Engineering Materials The charge of the blast furnace consists of Calcined ore (4 parts), coke (1 part) and limestone (8 parts) Calcined ore (8 parts), coke (4 parts) and limestone (1 part) Calcined ore, coke and limestone all in equal parts Calcined ore (1 part), coke (8 parts) and limestone (4 parts) Calcined ore (4 parts), coke (1 part) and limestone (8 parts) Calcined ore (8 parts), coke (4 parts) and limestone (1 part) Calcined ore, coke and limestone all in equal parts Calcined ore (1 part), coke (8 parts) and limestone (4 parts) ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cementite consist of 13% cementite and 87% ferrite 13% carbon and 87% ferrite 6.67% carbon and 93.33% iron 13% ferrite and 87% cementite 13% cementite and 87% ferrite 13% carbon and 87% ferrite 6.67% carbon and 93.33% iron 13% ferrite and 87% cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The usual composition of a soldering alloy is Tin, lead and small percentage of antimony Tin, lead and silver Tin and lead Tin and copper Tin, lead and small percentage of antimony Tin, lead and silver Tin and lead Tin and copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is 0.35 to 0.45% 0.6 to 0.8% 0.4 to 0.6% 0.0004 0.35 to 0.45% 0.6 to 0.8% 0.4 to 0.6% 0.0004 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in steel Lowers the toughness and transverse ductility Decreases tensile strength and hardness Reduces the grain size Acts as deoxidiser Lowers the toughness and transverse ductility Decreases tensile strength and hardness Reduces the grain size Acts as deoxidiser ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical point for all steels is 700°C 600°C 723°C 913°C 700°C 600°C 723°C 913°C ANSWER DOWNLOAD EXAMIANS APP
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