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How would you remove an air bubble from the liquid magnetic compass? Answer: Invert the compass bowl in the gimbal arrangement to bring the expansion chamber uppermost. Undo the screw cap of the chamber and top up the fluid in the bowl with distilled water. Thisaction will fill the bowl, forcing out the air bubble….
Following receipt of a distress message your vessel is requisitioned to assist. You acknowledge the call and proceed towards the distress area. What navigational procedures would you employ to ensure your own ship’s safety while at the same time effectively moving to relieve the distress situation? Answer: With any distress situation I would anticipate that…
What is Aspect? Aspect of a target vessel is the relative bearing of the Own vessel from the Targetvessel. OR The angle between target vessel’s course and the theoretical line of sight.It is expressed as RED or GREEN In a WOA Triangle that we make for radar plotting WO is Way Own Own Ship’s Course…
A. Which stars will be within a certain hour angle of the observer’s meridian at a given time? 1. Find out the SHA of an imaginary star which is on the observer’s meridian. The SHA of a star onobserver’s meridian can be obtained by keeping LHA Star= 0° or 360° .2. Add and subtract the…
Deck Preparations The Master shall ensure that the following measures have been taken to prevent damage to Vessel, Machinery, Pipelines and Equipment prior entry into areas with Freezing Conditions. 1) Freeze prevention for Pipe lines and Valves / Systems related 2) Draining Fresh and Sea water Pipe lines, Valves, etc 3) Fire line, deck wash…
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Maximum outturn of a crude oil cargo at the discharge port can only be achieved by the correct implementation of a properly prepared crude oil washing (COW), plan. Each tanker which is fitted with a COW system must also have: 1.A crude oil washing operations and equipment manual and2.Personnel appropriately trained to assume overall charge…