1. The absolute load torque TLOAD produced by the Dynamometer is equal to a. TF(
ID: 2081506 • Letter: 1
Question
1. The absolute load torque TLOAD produced by the Dynamometer is equal to a. TF(BELT TF(DYN.). b. TM(DYN). c. TF(DYN TM (DYN.). d. TF (BELT) TF (DYN TM(DYN.). What does the Dynamometer display indicate when a. The sum of the dynamometer friction torque TF(DYN.) and belt friction torque TF(BEL) b. The magnetic torque produced by the Dynamometer to oppose rotation TM(DYN.) c. The torque which the motor coupled to the Dynamometer must produce to overcome the magnetic torque TM(DYN.), ie. the inverse of TM (DYN.). The load torque TLOAD produced by the Dynamometer. 3. Why is the torque indicated on the Dynamometer display zero when a motor drives the Dynamometer and the LOAD CONTROL knob is set to minimum? a. The display is probably defective Because the torque indicated on the Dynamometer display is the torque which the motor must produce to overcome torque TM(DYN) and that TM(DYN.) is zero when the LOAD CONTROL is set to minimum. Because the torque indicated on the Dynamometer display is the load torque TLOAD and that this torque is zero when the LOAD CONTROL is set to minimum. Because the torque indicated on the Dynamometer display is the dynamometer friction torque and that this torque is zero when the LOAD CONTROL is set to minimumExplanation / Answer
1) D. TF(Belt) + TF(Dyn) + TM(Dyn)
2) A
3) D
4) C, Did not vary
5) C the output torque Tout of the motor coupled to the dynamometer minus the belt friction torque.
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