Materials and Construction Constantan used in thermocouples is an alloy of Copper & aluminium None of these Lead & tin Iron & copper Copper & aluminium None of these Lead & tin Iron & copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction When iron is rusted, it is Oxidised None of these Reduced Converted to a fine powder Oxidised None of these Reduced Converted to a fine powder ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Generally __________ are subjected to galvanising (i.e., zinc coating). Non-ferrous metals Low carbon steels Stainless steel Non-metals Non-ferrous metals Low carbon steels Stainless steel Non-metals ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following would not be a suitable material of construction for handling aqueous hydrofluoric acid (HF) at 100°C ? Graphite Monel Stainless steel Kel-F and teflon Graphite Monel Stainless steel Kel-F and teflon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Rotary driers are generally made of Tin lined with refractory bricks High silicon iron (14% Si) Cast iron Mild steel Tin lined with refractory bricks High silicon iron (14% Si) Cast iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron has Elastic limit close to ultimate breaking strength Very high tensile strenth High ductility High malleability Elastic limit close to ultimate breaking strength Very high tensile strenth High ductility High malleability ANSWER DOWNLOAD EXAMIANS APP