Building Materials The hardest rock is Marble Quartz Talc Diamond Marble Quartz Talc Diamond ANSWER DOWNLOAD EXAMIANS APP
Building Materials For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is 80 : 13 : 7 70 : 20 : 10 60 : 35 : 5 None of these 80 : 13 : 7 70 : 20 : 10 60 : 35 : 5 None of these 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 600 minutes 10 minutes 60 minutes 30 minutes 600 minutes 10 minutes 60 minutes ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good quality stone absorbs water less than 25 % 10 % 5 % 15 % 25 % 10 % 5 % 15 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Seasoning of timber is done for Increasing moisture content Increasing strength of timber Decreasing moisture content None to these Increasing moisture content Increasing strength of timber Decreasing moisture content None to these ANSWER DOWNLOAD EXAMIANS APP
Building Materials As per IS specifications, the maximum final setting time for ordinary Portland cement should be 1 hour 10 hours 30 minutes 6 hours 1 hour 10 hours 30 minutes 6 hours ANSWER DOWNLOAD EXAMIANS APP