Building Materials The basic purpose of a retarder in concrete is To decrease the initial setting time of cement paste in concrete To render the concrete more water tight To improve the workability of concrete mix To increase the initial setting time of cement paste in concrete To decrease the initial setting time of cement paste in concrete To render the concrete more water tight To improve the workability of concrete mix To increase the initial setting time of cement paste in concrete ANSWER DOWNLOAD EXAMIANS APP
Building Materials The method of addition polymerization is used for obtaining: Polyvinylchloride All of these Polypropylene Polystyrene Polyvinylchloride All of these Polypropylene Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Building Materials Gypsum consists of CaSO4 and H₂O CO₂ and calcium H₂S and CO₂ Lime and H₂O CaSO4 and H₂O CO₂ and calcium H₂S and CO₂ Lime and H₂O ANSWER DOWNLOAD EXAMIANS APP
Building Materials The foliated structure is very common in Metamorphic rocks Igneous rocks Sedimentary rocks None of these Metamorphic rocks Igneous rocks Sedimentary rocks None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Oil varnish generally consists of Synthetic resin and spirit Resin, oil and turpentine Oil, wax and resin Spirit, oil and wax Synthetic resin and spirit Resin, oil and turpentine Oil, wax and resin Spirit, oil and wax ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most durable varnish is Spirit varnish Water varnish Turpentine varnish Oil varnish Spirit varnish Water varnish Turpentine varnish Oil varnish ANSWER DOWNLOAD EXAMIANS APP
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