Engineering, 27.06.2020 19:01 goodperson8449
Problem 1: (undergraduate and graduate) A 480V/120V transformer has a rated current of 20 amps on the low voltage side. 1. Find the rated current on the high voltage side 2. Find the Power rating S in VA 3. Find the Base Impedance on the high voltage side 4. Find the Base Impedance on the low voltage side 5. Find the ratio of the base impedances and relate it to the turns ratio
Answers: 2
Engineering, 03.07.2019 15:10
If you were designing a bumper for a car, would you prefer it to exhibit elastic or plastic deformation? why? consider the functions of a bumper in both a minor "fender-bender" and a major collision.
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Engineering, 04.07.2019 18:10
If a particle moves along a path such that r : (3 sin t) m and ? : 2t rad, where t is in seconds. what is the particle's acceleration in m/s in 4 seconds? a)- 16.43 b)- 16.29 c)- 15.21 d)- 13.79
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Engineering, 04.07.2019 18:10
Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.
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Engineering, 04.07.2019 18:20
Select any two (2) areas of applications of chain-drive. (clo4) a)-permanent lubrication necessary b)-hydraulic forklift truck operation c)-rigging and heavy moving materials d)-relatively high maintenance costs e)-costlier than belt drives
Answers: 2
Problem 1: (undergraduate and graduate) A 480V/120V transformer has a rated current of 20 amps on th...
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