All the following elements except _____ are used in the spark plug center electrode to increase plug life.
A)platinum
B)iridium
C)yttrium
D)cesium

Name: All the following elements except _____ are used in the spark plug center electrode to increase plug life. A)platinum B)iridium C)yttrium D)cesium
Brand: Quizplus
Rating: 4.8 (33 reviews)

Question

Quizplus · Accepted Answer

Cesium is not used in spark plug center electrodes. Platinum, iridium, and yttrium are commonly used due to their high melting points and durability, which increase the lifespan of the spark plug.

All the Following Elements Except _____ Are Used in the Spark