Engineering Materials
Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements?

Phosphor bronze
Babbitt metal
Monel metal
Nichrome

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Points of arrest for iron correspond to

Stages at which properties do not change with increase in temperature
There is nothing like points of arrest
Stages at which further heating does not increase temperature for some time
Stages at which allotropic forms change

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Combined carbon in iron makes the metal

Hard and gives a coarse grained crystalline structure
Hard and gives a fine grained crystalline structure
Soft and gives coarse grained crystalline structure
Soft and gives a fine grained crystalline structure

ANSWER DOWNLOAD EXAMIANS APP