engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Theory of Machines Gear Helical and Spiral Gears
If in a double helical gear, the right and left inclinations meet at a common apex and there is no groove in between, the gear is known as ________.
1
herringbone gear
2
crossed helical gear
3
spiral bevel gear
4
helical spur gear