Engineering Materials Perminvar alloy having constant permeability is an alloy of Nickel, copper and zinc Nickel, copper and iron Iron, zinc and bismuth Copper, nickel and antimony Nickel, copper and zinc Nickel, copper and iron Iron, zinc and bismuth Copper, nickel and antimony ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hematite iron ore contains iron about 0.3 0.45 0.55 0.7 0.3 0.45 0.55 0.7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In the lower part of the blast furnace (zone of fusion), the temperature is 1200°C to 1300°C 800°C to 1000°C 1500°C to 1700°C 400° to 700°C 1200°C to 1300°C 800°C to 1000°C 1500°C to 1700°C 400° to 700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gamma-iron occurs between the temperature ranges of 400°C to 600°C 900°C to 1400°C 600°C to 900°C 1400°C to 1530°C 400°C to 600°C 900°C to 1400°C 600°C to 900°C 1400°C to 1530°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta iron occurs at temperature of Above melting point Room temperature Between 1400°C and 1539°C Between 910°C and 1400°C Above melting point Room temperature Between 1400°C and 1539°C Between 910°C and 1400°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Acidic solution is one which has pH value Greater than 7 Equal to 7 pH value has nothing to do with neutral solution Less than 7 Greater than 7 Equal to 7 pH value has nothing to do with neutral solution Less than 7 ANSWER DOWNLOAD EXAMIANS APP
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