Which of the following would represent ideal operating conditions for a pair of universal joints on a propeller shaft?

A) maximum operating angle of 3 degrees
B) minimum operating angle of 1/2 degree
C) operating angles each U-joint should be within 1 degree
D) all of the above

Operating Angles

The specific angles at which certain mechanical parts, such as driveshafts, are designed to operate efficiently.

Propeller Shaft

The mechanical component used to transmit power from an engine or motor to the propeller in a boat or aircraft.

Universal Joints

Flexible joints used in drive shafts that allow for the transmission of power between shafts that are not aligned.