Building Materials The basic purpose of a retarder in concrete is To decrease the initial setting time of cement paste in concrete To improve the workability of concrete mix To increase the initial setting time of cement paste in concrete To render the concrete more water tight To decrease the initial setting time of cement paste in concrete To improve the workability of concrete mix To increase the initial setting time of cement paste in concrete To render the concrete more water tight ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following pairs gives a correct combination of the useful and harmful constituents respectively of a good brick earth? Lime stone and alumina Silica and alkalies Alkalies and magnesium Alumina and iron Lime stone and alumina Silica and alkalies Alkalies and magnesium Alumina and iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials Index number expressing the relative sizes of both coarse and fine aggregates, is called Fineness modulus Grading of aggregates None of these Proportioning of aggregates Fineness modulus Grading of aggregates None of these Proportioning of aggregates ANSWER DOWNLOAD EXAMIANS APP
Building Materials Calcination of iron ores is done All listed here By roasting in heaps To remove moisture To remove carbonic acid All listed here By roasting in heaps To remove moisture To remove carbonic acid ANSWER DOWNLOAD EXAMIANS APP
Building Materials Distemper is A drying agent A paint consisting of colored cement and water A water proofing agent A paint consisting of powdered chalk, pigments and water A drying agent A paint consisting of colored cement and water A water proofing agent A paint consisting of powdered chalk, pigments and water ANSWER DOWNLOAD EXAMIANS APP
Building Materials Vanadium steel is generally used for Bearing balls Axles and springs Magnets Railway switches and crossing Bearing balls Axles and springs Magnets Railway switches and crossing ANSWER DOWNLOAD EXAMIANS APP
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