The diameter of the driving wheel of a bus in 140 cm.
The diameter of the driving wheel of a bus in 140 cm. How many revolutions per minute must the wheel make in order to keep a speed of 11 kmph?
Answer/Solution
41.67
Steps/Work
distance covered in 1 min=(66*1000)/60=183.33cm
circumference of the wheel=(2*(22/7)*.70)=4.4m
no of revolution per min=183.33/4.4=41.67
ANSWER:D
circumference of the wheel=(2*(22/7)*.70)=4.4m
no of revolution per min=183.33/4.4=41.67
ANSWER:D