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How to parallel two generators on board ship

Let us consider generator 1 is on load, that is the circuit breaker of generator 1 is closed and generator 2 engine is running a...
purpose of a striker or double plater

Purpose of a Striker or Doubler Plate A striker or doubler plate is a flat, durable surface typically installed at the bottom of a tank o...
Propeller curve and its significance

The propeller curve (or propeller law) describes the fundamental relationship between a ship's speed, propeller revolutions (RPM), and t...
Components of an Auxiliary engine on ship

Fuel valve 1. Fuel Valve is also called the fuel Injector. It is fitted on cylinder head, which encompasses the combustion chamber. A fuel v...
Explained: Thrust bearing working principle and where it is located inside the ship?

Principle: If the direction of rotation is reversed, the propeller generates a thrust in opposite direction, and the ship moves in an aste...
Explained: Working and use of brushless alternators

Brushless Alternator are used because there is less wear and tear on the Alternator as there are very few moving parts. In Brushless Alterna...
know the types of Piston ring clearance

We have three types of clearance for piston rings. Butt clearance. Axial clearance. Back clearance or radial clearance. 1. Butt cleara...
Principle Dimensions of a ship

LOA : Length Overall (LOA)is the length measured between the extreme ends of the ship from forward to aft. LWL : Length...
Today updates 4 july 2025

Here are the top shipping & maritime news updates for today, July 4, 2025: ⚓ Key Maritime Headlines Drag on European Rivers Disrupts Shi...
Know Bilge system onboard ship by using line diagram

The engine room bilge on most ships having oily water. This is because leaks from various machinery and systems finally find their way into ...

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Write short notes on the following: (a) Friction losses and fuel consumption in auxiliary engines (b) Importance of stroke/ bore ratio in engine performance (c) Noise reduction used in main engines to improve noise level conditions for personnel in the engine room

Write short notes on the following: (a) Friction losses and fuel consumption in auxiliary engines (b) Importance of stroke/ bore ratio in engine performance (c) Noise reduction used in main engines to improve noise level conditions for personnel in the engine room

Metta Naveen Kumar September 07, 2026 0

(a) Friction Losses and Fuel Consumption in Auxiliary Engines The power developed by combustion inside an auxiliary engine is called indic...

Name the factors considered by an engine designer in selecting the compression ratio for a compression-ignition engine. Give examples of compression-ratio values. How does compression ratio affect NOx emissions?

Name the factors considered by an engine designer in selecting the compression ratio for a compression-ignition engine. Give examples of compression-ratio values. How does compression ratio affect NOx emissions?

Metta Naveen Kumar September 07, 2026 0

Answer Compression ratio (CR) is the ratio of the cylinder volume when the piston is at BDC to the clearance volume when the piston is ...

What is an Internal Combustion Engine? Name the various types.

What is an Internal Combustion Engine? Name the various types.

Metta Naveen Kumar September 05, 2026 0

An Internal Combustion Engine (ICE) is an engine in which the combustion of fuel takes place inside the engine cylinder or combustion cham...

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