Materials and Construction The temperature at which new grains are formed in the metal is called the __________ temperature. Recrystallisation Upper critical Lower critical Eutectic Recrystallisation Upper critical Lower critical Eutectic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion involves exchange of electrons in __________ corrosion. Electrochemical Neither A nor B Both A & B Chemical Electrochemical Neither A nor B Both A & B Chemical ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the poorest wel-dability? Mild steel Low carbon steel High-carbon steel Wrought iron Mild steel Low carbon steel High-carbon steel Wrought iron 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 ? Kel-F and teflon Graphite Monel Stainless steel Kel-F and teflon Graphite Monel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermoplastic resins are those polymers, which Easily deform under pressure at high temperature Has decreased plasticity at increasing temperature None of these Can not be moulded Easily deform under pressure at high temperature Has decreased plasticity at increasing temperature None of these Can not be moulded ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Water gas generator is made of High carbon steel-procelain lined Stainless steel-lead lined Carbon steel-brick lined Cast iron High carbon steel-procelain lined Stainless steel-lead lined Carbon steel-brick lined Cast iron ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS