RRB ALP-Engineering Drawing

the frontal face appears in its true shape ✘ both receding axes are at 30 degrees to the horizontal ✘ all faces are equally distorted ✘ the depth distances must be reduced ✔

Continuous thick ✘ Continuous thin ✘ Chain thin line ✘ Short zigzag thin ✔

Parallel projection can only be used with objects containing parallel edges. ✘ Perspective projection gives a more realistic representation of an object. ✘ Parallel projection is equivalent to a perspective projection where the viewer is standing infinitely far away. ✘ Both B and C ✔

1 ✘ 100 ✘ 1/100 ✘ Jan-1950 ✔

a hidden line has precedence over a center line ✘ a center line has precedence over a visible line ✘ a visible line has precedence over a miter line ✘ all of the above ✔

Vertical plane ✘ Horizontal plane ✘ Profile plane ✘ Any of the above ✔

a hidden line ✘ a center line ✘ a visible line ✘ none of the above ✔

Parallel line method ✘ Radial line method ✘ Triangulation method ✘ Approximate method ✔

Rotation method ✘ Trapezoidal method ✘ Auxiliary plane method ✘ All of the above ✔