A. a gradual increase in neutral pressure and a gradual decrease in effective pressure takes place and sum of the two is constant
B. a gradual decrease in neutral pressure and a gradual increase in effective pressure takes place and sum of the two is constant
C. both neutral pressure and effective pressure decrease
D. both neutral pressure and effective pressure increase
Correct Answer: a gradual decrease in neutral pressure and a gradual increase in effective pressure takes place and sum of the two is constant ✔
Last Updated: January 13, 2019