Building Materials Percentage of silica in a good brick earth lies between 70 to 80 % 5 to 10 % 20 to 30 % 50 to 60 % 70 to 80 % 5 to 10 % 20 to 30 % 50 to 60 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The basic purpose of a retarder in concrete is To increase the initial setting time of cement paste in concrete To render the concrete more water tight To improve the workability of concrete mix To decrease the initial setting time of cement paste in concrete To increase the initial setting time of cement paste in concrete To render the concrete more water tight To improve the workability of concrete mix To decrease the initial setting time of cement paste in concrete ANSWER DOWNLOAD EXAMIANS APP
Building Materials Geologically, marble is known as Metamorphic rock Igneous rock Stratified rock Sedimentary rock Metamorphic rock Igneous rock Stratified rock Sedimentary rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following cements is suitable for use in massive concrete structures such as large dams? Sulphate resisting cement Rapid hardening cement Ordinary Portland cement Low heat cement Sulphate resisting cement Rapid hardening cement Ordinary Portland cement Low heat cement ANSWER DOWNLOAD EXAMIANS APP
Building Materials The base material for distemper, is Lime Chalk Cement wash Lime putty Lime Chalk Cement wash Lime putty ANSWER DOWNLOAD EXAMIANS APP
Building Materials Good quality stones must Be durable Resist action of acids All of these Be free from clay Be durable Resist action of acids All of these Be free from clay ANSWER DOWNLOAD EXAMIANS APP
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