A gear type flexible coupling is precision built for __________.
• Flexible couplings purpose in a propulsion shaft line • Difference between torsional vibration control and torque transmission with misalignment • How gear-type construction affects load sharing and alignment limits
• Ask yourself: What is the main design job of a gear-type flexible coupling in a main propulsion shaft—absorbing vibration, allowing slip, or transmitting torque despite minor misalignment? • Think about which option best matches a precision-machined gear mesh: is it intended to slip, to flex like rubber, or to carry high loads accurately? • Consider how much misalignment any precision gear teeth can really tolerate—large angular offsets or limited misalignment?
• Verify which answer mentions torque transmission rather than slip or thrust control. • Check which option talks about limited or minimal misalignment, which matches precision-built gear teeth. • Eliminate any choice that suggests intentional slip in the coupling, since main shaft couplings normally aim for no slip in power transmission.
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