Engineering Materials
In the lower part of the blast furnace (zone of fusion), the temperature is

400° to 700°C
1500°C to 1700°C
800°C to 1000°C
1200°C to 1300°C

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Inconel contains

65% nickel, 15% chromium and 20% iron
68% nickel, 29% copper and 3% other constituents
80% nickel and 20% chromium
80% nickel, 14% chromium and 6% iron

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Malleable cast iron

Is produced by annealing process. It is soft, tough, and easily machined metal
Is produced by small additions of magnesium (or cerium) in the ladle. Graphite is in the nodular or spheroidal form and is well dispersed throughout the material
Is also known as chilled cast iron and is obtained by cooling rapidly. It is almost unmachinable
Contains 1.7 to 3.5% carbon in Free State and is obtained by the slow cooling of molten cast iron

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Engineering Materials