Building Materials The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively: 75, 10, 15 15, 75, 10 10, 15, 75 10, 75, 15 75, 10, 15 15, 75, 10 10, 15, 75 10, 75, 15 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Spirit varnish generally consists of Oil, wax and resin Spirit and shellac Alcohol, wax and turpentine Pigment and synthetic resin Oil, wax and resin Spirit and shellac Alcohol, wax and turpentine Pigment and synthetic resin ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sewer pipes are made of Refractory clay Earthen ware Stone ware All listed here Refractory clay Earthen ware Stone ware All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which one of the following is an air binding material? Quick lime Gypsum All of these Acid-resistant cement Quick lime Gypsum All of these Acid-resistant cement ANSWER DOWNLOAD EXAMIANS APP
Building Materials For a good building stone, its specific gravity should the greater than 2.5 3.7 2.3 2.7 2.5 3.7 2.3 2.7 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Geologically, marble is known as Stratified rock Sedimentary rock Metamorphic rock Igneous rock Stratified rock Sedimentary rock Metamorphic rock Igneous rock ANSWER DOWNLOAD EXAMIANS APP