Building Materials The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively: 75, 10, 15 10, 75, 15 15, 75, 10 10, 15, 75 75, 10, 15 10, 75, 15 15, 75, 10 10, 15, 75 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Seasoning of timber is done for Decreasing moisture content Increasing strength of timber None to these Increasing moisture content Decreasing moisture content Increasing strength of timber None to these Increasing moisture content ANSWER DOWNLOAD EXAMIANS APP
Building Materials First class timber has an average life of Less than one year 1 to 5 years 5 to 10 years More than 10 years Less than one year 1 to 5 years 5 to 10 years More than 10 years ANSWER DOWNLOAD EXAMIANS APP
Building Materials Assertion A : Pure lime takes a long time to develop adequate strength.Reason R : Pure lime has slow hardening characteristics.Select your answer according to the coding system given below: A is false but R is true A is true but R is false Both A and R is true and R is not a correct explanation of A Both A and R is true and R is correct explanation of A A is false but R is true A is true but R is false Both A and R is true and R is not a correct explanation of A Both A and R is true and R is correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Building Materials The initial setting time of lime-pozzolana, is 30 minutes 60 minutes 90 minutes 120 minutes 30 minutes 60 minutes 90 minutes 120 minutes ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sandstone is a(i) Sedimentary rock(ii) Aqueous rock(iii) Siliceous rock Both (i) and (ii) Both (i) and (iii) Only (i) All (i), (ii) and (iii) Both (i) and (ii) Both (i) and (iii) Only (i) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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