engineering recuitment UPCL AE (E&M) 2021 Mock Test Design of Machine Elements Belt Drive Length of Belt Drive
If dL and dS are the diameters of the larger and smaller pulleys, and C is the centre distance between the pulleys, then the length of the cross belt drive is ______.
1
\(\frac{(d_L\;+\;d_S)\pi}{2}\;+\;2C\;+\;\frac{(d_L\;+\;d_S)^2}{4C}\)
2
\(\frac{(d_L\;+\;d_S)}{2}\;+\;2C\;+\;\frac{(d_L\;+\;d_S)^2}{4C}\)
3
\(\frac{(d_L\;+\;d_S)\pi}{2}\;+\;2C\;+\;\frac{(d_L\;-\;d_S)^2}{4C}\)
4
\(\frac{(d_L\;-\;d_S)\pi}{2}\;+\;2C\;+\;\frac{(d_L\;+\;d_S)^2}{4C}\)