Question

the angle grinder disc is turned at speeds that range from 3,000 to ____ rpm.

a. 6,000
b. 8,000
c. 12,000
d. 20,000

Explanation:

Typically, angle - grinder discs can have speeds ranging from 3,000 to 12,000 rpm. This is common knowledge in the context of engineering (a sub - field of Natural Science dealing with machinery and tools).

Answer:

C. 12,000