CAD MODELLING

1. Sectional view are drawn to

Show internal details

Section the object in 2 halves

Section the object in one garter two halves

Hide external details

2. Front view of a circle at 45 degree to vertical plane will be

Circle

Ellipse

Oval

Line

3. A drawing giving details about size tolerances heat treatment, etc known as

Production drawing

Assembly drawing

Exploded drawing

Machine drawing

4. Chain dimensioning is done where there are

Many same sized links

Many dimensions in one line

Overlapping parts

End points that are off line

5. Symbol φ before a dimension value means

Diameter

Non-frictional

Spherical diameter

Taper

6. The number of views or the graphic projection is

Three

Two

Four

Depends upon the shape of object

7. Hatching means

Lines at regular interval

Repeated pattern at regular interval

Repeated pattern at regular interval in a boundary

Solid filled up area

8. Angle of isometric grid is

30°

45°

60°

90°

9. An extension line is used to show

An extension part

The size of an object while dimensioning

Extra line projection out of the line

An extrapolated continuous full line

10. Auxiliary view is drawn to show

A inclined surface

Complicated surface

Actual shape of surface which otherwise is illusive

Big parts

11. Which statement is true for cutting plane?

It is always in straight line

Its axis depends upon the shape of object

It is always in center of object

It makes an angle with the object axis

12. Very thin object in selection is shown by

Thin lines at 45°

Lines at 10°

Vertical lines

Fully darkened

13. Morse taper is used to define

Differences in diameter per unit length

Angle of a line

Code used in dimensioning

None of above

14. AUTOCAD environment setting can be seen by command

OSNAP

DDRMODES

STATUS

SNAP

15. In orthographic projection the rays are assumed to

Diverge from station point

Converge from station point

Be parallel

Make an angle of 30degree

16. French curves are used for drawing

Straight lines

Non-circular lines

Special type of lines

Circular shapes

17. Auxiliary views is drawn

Opposite to front view

Parallel to inclined plane

Opposite to top view

On the other side of the side view

18. Reverse isometric views is drawn by

Seeing the object in reverse direction

Putting the object upside down

Shifting the plane in front of object

Changing viewing direction from top view to bottom

19. Length/width ratio of drawing sheet is

2:1

1.515:1

1.414:1

1.25:1

20. A line dimensions are used to

Draw inclined lines

Dimension angles

Align dimension line along the line

Align dimension along horizontal or vertical lines

21. Four centre methods is used to draw

Quadrant of a circle

Elliptical arc

Iso circle

Square

22. For perspective views a vanishing point is considered at

Infinity

30° to object at any distances

45° to object at any distance

Some suitable distance and angle

23. Grid display on the screen with in default position

Has fixed an equal distance in X and Y direction

Can have different distances in X and Y directions at 45 degree

Can have different distances in X and Y direction (or) 30 degree

Can have different distances in X and Y direction at any angle

24. Section lines in sectional isometric views are drawn at

45°

60°

135°

30°

25. The term cone angle is used in perspective views for

Triangular objects

Conical objects

For any shape of object

Rectangular objects

CAD Modelling