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Levels Tought:
Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | Jul 2017 |
| Last Sign in: | 337 Weeks Ago, 4 Days Ago |
| Questions Answered: | 15833 |
| Tutorials Posted: | 15827 |
MBA,PHD, Juris Doctor
Strayer,Devery,Harvard University
Mar-1995 - Mar-2002
Manager Planning
WalMart
Mar-2001 - Feb-2009
Question 1. 1. (TCO 1) Which of the following is not an alternative power system? (Points : 5)
Solar panel
Hydroelectric
Windmill
Nuclear reactor
Question 2. 2. (TCO 1) According to IPC-D-275, what is the minimum spacing (in inches) recommended when the voltage between conductors (dc or ac peak) is between 101-170? (Points : 5)
0.025
0.060
.0125
0.250
Question 3. 3. (TCO 1) If the peak ac voltage is 200 volts, the root-mean-square voltage is _____. (Points : 5)
400 volts
50 volts
200 volts
100 volts
Question 4. 4. (TCO 1) In rectification by full wave _____. (Points : 5)
the frequency is doubled
the amplitude is doubled
the period is doubled
the amplitude is halved
Question 5. 5. (TCO 1) An inverter typically uses the following components. (Points : 5)
Two switches
A transformer and a switch
A rectifier and a switch
A diode and a switch
Question 6. 6. (TCO 1) If motor drive is a cycloconverter, then the motor is connected to how many phases at a time? (Points : 5)
Four
One
Two
Three
Question 7.7. (TCOs 1 and 2) What is the critical path? (Points : 10)
Question 8.8. (TCOs 1 and 2) If the software does not allow you to create smooth arcs in your traces, what should you substitute for a right angle? (Points : 10)
Question 9.9. (TCOs 1 and 2) The common return may snake literally over the board. What is the benefit? (Points : 10)
Question 10.10. (TCO 1) Discuss the steps to identify the critical path on a circuit board. (Points : 15)
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