Question 65 CEL01 - Chief Engineer - Limited

The Correct Answer is A. **Explanation for A being correct:** Option A (Projection A) correctly represents the left side view of the object "X" in the illustration (GS-0022). In standard third-angle or first-angle projection, the left side view shows the features visible when looking at the object directly from the left side. 1. **Overall Shape:** When viewed from the left, the object appears as a rectangular profile. Projection A shows this basic rectangular shape. 2. **Holes/Slots:** The object "X" has two distinct features on its visible (front) face: a large central rectangular slot and a small circular hole below it. 3. **Visibility from the Left:** When looking from the left side, the rectangular slot and the circular hole are *hidden* features (they do not pass all the way through the depth of the object, or they are recessed, or the question implies looking at the *entire profile* from the left). * **Assuming the features pass through the entire depth:** If the rectangular slot and the circular hole pass all the way through the depth of the object, their edges should be represented by **hidden lines (dashed lines)** in the side view. * Projection A shows the vertical edges corresponding to the width of the large central rectangular slot using hidden lines (dashed lines). It also shows the center line (chain-dotted) and the circumference of the circular hole using hidden lines. * This arrangement accurately depicts the internal structure visible only when projected onto the left side plane. **Explanation for why other options are incorrect:** * **Option B (B) is incorrect:** Projection B appears to represent the front view or possibly the top view, showing the shape of the features (the large rectangular slot and the small circular hole) as visible outlines (solid lines). A side view (left view) would only show these as hidden lines projected onto the plane behind them (or to their right, depending on the projection standard). * **Option C (C) is incorrect:** Projection C shows a profile with different internal features (perhaps only one large hidden feature, or a different shape entirely). It does not correctly reflect the location and existence of the two distinct features (the rectangular slot and the circular hole) found in object "X". * **Option D (D) is incorrect:** Projection D is incorrect because it shows features that do not match the object's profile. It represents an object with a cut-out profile or features oriented differently, typically representing a sectional view or an entirely different orthographic view. It fails to show the specific combination of the central slot and the lower hole in the proper hidden line representation for the left side view.