The chording angle for eliminating 5th harmonic should be ____________
The chording angle for eliminating 5th harmonic should be ____________ Correct Answer 36°
To eliminate 5th harmonic kp5 must be zero, kpn = cosnε/2 ⇒ kp5 = cos5ε/2=0=cos90° ⇒ 5ε/2=90° ⇒ ε = 36°.