#1 Marine Education Site
1.0 Fuel and Lubricants 1. Draw a line diagram of a simple distillation process indicating the points at which kerosene, gas oil, residual fuel, heavy gas oil and lubricating oil are fractioned off. (10) 2. (a) What are the reasons for the deterioration in the quality of fuel supplied for use in marine diesel engines.(2) …
Dear Juniors, Assalamualaikum and good day. DG shipping Bangladesh has posted the question bank for the CoC exams of marine engineers in the DOS portal. You can get their published question bank for all subjects by clicking the below link: https://dos.portal.gov.bd/site/page/cacc8319-9bfa-4e30-8839-9bc493b2aaaf
1.0 FUEL INJECTION SYSTEM 1.Draw onboard Fuel Oil system using mixing column of a large Two-Stroke Engine indicating all parts clearly. (10) 2.For perfect combustion in the engine, describe the importance of ( 2.5 X 4) (a) Viscosity, (b) Atomization (c) Penetration and (d) Turbulence. 3.Define Ignition Delay? Describe the effect of the Ignition …
MARPOL Regulations of Discharging Machinery Bilge into the sea: The rules and Regulations that govern the operation of an Oily Water Separator are under MARPOL Annex I: “Prevention of pollution by oil”. Regulation 14: Oil Filtering Equipment Vessels above 400 GT and less than 1000 GT shall have an oil filtering equipment Approved by the Administration …