engineering recuitment GATE ME 2023-24 Test Series Production Engineering (Manufacturing) Machining Processes and Machine Tools Machine Tools
The headstock of a lathe has 9 speeds with minimum speed of 100 r.p.m. and maximum speed of 1600 r.p.m. If the speeds are in geometric progression, then the ratio is
1
1.06
2
1.22
3
1.41
4
1.64