAD EXAMIANS APP
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