Marina Exam Reviewer: Upon stranding, the engines should be stopped. It should be put astern if the tide is falling to see if the engines will immediately re-float. However, under no circumstances will be engines be put astern for a long period. Why?

Marina Exam Reviewer

Upon stranding, the engines should be stopped. It should be put astern if the tide is falling to see if the engines will immediately re-float. However, under no circumstances will be engines be put astern for a long period. Why? 

A. it may damage the rudder 
B. it may stir up sands that may block condensers 
C. it may make tremendous vibrations 
D. it may damage the propeller



Answer:      B. it may stir up sands that may block condensers 

More questions below, feel free to browse.