Q:

Two shafts having an included angle of 150° are connected by a Hooke’s joint. The driving shaft runs at a uniform speed of 1500 r.p.m. The driven shaft carries a flywheel of mass 12 kg and 100 mm radius of gyration. Using the above data, calculate the maximum angular acceleration of the driven shaft in rad/s˛.

A) 6853 B) 6090
C) 6100 D) 6500
 
Answer & Explanation Answer: A) 6853

Explanation: ? = 180 -150 = 30?
cos2? = 2sin˛ ?/1-sin˛ ? = 0.66
angular acc = d?/dt
= 6853.0 rad/s˛.

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