Engineering Materials Preheating is essential in welding All of these Cast iron All nonferrous materials High speed steel All of these Cast iron All nonferrous materials High speed steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Perminvar alloy having constant permeability is an alloy of Nickel, copper and iron Copper, nickel and antimony Iron, zinc and bismuth Nickel, copper and zinc Nickel, copper and iron Copper, nickel and antimony Iron, zinc and bismuth Nickel, copper and zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of 770 to 910°C Below 723°C 1400 to 1539°C 910 to 1440°C 770 to 910°C Below 723°C 1400 to 1539°C 910 to 1440°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The aluminium alloy, mainly used, for anodized utensil manufacture, is Y-alloy Hindalium Magnalium Duralumin Y-alloy Hindalium Magnalium Duralumin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing 1.7 to 4.3% carbon are known as Hypoeutectic cast irons Hypereutectic cast irons None of these Eutectic cast irons Hypoeutectic cast irons Hypereutectic cast irons None of these Eutectic cast irons ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cold rolled steel sheets contain carbon of the following order 0.002 0.006 0.004 0.001 0.002 0.006 0.004 0.001 ANSWER DOWNLOAD EXAMIANS APP
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