Engineering Materials The percentage of carbon in grey iron castings usually varies between 5 to 7% 2.5 to 4.5% 0.012 0.5 to 1% 5 to 7% 2.5 to 4.5% 0.012 0.5 to 1% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Inconel contains 68% nickel, 29% copper and 3% other constituents 80% nickel and 20% chromium 65% nickel, 15% chromium and 20% iron 80% nickel, 14% chromium and 6% iron 68% nickel, 29% copper and 3% other constituents 80% nickel and 20% chromium 65% nickel, 15% chromium and 20% iron 80% nickel, 14% chromium and 6% iron ANSWER DOWNLOAD EXAMIANS APP
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 : 10 : 20 50 : 20 : 20 : 10 30 : 20 : 30 : 20 40 : 30 : 20 : 10 50 : 20 : 10 : 20 50 : 20 : 20 : 10 30 : 20 : 30 : 20 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ductility of a material can be defined as Ability to undergo large permanent deformations in compression Ability to undergo large permanent deformations in tension Ability to recover its original form All of these Ability to undergo large permanent deformations in compression Ability to undergo large permanent deformations in tension Ability to recover its original form All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Nitriding of surface Cold working Shot peening Surface decarburisation Nitriding of surface Cold working Shot peening Surface decarburisation ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials German silver contains 5% silver 1% silver 2% silver No silver 5% silver 1% silver 2% silver No silver ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS