In the first angle projection:

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RRB ALP Electronics Mechanic 21 Jan 2019 Official Paper (Shift 3)
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  1. Object lies between observer and plane of projection
  2. Object lies in the third quadrant
  3. The plane of the projection lies between the object and the observer
  4. Object lies in the fourth quadrant

Answer (Detailed Solution Below)

Option 1 : Object lies between observer and plane of projection
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Explanation:

First angle projection

Third-angle projection

Object is kept in the first quadrant

An object is assumed to be kept in the third quadrant

Object lies between the observer and the plane of the projection

A plane of projection lies between the observer and the object

The plane of projection is assumed to be Non-transparent

The plane of projection is assumed to be transparent.

Front (elevation) view is drawn above the XY line

Front (elevation) view is drawn below the XY line

Top (plan) view is drawn below the XY line

Top (plan) view is drawn above the XY line

Left view is projected on the right plane and vice versa

Left view is projected on the left plane itself

Followed in India, European countries

Followed in the USA

 

1 Oct 2018 Basic 1

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