Engineering Materials The portion of the blast furnace below its widest cross-section is called Hearth Bosh Throat Stack Hearth Bosh Throat Stack ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 770°C 910°C Below recrystallization temperature 1050°C 770°C 910°C Below recrystallization temperature 1050°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free carbon in iron makes the metal Soft and gives a coarse grained crystalline structure Hard and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives a fine grained crystalline structure Soft and gives a coarse grained crystalline structure Hard and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives a fine grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following display properties similar to that of steel? Both (A) and (B) Whiteheart cast iron None of these Blackheart cast iron Both (A) and (B) Whiteheart cast iron None of these Blackheart cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will Remain same Decrease First increase and then decrease Increase Remain same Decrease First increase and then decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements? Nichrome Phosphor bronze Babbitt metal Monel metal Nichrome Phosphor bronze Babbitt metal Monel metal ANSWER DOWNLOAD EXAMIANS APP
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