Building Materials The main constituent of fly-ash, is Silica Ferrous oxide All of these Aluminium oxide Silica Ferrous oxide All of these Aluminium oxide ANSWER DOWNLOAD EXAMIANS APP
Building Materials The weight of a good quality brick when immersed in water for a period of 16 hours should not exceed the weight of dry brick 10 % None of these 20 % 15 % 10 % None of these 20 % 15 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The maximum quantity of calcium chloride used as an accelerator in cement in percentage by weight of cement is 3 2 1 4 3 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Chemically, marble is known as Siliceous rock Metamorphic rock Calcareous rock Argillaceous rock Siliceous rock Metamorphic rock Calcareous rock Argillaceous rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials Calcination of iron ores is done To remove carbonic acid To remove moisture By roasting in heaps All listed here To remove carbonic acid To remove moisture By roasting in heaps All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner are known as Rindgalls Knots Burls None of these Rindgalls Knots Burls None of these ANSWER DOWNLOAD EXAMIANS APP
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