McqMate
Q. |
Which of these materials is not used for resistance coils? |
A. | nickel |
B. | copper |
C. | titanium |
D. | platinum |
Answer» C. titanium | |
Explanation: resistance coils are generally made of nickel, copper, or platinum. nickel and copper can be used in the temperature range of 150-500 f, whereas platinum can be used between -350 to 1100 f. |
View all MCQs in
Engineering PhysicsNo comments yet