The ratio of velocities of the shafts connected by Hooke's joint is given by (where N and N1 = Speed of driving and driven shafts (in r.p.m.) respectively, = Angle through which the arms of the cross turn, and = Angle of inclination between the two shafts)

• A. <img src="/_files/images/mechanical-engineering/theory-of-machines/483-150-1.png">
• B. <img src="/_files/images/mechanical-engineering/theory-of-machines/483-150-2.png">
• C. <img src="/_files/images/mechanical-engineering/theory-of-machines/483-150-3.png">
• D. <img src="/_files/images/mechanical-engineering/theory-of-machines/483-150-4.png">