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What are critical dimensions necessary in the tolerance stack-up/loop to minimize the part gap?
|
|
1
|
909
|
July 10, 2024
|
|
You are designing a steel beam to minimize deflection for a given force and avoid permanent deformation. Which material property should be maximized?
|
|
1
|
1359
|
February 2, 2024
|
|
What's the working principle behind common analog sensors? (strain gauge, thermocouples, etc.)
|
|
0
|
319
|
December 23, 2023
|
|
What are common DFM guidelines for Sheet Metal Design, and how would you stiffen a part made from sheet metal?
|
|
1
|
948
|
January 5, 2024
|
|
On the material datasheet of most polymers, the glass transition temperature, Tg, is provided. What does the glass transition temperature refer to?
|
|
1
|
859
|
January 5, 2024
|
|
What are the following GD&T symbols, and what tolerance & surface does it control?
|
|
0
|
834
|
August 2, 2023
|
|
What are considerations for designing an injection molded part, like on the back-paneling of a consumer product?
|
|
1
|
543
|
June 14, 2024
|
|
For a screwed connection, what condition will the bolt experience no shear load?
|
|
0
|
679
|
August 2, 2023
|
|
A machine includes a bronze cart sliding horizontally on steel rails. The design is changed to add a 15° angle to the rails and cart without changing any other features. How does the sliding friction of the two designs compare?
|
|
1
|
490
|
July 5, 2024
|
|
Mystery Circuit 1
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|
1
|
396
|
September 4, 2023
|
|
What is the value of the output voltage in a passive low pass RC filter?
|
|
1
|
380
|
April 20, 2024
|
|
You have a mass of 1 kg that you want to drive to the end of a 1 m long horizontal rail in 10 seconds. Determine the minimum power requirement for a linear actuator
|
|
0
|
517
|
August 2, 2023
|
|
Truss Loading: Force Calculation & Displacement
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|
0
|
400
|
December 11, 2023
|
|
Motor Sizing - Torque & Power Calculations + Safety Considerations
|
|
0
|
372
|
December 11, 2023
|
|
What is the value of V_out in this operational amplifier circuit?
|
|
0
|
360
|
August 2, 2023
|
|
Draw an I-V curve for a diode. How you interpret the graph in terms of the diode's behavior?
|
|
1
|
275
|
April 20, 2024
|
|
Draw the schematics for a simple first-order low-pass filter
|
|
1
|
247
|
May 18, 2024
|
|
What are the three main properties of an ideal operational amplifier?
|
|
1
|
278
|
May 18, 2024
|
|
What is the skin effect in conductors?
|
|
1
|
254
|
April 20, 2024
|
|
When does a motor or solenoid maximize and minimize power?
|
|
1
|
230
|
May 18, 2024
|
|
How would you design a heat shield for a spacecraft re-entering Earth's atmosphere?
|
|
0
|
291
|
January 3, 2024
|
|
What types of sensors would you install on a launch vehicle?
|
|
0
|
318
|
December 21, 2023
|
|
What is the Free Body Diagram of an accelerator throttle pedal assembly?
|
|
0
|
278
|
January 16, 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
|
162
|
June 17, 2024
|
|
Electrical Concepts to Review
|
|
0
|
297
|
December 28, 2023
|
|
How does the refrigeration cycle work?
|
|
0
|
236
|
January 16, 2024
|
|
What's the difference between a ramjet and scramjet?
|
|
0
|
231
|
February 9, 2024
|
|
How would you design a pressure gauge?
|
|
0
|
230
|
January 21, 2024
|
|
Rank a set of materials by density and strength/weight ratio
|
|
0
|
222
|
January 24, 2024
|
|
What is the takeoff distance for a given aircraft?
|
|
0
|
218
|
January 21, 2024
|
|
Why can't you simply make a chip bigger to fit more transistors?
|
|
0
|
222
|
January 9, 2024
|
|
How would you test a vessel to ensure its readiness for launch?
|
|
0
|
189
|
January 29, 2024
|
|
OP Amps: Common Mode vs Differential
|
|
0
|
206
|
January 9, 2024
|
|
P vs n type semiconductors
|
|
0
|
175
|
January 9, 2024
|
|
What is the difference between a lumped element and distributed circuit model?
|
|
0
|
121
|
June 7, 2024
|
|
What does the power factor of a system describe? What are typical examples of power factors for different loads
|
|
0
|
100
|
June 7, 2024
|
|
How can two-port network theory be used to analyze power systems?
|
|
0
|
95
|
June 7, 2024
|
|
Define the RF and microwave bandwidths, what is the physical reality of this definition of this in terms of circuit geometry
|
|
0
|
55
|
July 4, 2024
|
|
What is the operating principle of an ac transformer? How is equivalent functionality achieved in DC systems
|
|
0
|
57
|
July 4, 2024
|
|
Elaborate on why 3 phase power systems are used
|
|
0
|
57
|
July 4, 2024
|
|
How would you synchronize a generator to a 60Hz grid using only test lights?
|
|
0
|
50
|
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
|
49
|
July 4, 2024
|
|
How does a coaxial cable work?
|
|
0
|
52
|
July 4, 2024
|
|
Discuss a few methods of impedance matching, using both discrete and distributed components
|
|
0
|
47
|
July 4, 2024
|
|
Discuss briefly some examples of non-traditional performance motor topologies used in electric vehicles
|
|
0
|
50
|
July 4, 2024
|
|
Describe how system harmonics can affect power factor
|
|
0
|
48
|
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
|
48
|
July 4, 2024
|
|
Describe the difference between synchronous and induction motors/generators
|
|
0
|
47
|
July 4, 2024
|
|
Explain the principal differences between direct current and alternation current in terms of how power is transmitted?
|
|
0
|
42
|
July 4, 2024
|
|
Why is impedance matching required in RF/microwave circuits?
|
|
0
|
42
|
July 4, 2024
|