Engine : Motor Plants and Auxiliary Boilers - 62/947 |
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One advantage of electromagnetic slip couplings is __________. |
A) torsional vibrations are reduced |
B) torque increases with a decrease in excitation current |
C) the coupling rapidly responds to sudden changes of load |
D) excitation and induction power losses appear as a change in torque instead of rotational speed between the primary and secondary elements |
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