Which type of drawing uses symbols to represent components, constructs, or relationships in a drawing?

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Question

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RRB ALP Electrician 22 Jan 2019 Official Paper (Shift 3)

Answer 1

Explanation:

Schematic Drawing

A schematic is defined as a picture that shows something in a simple way, using symbols.
A schematic diagram is a picture that represents the components of a process, device, or other object using abstract, often standardized symbols and lines.
Schematic diagrams only depict the significant components of a system, though some details in the diagram may also be exaggerated or introduced to facilitate the understanding of the system.
Schematic diagrams do not include details that are not necessary for comprehending the information that the diagram was intended to convey.
For example, in a schematic diagram depicting an electrical circuit, you can see how the wires and components are connected together, but not photographs of the circuit itself.