Engineering Drawing Has Five Major Parts: Title Essay

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Engineering Drawing Has Five Major Parts:

Title block. 2. Grid system, 3. Revision block, 4. Notes and legends, 5. Engineering drawing (the graphic portion).

The title block of the drawing contains the information necessary to identify the drawing and describe its validity. The title area has three blocks: a. The first area (which contains the drawing title, the drawing number, and the location, site, or vendor); 2. The second area (which contains information about approval and authorship of drawing); the Third Area (which cross-references other drawing related to this particular illustration).

The Grid System involves drawings either drawn to, or not drawn to, scale

(presented in ratio-style). Diagrams drawn to scale render accurate and detailed information about the illustration, whereas drawings devoid of scale present only functional or structural overview of the component.

These scales use a grid system in order to help locate a specific point of the drawing. The grid system consists of letter, numbers or both that cross the drawing both horizontally and vertically. The drawing itself is divided into blocks, each with its own letter or number identifier.

2. Revision block, The revision block indicates the changes (revision) that are made to the drawing. In the drawing's draft, the revision block is empty, but with the entry of revisions data are formatted in the revision block showing the data of modification of the drawing, the revision number, and a title of summary of the alterations. Changes are indicated by hand-drawn cloud signifiers or by shapes with revision numbers next to each change in the drawing.

3. Notes and legends explain special symbols and conventions on the drawing as well as explaining any information that the draftsman felt was necessary for oen to understand the diagram (Doe Fundamentals Handbook, 1993).

4. Engineering drawing (the graphic portion) is the type of technical drawing that thoroughly and clearly defines the requirements and pieces of the engineered items. They are drawn in accordance with standardized conventions (such as the GD&T) that have requirements for the drawing such as line weight, symbols, and technical jargon.

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These determine elements necessary for layout, size, appearance, interpretation and so forth. Often referred to as 'blueprints' or 'blue lines', the skill of producing them is known as drafting or technical drawing (Agrawal & Agrawal, 2008).

2. Instrument Identifiers

One of the main objectives of the diagram is to provide information on how the various elements of the components (such as flow, temperature, level, pressure, and manually operated valve) interface together system or with the piece of equipment. This is where instrumentation comes in via a system of system that are divided into the following four categories: sensed parameter; type of controller or indicator; type of component; and type of signal.

1. Sensed parameter includes flow (F); temperature (T); pressure (P); current ©; level (L); voltage (V); and pressure (P). This refers to the type of parameter sensed or monitored by loop or instrument.

2. The type of indicator or controller refers to the type of recorder ®; Indicator (I); and/or controller © that is used.

3. The type of component used involves transmitter (T), modifier (M), and/or element (E). Finally,

4. The fourth categories includes the letters used to indicate the type of signals that are modified by the modifier, namely: current ©, voltage (V), and pneumatic (P).

(Doe Fundamentals Handbook, 1993).

3. Identify and explain the two parts of a transformer

The transformer has two parts: input and output terminals. In the diagram, these marks usually appear as dots on the symbol of a transformer. These dots are called "polarity marks" that indicate the current flow in the circuit and indicate the polarity of the current flow.

The dot on the primary side of the transformer indicates "current in," whereas the dot on the secondary side of the transformer indicates "current out." At any given moment, when the current is flowing in the primary end of the coil (dotted), it will, simultaneously, be flowing out of the dotted secondary end of the coil.

Transformers, too, are built in either single-phase or three-phase power. Single-phase means two power lines as.....

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