Building Materials The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called Volcanic rocks Plutonic rocks Hypabyssal rocks Igneous rocks Volcanic rocks Plutonic rocks Hypabyssal rocks Igneous rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of silica in a good brick earth lies between 70 to 80 % 5 to 10 % 20 to 30 % 50 to 60 % 70 to 80 % 5 to 10 % 20 to 30 % 50 to 60 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The size of mould for bricks, is generally kept 10% larger than specified size A little large to specified size A little small to specified size Equal to specified size 10% larger than specified size A little large to specified size A little small to specified size Equal to specified size ANSWER DOWNLOAD EXAMIANS APP
Building Materials Priming consists of One part of white lead, 8 parts of chalk and four parts of twice boiled linseed oil None to these 8 parts of white lead, one part of chalk and four parts of twice boiled linseed oil One part of white lead, 8 parts of chalk and one part of linseed oil One part of white lead, 8 parts of chalk and four parts of twice boiled linseed oil None to these 8 parts of white lead, one part of chalk and four parts of twice boiled linseed oil One part of white lead, 8 parts of chalk and one part of linseed oil ANSWER DOWNLOAD EXAMIANS APP
Building Materials The initial setting time for ordinary Portland cement as per IS specifications should not be less than 60 minutes 30 minutes 10 minutes 600 minutes 60 minutes 30 minutes 10 minutes 600 minutes ANSWER DOWNLOAD EXAMIANS APP
Building Materials Age of a tree may be ascertained by Number of annual rings Circumference of its stem Number of branches Radius of its stem Number of annual rings Circumference of its stem Number of branches Radius of its stem ANSWER DOWNLOAD EXAMIANS APP
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