Roll-On Roll-Off Ships
We have been studying various ship types and have learnt about bulk carriers, container carriers, Reefer ships, Tankers, Cruise Ships, Dynamic Position Vessels, Barge Ships and FPSOs. Now we will proceed to take a look at a ship type which…
Comparison of Petrol and Diesel Engines
Petrol vs Diesel engines: A comparison - Basic difference between a petrol engine and a diesel engine based on working, pressures, combustion, compression ratios, speed, efficiency, maintenance, and running costs.…
Brake power of IC Engine
The brake power (briefly written as B.P.) of an IC Engine is the power available at the crankshaft. The brake power of an I.C. engine is, usually, measured by means…
Efficiency of an IC Engine
The efficiency of an IC engine (Internal Combustion Engine) is defined as the ratio of workdone to the energy supplied to an engine. The following efficiencies of an 1.C. engine are important: (a) Mechanical…
What Are Ship Trials?
Trials are one of the most important parameters for customer satisfaction. True that bad marriage doesn’t come with a trail run or a test period….it’s like a sentence for life…jokes…
Difference between four stroke and two stroke engines
The following are the main differences between a four stroke and two stroke engines: 4-Stroke2-StrokeIn four stroke engine all the four operations i.e. suction, compression, ignition and exhaust are completed in two…
Definition and Classification of I.C. Engines
I.C. Engines: Internal combustion engine more popularly known as I.C. engine, is a heat engine which converts the heat energy released by the combustion of the fuel inside the engine cylinder, into mechanical…
Ignition System of Petrol Engines
The ignition in a petrol engine takes place by means of a spark plug at the end of the compression stroke. The voltage required to produce a spark across the…
What Are Bark Boats?
Bark boats, as the name suggests were small prehistoric type of boats without motors, made from the bark of a tree trunk. Bark boats were similar to skin boats in all aspects,…
Cetane Number – Rating of CI Engine Fuels
What is Cetane Number? How rating of fuels used in C. I. Engines (Compression Ignition Engines) is done using Cetane number and other parameters? The knocking tendency is also found in compression ignition (C.…
