A. Why is it important in a tender ship to keep the double bottom tanks pressed up? B. The fuel consumption of a ship at 17 knots is 47 tonne/day. The speed is reduced and the consumption is reduced to 22 tonne/day. At the lower speed, however, the consumption per unit power is 13.2% greater than at 17 knots. Find the reduced speed and the percentage saving on a voyage of 3000 nautical miles.

Comments

Post a Comment

Popular posts from this blog

EM MEO Class 1 Written Question (JAN 2023)

EXAMINATION OF MARINE ENGINEER OFFICER ENGINEERING MANAGEMENT M.E.O CLASS – I TIME - 3 HOURS  Total Marks – 100 Q1. Improvements in Rudder efficiency can considerably contribute to improving propulsion   effectiveness. Discuss common rudder-efficiency improvements devices/ techniques currently in use,   referring to the following: (a) Rudder Thrust Fins (b) Asymmetric Rudders (c) Rudder Bulbs (d) Grim Vane Wheels Q2 . a) Briefly discuss Anti fouling convention and state all Documents and records to be maintained on a ship to demonstrate Anti fouling convention compliance. c) Discuss various alternatives to tin-based antifouling paints, with specific reference to the following   types: - (i) Controlled Depletion Polymer (CDP) paint; (ii) Self-Polishing Copolymer (SPC) paint; (Ill) Hybrid TBT free paint ; (iv) Fouling Release paint. Q3 . State the different types of marine insurance policies that could be taken by owners, shippers or   other related parties....
Read more