Building Materials The basic purpose of a retarder in concrete is 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 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 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick lime All listed here Generates heat when added to water May be used for white-washing Reacts with carbon dioxide All listed here Generates heat when added to water May be used for white-washing Reacts with carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Building Materials For slaking of 10 kg of CaO, the theoretical amount of water is None of these 3.2 kg 1.5 kg 2.2 kg None of these 3.2 kg 1.5 kg 2.2 kg ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the synthetic resin from the following: Phenolic resin Resorcinol resin Urea resin All of these Phenolic resin Resorcinol resin Urea resin All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Crushing strength of a first class brick should not be less than 10.5 N/mm² 3.5 N/mm² 14.0 N/mm² 7.0 N/mm² 10.5 N/mm² 3.5 N/mm² 14.0 N/mm² 7.0 N/mm² ANSWER DOWNLOAD EXAMIANS APP
Building Materials Oil varnish generally consists of Spirit, oil and wax Oil, wax and resin Resin, oil and turpentine Synthetic resin and spirit Spirit, oil and wax Oil, wax and resin Resin, oil and turpentine Synthetic resin and spirit ANSWER DOWNLOAD EXAMIANS APP
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