2D SKETCHES (ASTM STANDARDS)

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  • Q1: What is ASTM?
    Ans: ASTM stands for American Society for Testing and Materials, an organization that develops international standards for materials, products, systems, and services.
  • Q2: What is the ASTM standard?
    Ans: An ASTM standard is a document that provides technical guidelines, specifications, and procedures to ensure materials and products are tested and manufactured consistently.
  • Q3: Define a Line.
    Ans: A line is a straight one-dimensional figure having length but no thickness, connecting two points in a drawing.
  • Q4: Write down the drawing display units.
    Ans: Common drawing display units are:
    • ➔ Millimeters (mm)
    • ➔ Centimeters (cm)
    • ➔ Meters (m)
    • ➔ Inches (in)
    • ➔ Feet (ft)
  • Q5: Write any four 2D sketching entities.
    Ans: Some 2D sketching entities are:
    • ➔ Line
    • ➔ Circle
    • ➔ Rectangle
    • ➔ Arc
  • Q6: Write any four 3D sketching entities.
    Ans: Some 3D sketching entities are:
    • ➔ Plane
    • ➔ Axis
    • ➔ Point
    • ➔ 3D Sketch Line
  • Q7: What are Sketch based features in Solidworks?
    Ans: Sketch-based features are shapes created from 2D sketches like extrude, revolve, and sweep that form 3D models.
  • Q8: What are Placed features in Solidworks?
    Ans: Placed features are 3D elements added directly without sketches, like fillets, holes, and chamfers.
  • Q9: How to invoke/open the Part Modelling Environment in Solidworks?
    Ans: Click on 'File' → 'New' → 'Part' to open the Part Modelling Environment.
  • Q10: How to invoke/open the Sketching Environment in Solidworks?
    Ans: Select a plane or face, then click on the 'Sketch' button to enter the Sketching Environment.
  • Q11: How can you navigate a model in Solidworks?
    Ans: You can rotate, zoom, and pan using the mouse or navigation tools to view the model from different angles.
  • Q12: What are Sketching entities in Solidworks?
    Ans: Sketching entities are 2D shapes like lines, circles, and arcs used to create 3D features.
  • Q13: What is the procedure for drawing a line in Solidworks?
    Ans:
    • ➔ Select the Line tool.
    • ➔ Click the start point.
    • ➔ Drag to the endpoint.
    • ➔ Click again to finish the line.
  • Q14: What is the procedure for drawing an arc by using a line tool in Solidworks?
    Ans:
    • ➔ Draw two connected lines.
    • ➔ Use the 'Fillet' or 'Convert to Arc' option to form an arc between them.
  • Q15: What is the procedure for drawing an arc by using a centerpoint arc tool in Solidworks?
    Ans:
    • ➔ Select the Centerpoint Arc tool.
    • ➔ Click the center point.
    • ➔ Click the start point of the arc.
    • ➔ Click the endpoint of the arc.
  • Q16: What is the procedure for drawing a Centre line in Solidworks?
    Ans:
    • ➔ Use the Centerline tool.
    • ➔ Click the starting point.
    • ➔ Drag to the endpoint.
    • ➔ Click to create the construction line.
  • Q17: What is the procedure for drawing a Midpoint line in Solidworks?
    Ans:
    • ➔ Select the Midpoint Line tool.
    • ➔ Click the midpoint of a segment.
    • ➔ Draw the line symmetrically from the midpoint.
  • Q18: What is the procedure for drawing a rectangle in Solidworks?
    Ans:
    • ➔ Select the Rectangle tool.
    • ➔ Click one corner of the rectangle.
    • ➔ Drag to the opposite corner.
    • ➔ Click to complete the rectangle.
  • Q19: What is the Corner Rectangle tool in Solidworks?
    Ans: The Corner Rectangle tool draws a rectangle by selecting two opposite corners.
  • Q20: What is the procedure for drawing a rectangle using the Center Rectangle Tool in Solidworks?
    Ans:
    • ➔ Select the Center Rectangle tool.
    • ➔ Click the center point.
    • ➔ Drag outward to define the rectangle size.
    • ➔ Click to finish the rectangle.
  • Q21: What is a 3 point Corner rectangle in Solidworks?
    Ans: It is a rectangle created by selecting three points: two corners and one point along an edge.
  • Q22: What is the procedure for drawing a rectangle using the 3 point Corner rectangle Tool in Solidworks?
    Ans:
    • ➔ Select the 3 Point Corner Rectangle tool.
    • ➔ Click three points to define two corners and one edge.
    • ➔ Click to complete the rectangle.
  • Q23: What is a 3 point Center rectangle in Solidworks?
    Ans: It is a rectangle drawn using the center point and two points on the edges.
  • Q24: What is the procedure for drawing a rectangle using the 3 point Center rectangle Tool in Solidworks?
    Ans:
    • ➔ Select the 3 Point Center Rectangle tool.
    • ➔ Click the center point.
    • ➔ Click two points on the sides to define the rectangle.
    • ➔ Complete the rectangle.
  • Q25: What is the Parallelogram tool in Solidworks?
    Ans: The Parallelogram tool is used to draw a four-sided figure where opposite sides are parallel.
  • Q26: What is the procedure for drawing a parallelogram in Solidworks?
    Ans:
    • ➔ Select the Parallelogram tool.
    • ➔ Click the first corner.
    • ➔ Drag to set the sides.
    • ➔ Click to complete the shape.
  • Q27: What is the procedure for drawing a circle in Solidworks?
    Ans:
    • ➔ Select the Circle tool.
    • ➔ Click the center point.
    • ➔ Drag to define the radius.
    • ➔ Click to complete the circle.
  • Q28: What is the procedure for drawing a polygon in Solidworks?
    Ans:
    • ➔ Select the Polygon tool.
    • ➔ Click the center point.
    • ➔ Drag outward to set the size.
    • ➔ Define the number of sides.
    • ➔ Click to finish the polygon.
  • Q29: What is the procedure for drawing a slot in Solidworks?
    Ans:
    • ➔ Select the Slot tool.
    • ➔ Click the start point.
    • ➔ Click the endpoint.
    • ➔ Drag to define the width of the slot.
    • ➔ Click to complete the slot.
  • Q30: What is the procedure for drawing a slot using a straight slot tool in Solidworks?
    Ans:
    • ➔ Select the Straight Slot tool.
    • ➔ Click the two endpoints to define the length.
    • ➔ Set the width.
    • ➔ Click to complete the slot.
  • Q31: What is the procedure for drawing a slot using the centerpoint straight slot tool in Solidworks?
    Ans:
    • ➔ Select the Centerpoint Straight Slot tool.
    • ➔ Click the center point.
    • ➔ Drag in one direction to set the length.
    • ➔ Define the width.
    • ➔ Click to complete the slot.
  • Q32: What is a 3 point Arc Slot in Solidworks?
    Ans: A 3 Point Arc Slot is a slot defined by three points: two ends and one arc point along the curve.
  • Q33: What is the procedure for drawing a slot using the 3 point Arc Slot tool in Solidworks?
    Ans:
    • ➔ Select the 3 Point Arc Slot tool.
    • ➔ Click three points to define the slot arc and ends.
  • Q34: What is the procedure for drawing an ellipse in Solidworks?
    Ans:
    • ➔ Select the Ellipse tool.
    • ➔ Click the center point.
    • ➔ Drag to set the major and minor axes.
    • ➔ Release to finish.
  • Q35: What is the procedure for drawing a partial ellipse in Solidworks?
    Ans:
    • ➔ Select the Partial Ellipse tool.
    • ➔ Click the start point.
    • ➔ Drag to the end point.
    • ➔ Adjust the curvature as needed.
  • Q36: What is the procedure for drawing a parabola in Solidworks?
    Ans:
    • ➔ Select the Parabola tool.
    • ➔ Define the vertex point.
    • ➔ Click two points along the curve to complete the shape.
  • Q37: What is the procedure for drawing a conic curve in Solidworks?
    Ans:
    • ➔ Select the Conic Curve tool.
    • ➔ Click the start point.
    • ➔ Click the end point.
    • ➔ Click a control point to define the curve shape.
  • Q38: Define Spline Tool in Solidworks?
    Ans: The Spline Tool is used to draw smooth, freeform curves by defining multiple points.
  • Q39: What is the procedure for drawing a spline in Solidworks?
    Ans:
    • ➔ Select the Spline tool.
    • ➔ Click to place points along the curve.
    • ➔ Finish by right-clicking or pressing Esc.
  • Q40: What is Pattern in Solidworks?
    Ans: A Pattern repeats a feature, face, or body in a specific direction or along a curve.
  • Q41: Name 6 patterns used in Solidworks?
    Ans: Common patterns are:
    • ➔ Linear Pattern
    • ➔ Circular Pattern
    • ➔ Curve Driven Pattern
    • ➔ Sketch Driven Pattern
    • ➔ Fill Pattern
    • ➔ Variable Pattern
    • ➔ Table Driven Pattern
  • Q42: Define Linear Pattern in Solidworks?
    Ans: A Linear Pattern repeats a feature in one or two straight directions with specified spacing.
  • Q43: Define Circular Pattern in Solidworks?
    Ans: A Circular Pattern repeats a feature around an axis at equal angular spacing.
  • Q44: Define Curve Driven Pattern in Solidworks?
    Ans: A Curve Driven Pattern repeats a feature along a selected curve or edge.
  • Q45: Define Sketch Driven Pattern in Solidworks?
    Ans: A Sketch Driven Pattern repeats features at points defined in a sketch.
  • Q46: Define Fill Pattern in Solidworks?
    Ans: A Fill Pattern creates multiple instances to fill a selected area.
  • Q47: Define Variable Pattern in Solidworks?
    Ans: A Variable Pattern allows varying spacing or size of pattern instances.
  • Q48: Define Table Driven Pattern in Solidworks?
    Ans: A Table Driven Pattern uses a table of coordinates to place multiple instances of a feature.
  • Q49: Define Tolerances in Solidworks?
    Ans: Tolerances define allowable limits of variation in dimensions for manufacturing accuracy.
  • Q50: Name the types of Tolerances in Solidworks?
    Ans: Types of Tolerances:
    • ➔ Unilateral Tolerance
    • ➔ Bilateral Tolerance
    • ➔ Symmetric Tolerance
  • Q51: What is the Go-NOGO gauge?
    Ans: A Go-NOGO gauge checks if a part is within acceptable tolerance by allowing it to fit in the 'Go' size and not fit in the 'NOGO' size.
  • Q52: What is QA and QC?
    Ans: QA (Quality Assurance) ensures processes are correct to prevent defects, while QC (Quality Control) checks the finished products for defects.
  • Q53: Define Unilateral Tolerances in Solidworks?
    Ans: Unilateral Tolerances allow variation in only one direction from the nominal dimension.
  • Q54: Define Bilateral Tolerances in Solidworks?
    Ans: Bilateral Tolerances allow variation in both directions from the nominal dimension.
  • Q55: Define Symmetric Tolerances in Solidworks?
    Ans: Symmetric Tolerances are equal variations allowed on both sides of the nominal dimension.
  • Q56: Define Datum in Solidworks?
    Ans: A Datum is a reference point, line, or plane from which measurements and features are defined.
  • Q57: Define Work Planes in Solidworks?
    Ans: Work Planes are reference planes used to create sketches, features, or other geometry in 3D space.
  • Q58: Define Work Axes in Solidworks?
    Ans: Work Axes are reference lines used to create features or patterns along a direction.
  • Q59: Define Work Points in Solidworks?
    Ans: Work Points are reference points used to locate geometry, define axes, or create patterns.
  • Q60: What are Work Points used for?
    Ans: Work points are used for the following:
    • ➔ To mark shaft and pattern centers
    • ➔ To define 3D points
    • ➔ To define planes
    • ➔ To define coordinate systems
CadCam — chapter-2 | GCT Notes