EXHAUST VALVE

0
Before mark v engine i.e. before 1991 man engines had throttle valves which works to dampen the exhaust valve closing also the thermal expansion of oil is taken care of this valve. Throttle valve is...

EXHAUST GAS CLEANING SYSTEM (EGCS) REQUIREMENTS

0
1. REGULATORY REQUIREMENTS 1.1. From 1 January 2020, the limit for Sulphur in fuel oil used on board ships operating outside designated emission control areas (ECA) will be reduced from 3.5% to 0.50% m/m (mass...

INTACT STABILITY CODE

0
IMO has developed intact stability standards for various types of ships, leading to the completion of the Code on the Intact Stability for All Types of Ships Covered by IMO Instruments intact stability(IS Code)...

DRY DOCK

0
All ships should under go drydock twice in 5 years, and time difference between two continues drydock cannot be more than 36 months.This comprise maintenance of the hull, propeller, rudder and other parts which...

TECHNICAL QUESTIONS & ANSWERS PART-14

0
Q. Referring to the latest IMO “ Code on Noise Level onboard Ships”, define and explain the following terms:- A). A- weighted equivalent sound level B). C-weighted equivalent sound level C). Sound pressure levels D). Weighted sound reduction...

TECHNICAL QUESTIONS & ANSWERS PART-13

0
Q. Why is dry-docking referred to as a major event in the maintenance of a ship? As a chief engineer describe different steps that need consideration while planning a dry docking project of a...

TECHNICAL QUESTIONS & ANSWERS PART-12

0
Q. Explain latest developments in Marine “Tribology”. Explain the inferences you may draw from a main engine lub oil analysis report with the proposed corrective action in each case. Answer:- Tribology is the science & engineering...

TECHNICAL QUESTIONS & ANSWERS PART-11

0
Q. For onboard noise measurement as per IMO code of Noise Level onboard Ships, Explain the requirements regarding:- A. Measuring conditions B. Measuring equipment C. Measurement procedures Answer:- A. MEASURING CONDITIONS Operating conditions at sea trials a. Measurements should be taken...

TECHNICAL QUESTIONS & ANSWERS PART-10

0
Q. Referring to the latest developments in Turbocharger application in marine diesel engines, write short notes on the following :- a. Power turbine generators. b. Hybrid turbochargers. c. Electro-assist turbochargers. Answer:- The extreme slow steaming of ships has become...

TECHNICAL QUESTIONS & ANSWERS PART-9

0
Q. Explain the following modern terms related to turbocharging: A. Pulse converter system B. Sequential turbo charging C. Two stage turbocharging D. Variable geometry turbochargers Answer:- A. PULSE CONVERTER SYSTEM:- Pulse charging system due to long interval of the air inlet...

Block title

- Advertisement -

Recent Posts