Materials and Construction Which of the following is the easiest to bend? Steel Cast iron Stainless steel Wrought iron Steel Cast iron Stainless steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Plastics are Not suitable for drainage pipe manufacture Used in very high temperature applications All of these Non-biodegradable Not suitable for drainage pipe manufacture Used in very high temperature applications All of these Non-biodegradable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction As the impurities are oxidised, the melting point of iron Remains unchanged Increases May increase or decrease ; unpredictable Decreases Remains unchanged Increases May increase or decrease ; unpredictable Decreases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silicon percentage in acid resistant cast iron is about 20 4 14 8 20 4 14 8 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Aluminium, mild steel, stainless steel, concrete & tin Glass, graphite, porcelain & stoneware Copper, cast iron & high silicon iron (14% Si) Rubber (butyl and hard), silicone rubber & teflon Aluminium, mild steel, stainless steel, concrete & tin Glass, graphite, porcelain & stoneware Copper, cast iron & high silicon iron (14% Si) Rubber (butyl and hard), silicone rubber & teflon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The loss of strength in compression which occurs, when there is a gain of strength in tension due to over loading is called Relaxation Bauschinger effect Hooke's effect Hysterisis Relaxation Bauschinger effect Hooke's effect Hysterisis ANSWER DOWNLOAD EXAMIANS APP