Question Sr 8 2009, Sr 1 2009, Sr 11, 10, 4 2008.
Explain with Reason for
Engine failing to start on air
Engine Start On Air, But Refuse To Pick Up Firing.
Question Sr 8 2009, Sr 9, 8 6 2007,
Deseribe with suitable sketch how lube oil is supplied to top end bottom end and main
List the causes leading to sudden loss of lubricating oil pressure in the engine.
Question Sr 8 2009, Sr 8 2007,
Define the following terms and state their importance as related to lubrication of main,
(c) Oxidation stability
(d) Total acid number (TAN)
Question Sr 8 2009, Sr 9, 8 2007,
List the properties required and name the material used for the manufacture of the
Exhaust valve, Cylinder liner, Fuel pump body, Piston crown
Question Sr 8 2009, Sr 8 2006 SEPT
When Adjusting bearing Clearance why is it important that the total thickness of shims
tor bearing adjustment is kept same on both sides
Question Sr 8 2009,
Sketch and describe a main engine turbocharger
State the parameter that you would check while taking over watch
Question Sr 6 2009, Sr 11 2005
With reference to a 2 stroke slow speed main propulsIon engine air starting system
State, with reasons, Three safety features incorporated in an air starting system.
State with reason why an engine may fail to turnover on air
Explain how the cause of an engine failimg to turn over on air may be determined.
Done see march 2010.
Question March 2010. Sr 6 2009
Make a diagrammatic sketch ofa jacket cooling water system as applied to a group off
medium spced auxiliary diesel engine.
Indicate the temperature and pressure in the system.
Describe in particular the low of water from entry to the engine to the outlet from the
cngine and sketch the more important jonts n the system
Donc Sce March 2010
Question Sr 6 2009,
Sclcet the correct statcment and cxplain:
“Wiping” of a bearing may occur due to
(a) Inadequate oil supply
(b) High lube oil pressurc
(C) Prescnce of excessive moisture in the oil
Done See March 2010
Quest ion Sr 6, 4 2009, 2006
What are the causes for crankcase explosion?
What action can be taken by the watch keeper when the vessel is in port to minimize their
Describe with the aid of sketches any mechanical devices designed to limit the violence
of such an explosion should it occur