Engineering Materials Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio 40 : 30 : 20 : 10 50 : 20 : 20 : 10 50 : 20 : 10 : 20 30 : 20 : 30 : 20 40 : 30 : 20 : 10 50 : 20 : 20 : 10 50 : 20 : 10 : 20 30 : 20 : 30 : 20 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Malleability of a material can be defined as Ability to recover its original form Ability to undergo large permanent deformations in tension All of these Ability to undergo large permanent deformations in compression Ability to recover its original form Ability to undergo large permanent deformations in tension All of these Ability to undergo large permanent deformations in compression ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is used for bearing liner? Gun metal Bell metal Babbitt metal Bronze Gun metal Bell metal Babbitt metal Bronze ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten when added to steel __________ the critical temperature. Raises Lowers Does not effect None of these Raises Lowers Does not effect None of these 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 Delta iron occurs at temperature of Room temperature Between 910°C and 1400°C Above melting point Between 1400°C and 1539°C Room temperature Between 910°C and 1400°C Above melting point Between 1400°C and 1539°C ANSWER DOWNLOAD EXAMIANS APP
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