Boiler Mountings
The components mentioned in this section are referring to the general arrangement drawing of the boiler. Safety valves Two safety valves are fitted to the pressure vessel of the boiler.…
Types of Main Bearings of Marine Engines
The rotational power of a ship’s propeller is determined by the power produced by the marine engine to rotate the crankshaft. The crankshaft of the main engine is supported and…
Different Parts of a Marine Air Compressor Used on a Ship
A marine air compressor provides compressed air for various purposes on a ship. An air compressor is one of the most important equipments on a ship which needs special care…
Cocks and valves- Ship service systems
Cocks and valves are designed to control or interrupt flow. This is done in cocks by rotating the plug, and in valves by lowering, raising or rotating a disc in…
Gear Introduction
A gear also known as "gear wheel" is a rotating machine part having cut teeth, or cogs, which mesh with another toothed part in order to transmit torque. Two or more gears working in…
Overall Power Loss In Engine
· Heat escaping from the cylinders and the engine. Not all of the energy created in combustion is able to drive the car. · Friction between moving parts converts some of the…
Efficiency of the engine
The efficiency of the engine depends to a large extent upon the following criteria: · Compression · Combustion Process · Air/Fuel Mixture · Mechanical Design · Lubrication 1) Compression The higher the Compression Ratio or the pre-compression pressure, then the…
How to Produce More Engine Power
Car manufacturers are constantly playing with all of the following variables to make an engine more powerful and/or more fuel efficient. 1. Increase displacement - More displacement means more power because…
Engine Problems
Three fundamental things can happen: a bad fuel mix, lack of compression or lack of spark. Beyond that, thousands of minor things can create problems, but these are the "big three." Based on the simple…
Components of Automobile Engine
1) Camshaft: Camshaft is a type of rotating device or apparatus used in piston engines for propelling or operating poppet valves. Camshaft comprises of series of cams that regulates the…
