Building Materials The age of a tree can be known by examining Cambium layer Medullary rays Heart wood Annular rings Cambium layer Medullary rays Heart wood Annular rings ANSWER DOWNLOAD EXAMIANS APP
Building Materials The ratio of the thickness of web to that of flange of steel rolled structural beams and channels is Less than 1 in beams but greater than 1 in channels Equal to 1 Less than 1 Greater than 1 Less than 1 in beams but greater than 1 in channels Equal to 1 Less than 1 Greater than 1 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as White or forge pig Mottled pig Bessemer pig Grey or foundry pig White or forge pig Mottled pig Bessemer pig Grey or foundry pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than 15 % 20 % 10 % 25 % 15 % 20 % 10 % 25 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Study the following statements.(i) Hydraulic lime is suitable for white washing,(ii) Fat lime is suitable for whitewashing,(iii) Hydraulic lime is suitable for making mortar,(iv) Fat lime is suitable for making mortar. (iii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (iii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Fibre glass Has a higher strength to weight ratio All listed here Is shock proof and fire retardant Retains heat-longer Has a higher strength to weight ratio All listed here Is shock proof and fire retardant Retains heat-longer ANSWER DOWNLOAD EXAMIANS APP