MEO CLASS IV ORAL
SHIP CONSTRUCTION & STABILITY ORAL QUESTIONS : SAFETY MEO CLASS IV
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MARINE DIESEL ENGINE & TERMINOLOGY
Engine: Engine is a machine which converts chemical energy into the heat energy and heat energy into the pressure energy and pressure energy in to the mechanical energy to perform the work. Classification of engine
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Two stroke Diesel engine
Main Engine Two stroke diesel engines are mainly used as a main engine onboard ship which helps to rotate the propeller of the ship by which ship moves. Working operation: In the two stroke diesel engine cycle is competed in two stroke of the piston. In two stroke of the piston crankshaft takes one revolution
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AIR CONDITIONING SYSTEM ONBOARD SHIP
Air conditioning is the control of humidity, temperature cleanliness and air motion. Winter conditioning relates to increasing temperature and humidity whilst summer condition relates to decreasing temperature and increasing humidity. The components of the system such as a compressor evaporator, oil separator, filter drier, condenser, and air handling unit.
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Advantages and Disadvantage of Various pumps: Gear, Vane, Positive displacement
Advantages and Disadvantages of Positive Displacement Pumps Advantages Disadvantages PD pump has a low operating cost. These are less efficient pumps than dynamic pumps. These have a low initial cost. Low efficiency. They are best appropriate for high viscosity fluids. These can’t deliver pulsating free flow. It has a high-pressure ratio for small sizes. These
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