-
ALKALINE BOILING OUT OF BOILER
CHEMICAL CLEANING OF BOILER IS CARRIED OUT IN THREE CONDITION :- BEFORE INITIAL START OF BOILER. IN CASE OF HEAVY OIL CONTAMINATION. IN CASE OF HEAVY SCALING OR CORROSION. ALKALINE […]
-
STEPS IN CASE OF OIL CONTAMINATION OF BOILER
OIL CONTAMINATION IN BOILER IS FROM THE STEAM RETURN LINE FROM ANY F.O HEATER OR FROM ANY F.O TANKS. OIL CONTAMINATION IS A SERIOUS ISSUE AND HAVE TO BE DEALT […]
-
TYPES OF VALVES IN BOILER FEED WATER LINE
BOILER IS PROVIDED WITH TWO INDEPENDENT MEANS OF FEED WATER SUPPLY TO BOILER. ONE IS MAIN FEED WATER LINE AND OTHER IS AUXILIARY FEED WATER LINE. THE MAIN FEED WATER […]
-
LEGIONELLA BACTERIA IN AIR CONDITIONING PLANT
AIR CONDITIONING SYSTEM ON-BOARD ON SHIP CONSIST OF AN AIR CONDITIONING PLANT AND AN AIR HANDLING UNIT (A.H.U). THIS AIR HANDLING UNIT CONTAINS AN AIR FILTER, EVAPORATOR COIL, HUMIDIFIER, HEATER/STEAM […]
-
EFFECT OF RUNNING TWO PUMPS IN SERIES OR IN PARALLEL
PUMPS ARRANGED IN SERIES :- WHEN TWO PUMPS ARE ARRANGED IN SERIES, THE TOTAL HEAD OF THE SYSTEM ADDS UP. SINCE EACH PUMP GENERATES A HEAD CORRESPONDING TO A QUANTITY […]
-
WHICH TYPE OF PUMP IS MAIN ENGINE L.O PUMP AND WHY?
WELL ANY GUESS, IT SHOULD BE A POSITIVE DISPLACEMENT PUMP RIGGGHHHHHHHHTTTTTTT. OBVIOUSLY IT DOES NOT NEED PRIMING SO BEST OPTION FOR A MAIN ENGINE L.O PUMP. WILL START AND DIRECTLY […]
-
LUB OIL PROPERTIES FOR REFRIGERATION SYSTEM
GOOD CHEMICAL STABILITY :- LUB OIL SHOULD NOT REACT CHEMICALLY WITH […]
-
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 […]
-
EXPANSION ACCOMODATION IN 7 KG BOILERS
The alignment of boiler should incorporate provisions for thermal expansion at the boiler feet (saddles) when the boiler is in hot operating condition. Expansion may be in the order of […]
-
AXIAL FLOW PUMP
IT IS A PUMP IN WHICH A SCREW PROPELLER IS USED TO CREATE AN INCREASE IN PRESSURE BY CAUSING AN AXIAL ACCELERATION OF LIQUID WITHIN ITS BLADE. THE INCIDENTAL ROTATION […]
