DieselShip's Online Content Library

Q5. Give a list of the properties or tests by which distillate and blended fuels may be specified or decisions be made on their fitness for use. Name the properties or constituents that may be found in a blended fuel having a high viscosity and high carbon content. Explain how they may cause problems in engine operation

Q2. A. Outline the possible events leading to an explosion in the crankcase of a diesel engine; B. Describe, with the aid of a sketch, the operation of a mist detector. C. State how overheating might be indicated other than by a mist detector; D. Explain how the severity of a crankcase explosion is limited; E. State the standing orders you as Chief Engineer would issue in the event of the mist detector alarm actuating.

Q3. A. State how a cylinder liner is checked for wear?   How these measurements are recorded? B. What types of wear takes place in a cylinder liner?  Where does the maximum wear take place& why?

Q8. A. Sketch the profiles of ahead and astern cams for a main engine fuel injector; B. Show, using a simple sketch, how the cams are mounted on the shaft?

Q3. As second engineer you have been requested to obtain a set of indicator card from the large slow speed engine of a recently purchased second hand ship.

A. Describe your initial checks and preparations;

B. State with reason the types of card you would consider necessary and explain the procedure for obtaining these;

C. State in order of importance the additional information required with the card;

D. State your procedure for analysis of the cards and obtaining cylinder powers.

Q6. W.R.T. Turbo Charging system of an engine State the parameter that you would check while taking over watch; Give specimen figures for the above from the lasts motor ship on which you have severed ; Action to be taken in the event of TC vibrating abnormally

Q2. Sketch and describe a fuel injector for a diesel engine; State four parameter that indicate fuel injectors require immediate overhaul.

Q8. Describe the process of replacing the cylinder liner in an auxiliary engine. How is water tightness ensured and what precautions are taken before commissioning the engine?

Q9. What are the causes for engine-room fires and what action can be taken by the watch keeper when a vessel is in port Both before commencing a voyage and following ‘finished with engines’), to minimize their occurrence? Describe with the aid of sketches, any devices provided to limit the spread of such fire.