Written papers

Q. How do the provisions of 2010 amendments to STCW Convention intend to improve the technical and interpersonal competence of seafarers? Answer:- 1. Change of competency tables: a. Need for deck officers to be competent in use...

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...

Q Explain Reefer system on the ships. Main Components of the Refrigeration plants Any refrigeration system works with different components inline to each other in the series. The main components are: Compressor: Reciprocating single or two stage...

Q. An Indian flag vessel has grounded off the coast of India, & owners have abandoned the property. In compliance with the provision under the Merchant Shipping Act, what steps should be initiated &...

MARINE FUEL CONTAMINANTS Water Water, especially salt water, is objectionable in diesel fuel as it may cause injector and piston groove deposits and corrode engine components.Before burning the Fuel or blends are centrifuge to remove water...

Q. What are the ongoing developments at the IMO with respect to the technical and operational measures to be involved onboard ships for combining green house gas emissions from ships? Answer:- Mandatory measures to reduce the...

Q The direct on line start of squirrel cage motor is used for most electrical drives on A.C powered ships. Describe with sketches as necessary one method of overcoming each of the following Problems: a) High...

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...

Q. Develop a training program for activities in a vessel, where you have recently joined as CE highlighting the specific needs for engine room personnel in case of: A. Use of life saving appliances B. Fire...

(a) Explain about BJT (Bipolar Junction Transistor),Uni-junction transistor. (b) Describe about NPN and PNP transistor with sketch. (c) Describe about Thyristor,GTO(gate turn off thyristor) (d) Describe about MOSFET operation, Snubber circuit. (a) BJT (Bipolar Junction Transistor) Three terminal device,...