The air pressure can be countered by putting ______ in the head-disc surface arrangement.
A. Air filter
B. Spring mechanism
C. coolant
D. None of the above
Answer:A
The air pressure can be countered by putting ______ in the head-disc surface arrangement.
A. Air filter B. Spring mechanism C. coolant D. None of the above
Explanation: <numeric> The spring mechanism pushes the head along the surface to reduce the air pressure effect.