3. The free length of the plain ends spring is equal to (where: Na = the number of active coils, P = pitch, Dw = the wire diameter) a. P*N₂ + Dw b. P (Na + 1) d. P*N₂ + 2Dw c. P*Na + 3Dw 4. Spring index is: (where: OD = The outside diameter, ID = the inside diameter, Dw the wire diameter, Dm = the mean diameter) Dm ID b. a. OD Dw OD Dw d. - ID Dm 5. In cotter joint, the compressive load is taken up by the collar of the spigot. a. TRUE b. FALSE

3. The free length of the plain ends spring is equal to (where: Na = the number of active coils, P = pitch, Dw = the wire diameter) a. PN₂ + Dw b. P (Na + 1) d. PN₂ + 2Dw c. P*Na + 3Dw 4. Spring index is: (where: OD = The outside diameter, ID = the inside diameter, Dw the wire diameter, Dm = the mean diameter) Dm ID b. a. OD Dw OD Dw d. - ID Dm 5. In cotter joint, the compressive load is taken up by the collar of the spigot. a. TRUE b. FALSE

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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