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How would you design a satellite that orbits the earth and passively maintains a temperature of 300K +/- 10K?
|
|
2
|
1944
|
September 12, 2024
|
|
Glued/Non-glued cantilever beam
|
|
1
|
1557
|
September 9, 2024
|
|
A steel cantilevered I-beam is welded to a wall has some load applied at the end. Where would it fail?
|
|
0
|
1843
|
August 30, 2024
|
|
CNC vs other techniques
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|
3
|
1248
|
July 31, 2024
|
|
How does modulation work? Describe the basic principle of how a messenger and carrier frequency can be used together
|
|
0
|
635
|
July 31, 2024
|
|
Discuss different classes of transistor amplifiers
|
|
0
|
708
|
July 31, 2024
|
|
What are radiated and conducted emissions, what is the difference between each?
|
|
0
|
749
|
July 17, 2024
|
|
What is electromagnetic compliance? Why is this important for a device
|
|
0
|
600
|
July 17, 2024
|
|
Describe the operating principle of RADAR
|
|
0
|
597
|
July 17, 2024
|
|
How does a coaxial cable work?
|
|
0
|
768
|
July 4, 2024
|
|
Discuss a few methods of impedance matching, using both discrete and distributed components
|
|
0
|
700
|
July 4, 2024
|
|
Why is impedance matching required in RF/microwave circuits?
|
|
0
|
810
|
July 4, 2024
|
|
Talk through some of the basic terms in an RF circuit. What is a transmission line and how are voltage and current defined at each point
|
|
0
|
728
|
July 4, 2024
|
|
Define the RF and microwave bandwidths, what is the physical reality of this definition of this in terms of circuit geometry
|
|
0
|
766
|
July 4, 2024
|
|
What is the operating principle of an ac transformer? How is equivalent functionality achieved in DC systems
|
|
0
|
746
|
July 4, 2024
|
|
What are the base and peak loads of a generation system, which methods of power generation and storage are suitable for each?
|
|
0
|
776
|
July 4, 2024
|
|
How are harmonic currents created. How can high frequency harmonics be mitigated in power transmission
|
|
0
|
587
|
July 4, 2024
|
|
Discuss briefly some examples of non-traditional performance motor topologies used in electric vehicles
|
|
0
|
661
|
July 4, 2024
|
|
What are the advantages and disadvantages of high voltage DC transmission lines?
|
|
0
|
1020
|
July 4, 2024
|
|
Elaborate on why 3 phase power systems are used
|
|
0
|
792
|
July 4, 2024
|
|
Describe the difference between synchronous and induction motors/generators
|
|
0
|
695
|
July 4, 2024
|
|
How would you synchronize a generator to a 60Hz grid using only test lights?
|
|
0
|
634
|
July 4, 2024
|
|
Describe how system harmonics can affect power factor
|
|
0
|
659
|
July 4, 2024
|
|
Explain the principal differences between direct current and alternation current in terms of how power is transmitted?
|
|
0
|
683
|
July 4, 2024
|
|
What does the power factor of a system describe? What are typical examples of power factors for different loads
|
|
0
|
830
|
June 7, 2024
|
|
If two vehicles are identical, except for one weighing twice as much as the other vehicle, and they roll down a hill, which car reaches the bottom first?
|
|
9
|
22520
|
June 24, 2024
|
|
Walk me through the different materials used on the visible exterior of your phone, why those specific materials might be used, and how they are manufactured
|
|
2
|
4891
|
June 19, 2024
|
|
In the context of injection molding, can you explain the difference between a slide and a lifter? Specifically, how do they operate, and in what situations would you use each mechanism?
|
|
1
|
2872
|
June 17, 2024
|
|
What are considerations for designing an injection molded part, like on the back-paneling of a consumer product?
|
|
1
|
1704
|
June 14, 2024
|
|
How can two-port network theory be used to analyze power systems?
|
|
0
|
743
|
June 7, 2024
|