2 decades agoComment at
What is phasing and ranging wrt echo sounder Phasing:
Phasing is a method used in echo sounder to determine depth of the sea bottom. In this method the speed of the stylus is kept constant and the range scale is changed from 0-100 mtrs , ...
2 decades agoComment at
What is raster charts , vectors charts , which is better and why Vector charts are more advantageous than raster chart because vector chart enables user to select many alarms, such as depth alarms, various modes such as head up and north up, Zooming facility, ...
2 decades agoComment at
What is squat ? how will you reduce effect of squat ? The Change in ships trim when being at motion or being stationary is called squat. The Squat is mainly experienced over in shallow waters it increases with square of the speed of the ship in ...
2 decades agoComment at
What is wig craft , what is surface effect action Principle
A wing generates lift, in part, due to the difference in air pressure gradients on the wing surfaces: both upper and lower. During normal flight, the upper wing surface experiences ...
