Building Materials Wrought iron contains carbon upto 1.0 % 2.0 % 1.5 % 0.25 % 1.0 % 2.0 % 1.5 % 0.25 % 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 20 % 15 % 10 % None of these 20 % 15 % 10 % None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials First class timber has an average life of 1 to 5 years Less than one year More than 10 years 5 to 10 years 1 to 5 years Less than one year More than 10 years 5 to 10 years ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main ingredients of Portland cement are Lime and silica Lime and iron Lime and alumina Silica and alumina Lime and silica Lime and iron Lime and alumina Silica and alumina ANSWER DOWNLOAD EXAMIANS APP
Building Materials Portland cement manufactured from pure white chalk and clay but free from iron-oxide, is known as Quick setting cement Rapid hardening cement Low heat Portland cement White cement Quick setting cement Rapid hardening cement Low heat Portland cement White cement ANSWER DOWNLOAD EXAMIANS APP
Building Materials The initial setting time for ordinary Portland cement as per IS specifications should not be less than 30 minutes 10 minutes 600 minutes 60 minutes 30 minutes 10 minutes 600 minutes 60 minutes ANSWER DOWNLOAD EXAMIANS APP
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