List - I specify the type of ends of helical compression spring and List - II consists of the formulas for calculating the pitch of the spring.
Match List - I and List - Il and select the correct answer using the codes given below the lists.
|
List-I |
List-II |
||
|
J. |
Plain ends |
1. |
(L0 - 2d)/Na |
|
K. |
Plain and ground ends |
2. |
(L0 - 3d)/Na |
|
L. |
Squared ends |
3. |
L0/(Na + 1) |
|
M. |
Squared and ground ends |
4. |
(L0 - d)/Na |
(Where, Na = Number of active coils, L0 = free length of the spring, and d = diameter of spring wire)
1
J - (1), K - (2), L - (3), M - (4)
2
J - (2), K - (1), L - (4), M - (3)
3
J - (4), K - (3), L - (2), M - (1)
4
J - (3), K - (1), L - (4), M - (2)