Engineering, 21.11.2019 05:31 erikap0889
4.71 a full-wave rectifier circuit with a 1-k! load operates from a 120-v (rms) 60-hz household supply through a 6-to-1 transformer having a center-tapped secondary winding. it uses two silicon diodes that can be modeled to have a 0.7-v drop for all currents. what is the peak voltage of the rectified output? for what fraction of a cycle does each diode conduct? what is the average output voltage? what is the average current in the load?
Answers: 1
Engineering, 03.07.2019 14:10
Amass of 1.5 kg of air at 120 kpa and 24°c is contained in a gas-tight, frictionless piston-cylinder device. the air is now compressed to a final pressure of 720 kpa. during the process, heat is transferred from the air such that the temperature inside the cylinder remains constant. calculate the boundary work input during this process.
Answers: 2
Engineering, 04.07.2019 18:10
Calculate the bore of a cylinder that has a stroke of 18 inches and an extension time of 6 seconds at a flow rate of 4 gal/min.
Answers: 3
Engineering, 04.07.2019 19:10
Which of the following is the most important advantage of a large field of view? a. allows larger areas to be examined b. relieves eyestrain c. minimizes parallax errors. d. increases precision in proportion to the in- crease in field of view
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Engineering, 04.07.2019 19:10
Ahelical coil spring has a mean diameter of 50 mm, a wire diameter of 5.5 mm and is wound with a pitch of 10 mm. the spring steel has an ultimate strength of 1250 mpa. find the force needed to compress the spring solid and the wire stress in this condition. state whether the spring will return to its initial length.
Answers: 1
4.71 a full-wave rectifier circuit with a 1-k! load operates from a 120-v (rms) 60-hz household sup...
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