Are You Smarter than an Undergraduate? December 2026 - PEimpact - Recognizing the impact of PEs

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Are You Smarter than an Undergraduate? December 2026lemleonardia99p2026-02-09T10:43:16-06:00

Are you smarter than an undergraduate

PDHengineer's monthly quiz for engineers

When Holiday Cheer Meets Circuit Boards. End the year with festive designs that are brighter, bolder, and wildly unnecessary.

Question 1: Which material property is most critical for designing springs?
- Hardness
- Modulus of rigidity (shear modulus)
- Compressive strength
- Density

Question 2: Cavitation in pumps is caused by ______________.
- Too much discharge pressure
- Vapor bubbles collapsing in low-pressure regions
- Incorrect impeller rotation
- Shaft misalignment

Question 3: Which of the following is NOT a destructive test?
- Tensile test
- Ultrasonic test
- Charpy test
- Bend test

Question 4: A cooling tower is primarily used to _____________.
- Cool air directly
- Reject heat from water used in HVAC systems
- Increase air humidity
- Control duct static pressure

Question 5: What is the primary binding material in concrete?
- Sand
- Gravel
- Cement
- Water

Question 6: In series circuits, the total resistance is ____________.
- Always less than smallest resistor
- Sum of all resistances
- Equal to the average resistance
- Determined by the largest resistor only

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