Which of the following paint is highly resistant to fire? Mark as favorite Copy Link enamel pain Aluminium paint Asbestos paint Cement paint Check Answer
Enamel paint is made by adding? Mark as favorite Copy Link white lead in lacquer white lead in varnish bitumen in varnish zinc white in spirit A Check Answer
Gneiss is chemically classified as? Mark as favorite Copy Link calcareous rock silicious rock argillaceous rock none of these Check Answer
In order to dry the quarry sap of a freshly quarried stone, it should be exposed to open air for period of? Mark as favorite Copy Link four months one month two years six to twelve months Check Answer
The constituent in lime which retard the slaking action and increase the rapidity of setting,? Mark as favorite Copy Link silica sulphate alumina alkalies Check Answer
A first class brick should not absorb water more than…………….. of its own dry weight after 24 hours immersion in cold water? Mark as favorite Copy Link 5% 10% 15% 20% Check Answer
The most powerful explosive used in blasting is? Mark as favorite Copy Link dynamite cordite blasting power gun cotton Check Answer
For R.C.C. construction, the maximum size of coarse aggregate is limited to? Mark as favorite Copy Link 25 mm 20 mm 10 mm 15 mm Check Answer
The indentation marks left on bricks during the process of moulding, are known as? Mark as favorite Copy Link marks projections frogs fillets Check Answer
The bricks after burning in kilns require about …………. days? Mark as favorite Copy Link 10 4 12 8 Check Answer