Exam Question
(a) Describe various types of valves used in Engine room. State reasons for their use for particular type of valves. (10)
(b) Describe Materials used for different parts of each design. (6)
Class 4 (4th Engineer)
MEP
📅 Apr 2024
Reference Answer
### (a) Types of Valves in Engine Room and Reasons for Use
Valves are mechanical devices used to control the flow, pressure, and direction of fluids within a piping system. The selection of a specific valve type is critical and depends on the system's function, the fluid properties (temperature, pressure, viscosity, corrosiveness), and the required control characteristics (isolation, throttling, or prevention of backflow).
Here are the principal types of valves found in a ship's engine room:
**1. Gate Valve**
Valves are mechanical devices used to control the flow, pressure, and direction of fluids within a piping system. The selection of a specific valve type is critical and depends on the system's function, the fluid properties (temperature, pressure, viscosity, corrosiveness), and the required control characteristics (isolation, throttling, or prevention of backflow).
Here are the principal types of valves found in a ship's engine room:
**1. Gate Valve**
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