A. closed
B. open
C. depends on starting condition and flow desired
D. could be either open or closed
E. partly open and partly closed
Correct Answer: open ✔
Last Updated: January 24, 2019
A. closed
B. open
C. depends on starting condition and flow desired
D. could be either open or closed
E. partly open and partly closed
Correct Answer: open ✔
Last Updated: January 24, 2019