Building Materials The minimum compressive strength of 1st class bricks should be 75 kg/cm² 75 kg/cm² 100 kg/cm² 120 kg/cm² 75 kg/cm² 75 kg/cm² 100 kg/cm² 120 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Building Materials The preparation of surface of stone to obtain plain edges or to obtain stones of required size and shape is known as Dressing of stones Blasting of stones Seasoning of stones Quarrying of stones Dressing of stones Blasting of stones Seasoning of stones Quarrying of stones ANSWER DOWNLOAD EXAMIANS APP
Building Materials The fire clay contains pure Magnesium Lime Oxide of iron Hydrated aluminium silicate Magnesium Lime Oxide of iron Hydrated aluminium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which one of the following is an air binding material? Acid-resistant cement Quick lime Gypsum All of these Acid-resistant cement Quick lime Gypsum All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The commonly used color pigment in paints, is Iron oxide All listed here Carbon black Ambers Iron oxide All listed here Carbon black Ambers ANSWER DOWNLOAD EXAMIANS APP
Building Materials If the iron ore contains clay as an impurity, the flux added during calcination, is All listed here Argillaceous iron ore Lime stone Clay All listed here Argillaceous iron ore Lime stone Clay ANSWER DOWNLOAD EXAMIANS APP
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