A mower has driven wheel of 60 cm diameter. The crank of mower makes 5 – McqOptions

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1.	A mower has driven wheel of 60 cm diameter. The crank of mower makes 550 rpm, when it is driven by a tractor at a speed of 2 km/h. If speed ratio between the crank wheel and land wheel is changed to 27:1, calculate the increase in speed of mower to maintain the same speed of crank.
A.	0.20 km/h
B.	0.304 km/h
C.	1.402 km/h
D.	1.36 km/h
Answer» C. 1.402 km/h

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