Which of the following materials is used in the manufacture of resistance grids to be used in the starters of large motors?
ASteel
BCast-iron
CCopper
DAluminium
Correct answer
B. Cast-iron
Explanation
The correct answer is Cast-iron.
Which of the following materials is used in the manufacture of resistance grids to be used in the starters of large motors? - Answer and Explanation | Academy of Pakistan