Engineering Materials Preheating is essential in welding Cast iron High speed steel All of these All nonferrous materials Cast iron High speed steel All of these All nonferrous materials ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In mottled cast iron, carbon is available in Nodular form Free form Partly in free and partly in combined state Combined form Nodular form Free form Partly in free and partly in combined state Combined form ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is Hastelloy Invar Silver metal Duralumin Hastelloy Invar Silver metal Duralumin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The brown smoke during the operation of a Bessemer converter indicates that the The brown smoke does not occur during the operation of a Bessemer converter Silicon and manganese has burnt and carbon has started oxidizing The converter must be titled to remove the contents of the converter Air is burning out silicon and manganese The brown smoke does not occur during the operation of a Bessemer converter Silicon and manganese has burnt and carbon has started oxidizing The converter must be titled to remove the contents of the converter Air is burning out silicon and manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corundum contains more than 95% SiO2 MgO Steel Al2O3 SiO2 MgO Steel Al2O3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness and tensile strength in austenitic stainless steel can be increased by Full annealing Hardening and cold working Normalizing Martempering Full annealing Hardening and cold working Normalizing Martempering ANSWER DOWNLOAD EXAMIANS APP