IDIS 303 Couplings Exam Questions with 100% Correct Answers
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Course
IDIS
Institution
IDIS
IDIS 303 Couplings Exam Questions with
100% Correct Answers
3 purposes for couplings: - 1. Connect the ends of two shafts
2. transmit torque
3. Accommodate misalignment
Two types of Coupling: - 1. Rigid coupling: used to precisely align
shafts
2. Flexible Coupling: accomedate various degrees...
IDIS 303 Couplings Exam Questions with 100% Correct Answers 3 purposes for couplings: - ✔✔1. Connect the ends of two shafts 2. transmit torque 3. Accommodate misalignment Two types of Coupling: - ✔✔1. Rigid coupli ng: used to precisely align shafts 2. Flexible Coupling: accomedate various degrees, no vibration Flexible couplings used in order to: - ✔✔Fail and break before other costlier parts break in the event of extreme torque overload. Dampen rotational vibratio n. __________________ is a measure of the angle between the centerlines of driving and driven shafts, where those centerlines would intersect approximately halfway between the shaft ends. - ✔✔ANGULAR MISALIGNMENT A coupling should not be operated with both ___ and ___ misalignment at their max values. - ✔✔parallel and angular _________________ is a projection or movement along the line of the axis of rotation. - ✔✔AXIAL ________________ is the change in axial position of the shaft and part of the coupling i n a direction parallel to the axial centerline. This can be caused by thermal growth or a floating rotor. - ✔✔AXIAL DISPLACEMENT Limited end float couplings limit what kind of displacement? - ✔✔axial displacement ______________ forces (thrust) generated fr om driver or driven equipment, in which case the coupling will pass those forces to the next available bearing with thrust capability. . - ✔✔AXIAL FORCES: Axial Forces may be generated in the axial direction when operating at_________________. - ✔✔HIgh spe eds or under misalignment ________________ is the characteristic that allows for variation in coupling position on the shaft at time of installation. - ✔✔AXIAL FREEDOM __________________ is the amount of free movement between two rotating, mating parts. - ✔✔BACKLASH
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