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Sanjeev Kumar

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Hydrophore System

What is Hydrophore System ? Hydrophore System is an equipment used to maintain the water pressure provided to the multiple areas of the vessel at...

Hull protection system

HULL PROTECTION SYSTEM Corrosion is one of the ship's biggest enemies and its equipment. Avoiding corrosion of a ship hull often needs cathodic forms of protection,...

Steering Gear

What is Steering Gear ? Steering gear, is the equipment provided on ships to turn the ship from port (left side ) to star board...

Marine Air compressor

What is Air compressor ? It is a machine which compresses the air at Ambient temperature(15 degree Celsius) & atmospheric pressure (1 bar ) to...

Purifier

Working Principle The operating principle of centrifugal purifier depends on the difference in specific gravity of the two liquids and solid particles. Let us take the...

COMPRESSED AIR SYSTEM

COMPRESSED AIR SYSTEM 1.The process of removing moisture from air is known as _____________. A.humidification B.dehumidification C.vaporization D.evaporation B.dehumidification 2.Increasing the moisture content of conditioned air is known as _____________. A.moisturizing B.dehumidification C.dampening D.humidification D.humidification 3.A...

PUMPS AND EDUCTORS

PUMPS AND EDUCTORS 1.How is water traveling along the shaft of a centrifugal pump prevented from entering the shaft bearing? A.Shaft seal B.Water flinger C.Drain hole D.Lantern ring B.Water flinger 2.Which...

REFRIGERATION AND AIR CONDITIONING

REFRIGERATION AND AIR CONDITIONING 1.Short cycling of a refrigeration compressor refers to _____________. A.frequently grounding out B.frequently starting and stopping C.running too...

Boiler

1.Generating tubes in waste heat boilers are finned to ____________. A.reduce gas flow turbulence B.prevent exhaust gas corrosion C.increase the rate of combustion D.increase the rate of...

Main Diesel Engine:-STARTING AND REVERSING SYSTEMS

1.Where engine bores exceed 230 mm, a bursting disc or flame arrester is to be fitted ___________. A.at the supply inlet to the control air...