Building Materials The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively: 10, 15, 75 75, 10, 15 15, 75, 10 10, 75, 15 10, 15, 75 75, 10, 15 15, 75, 10 10, 75, 15 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Ultimate strength to cement is provided by Tri-calcium aluminate Tri-calcium silicate Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium aluminate Tri-calcium silicate Tetra calcium alumino ferrite Di-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plywood is made from Bamboo fibre Asbestos sheets Teak wood only Common timber Bamboo fibre Asbestos sheets Teak wood only Common timber ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sea sand used in structures causes All of these Efflorescence Dampness Disintegration All of these Efflorescence Dampness Disintegration ANSWER DOWNLOAD EXAMIANS APP
Building Materials A ferrous metal is All of these Wrought iron Steel Cast iron All of these Wrought iron Steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials Inner part of a timber log surrounding the pitch, is called Cambium layer Heart wood Sapwood None to these Cambium layer Heart wood Sapwood None to these ANSWER DOWNLOAD EXAMIANS APP
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