What is the purpose of double hooke’s joint?

1.	What is the purpose of double hooke’s joint?
A.	Have constant linear velocity ratio of driver and driven shafts
B.	Have constant acceleration ratio of driver and driven shafts
C.	Have constant angular velocity ratio of driver and driven shafts
D.	Have constant angular acceleration ratio of driver and driven shafts
Answer» D. Have constant angular acceleration ratio of driver and driven shafts

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The angle between the axes of two shafts connected by Hooke’s joint is 18°. Determine the angle turned through by the driving shaft when the velocity ratio is maximum.
Two shafts with an included angle of 160° 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. Find the maximum angular acceleration of the driven shaft.
Two shafts connected by a Hooke’s joint have an angle of 18 degrees between the axes.Find the angle through which it should be turned to get the velocity ratio equal to 1.
Two shafts connected by a Hooke’s joint have an angle of 18 degrees between the axes.Find the angle through which it should be turned to get the velocity ratio maximum.
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 torque required in N-m.
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/s2.
Double hooke’s joint can be used to keep the angular velocity of the shaft constant.
What is the purpose of double hooke’s joint?

What is the purpose of double hooke’s joint?

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