Engineering Drawing Mock Test 9

1. B.I.S recommends only fine threads.

2. For a Whitworth external thread the distance between the crest and root (d) is ____ when pitch (p) is given.

3. _______________________ is a nut in which a collar is provided at the upper end of the hexagonal nut and a fiber ring is fitted inside it.

4. Find the type of screw thread the following screw profile is indicating.

5. Which of the following is true for single-start threads?

6. Moment of inertia of a triangle having base as b and height as h and axis is along the centroid and parallel the base.

7. Which of the following is not the method to prevent rotation of a bolt while screwing a nut on or off it?

8. Which of the following is true for the type-A washer?

9. Given steps in procedure to find the center of gravity of the quadrilateral ABCD. Arrange the steps.
i. Draw lines joining G1 with G2 and G3 with G4.
ii. In given quadrilateral draw diagonal BD and locate centers of gravity G1, G2 of triangles BCD and ABD.
iii. The point of intersection of lines G1G2 and G3G4 gives the center of gravity of the quadrilateral ABCD.
iv. Similarly draw the diagonal AC and determine the centers of gravity G3, G4 of triangles ABC and ADC.

10. Find the type of rivet head, the following diagram is representing?