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VARIABLE TURBINE AREA
DURING PART LOAD OPERATION, EXHAUST GAS ACCUMULATES IN THE PIPELINE WHEN ENGINE LOAD DROPS. HENCE EXHAUST GAS ACCUMULATES IN THE PIPELINE WHEN ENGINE LOAD DROPS WAS NOT SATISFACTORY VARIABLE TURBINE […]
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MICROBIAL DEGRADATION OF LUBE OIL
THERE ARE 2 TYPES OF BACTERIA NAMELY :- AEROBIC :- THE ONE WHICH NEEDS OXYGEN TO THRIVE ANAEROBIC :- THE ONE WHICH THRIVES IN OXYGEN FREE ATMOSPHERE. IN THE MAIN […]
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LUB OIL PROPERTIES FOR REFRIGERATION SYSTEM
GOOD CHEMICAL STABILITY :- LUB OIL SHOULD NOT REACT CHEMICALLY WITH […]
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DESIRABLE PROPERTIES OF REFRIGERANT
LOW BOILING POINT. SHOULD BE NON FLAMMABLE, NON EXPLOSIVE AND NON TOXIC AND SHOULD NOT CONTAMINATE FOOD OR DAMAGE ENVIRONMENT IN CASE OF LEAK. IT SHOULD BE NON CORROSIVE AND […]
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STEPS TAKEN IN CASE OMD ALARM SOUNDS
O.M.D ALARM IS A SAFETY PROVIDED IN THE MAIN ENGINE TO AVOID CRANKCASE EXPLOSION. IT HAS A DELAY OF 6 SECONDS BEFORE IT SLOWDOWN THE MAIN ENGINE TO 40% OF […]
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EFFECT OF DIFFERENT SHORE CONNECTION FREQUENCY OR VOLTAGE
The power supply from ashore may have a different frequency and I or voltage to that of the ship’s system. A higher frequency will cause motors to run faster, be […]
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SHORE SUPPLY CONNECTION BOX
SHORE SUPPLY IS USED MAINLY DURING DRYDOCK WHEN GENERATORS HAVE TO BE STOPPED FOR OVERHAULING. NOWADAYS MANY PORTS ARE SUPPLING SHORE CONNECTION SO THAT EMISSION CAN BE CONTROLLED IN PORTS. […]
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SAFETIES IN CRANKCASE
FOLLOWING SAFETIES ARE PROVIDED IN CRANKCASE OF MAIN ENGINE TO PREVENT CRANKCASE EXPLOSION :- CRANKCASE RELIEF DOOR OILY MIST ALARM BREATHER PIPE SEGREGATION OF EVERY UNIT OF MAIN ENGINE CRANKCASE […]
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INDICATOR CARD DEVIATION AND ITS INTERPRETATION
DEVIATION IN DIAGRAM DUE TO FAULTS IN INDICATOR :- VIBRATION IN CORD OR DRIVE INDICATOR CORD TOO LONG INDICATOR CORD TOO SHORT INDICATOR PISTON WORKS SLUGGISH IN CYLINDER AND MOVES […]
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SIGNIFICANCE OF COMPRESSION CARD
THE INDICATOR DRIVE, WHICH THROUGH THE CORD MOVES THE PAPER DRUM, REPRESENT THE STROKE OF THE POWER PISTON IN THE ENGINE CYLINDER. THE DRIVE IS USUALLY ACTUATED BY A CIRCULAR […]
