Exam Question
Describe, with the aid of sketches, a system of turbo-charging a two-stroke cycle main engine. State the routine attention, which should be given to the turbo-charger. Which parameters are to be recorded during watch keeping? (16)
Class 4 (4th Engineer)
MEKM
📅 Oct 2023
Reference Answer
A comprehensive description of a turbocharging system for a two-stroke cycle main engine, including routine maintenance and watchkeeping parameters, is provided below.
### 1. Principle of Turbocharging
Turbocharging is a process of forced induction that utilizes the otherwise wasted thermal and kinetic energy of the engine's exhaust gases. This energy drives a turbine, which is mechanically coupled to a centrifugal compressor (blower) on a common shaft. The compressor draws in ambient air, pressurizes it, and delivers it to the engine's cylinders.
The primary objectives are:
### 1. Principle of Turbocharging
Turbocharging is a process of forced induction that utilizes the otherwise wasted thermal and kinetic energy of the engine's exhaust gases. This energy drives a turbine, which is mechanically coupled to a centrifugal compressor (blower) on a common shaft. The compressor draws in ambient air, pressurizes it, and delivers it to the engine's cylinders.
The primary objectives are:
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