Are You Smarter than an Undergraduate? June 2023 - PEimpact - Recognizing the impact of PEs

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Are You Smarter than an Undergraduate? June 2023PEimpact KH2023-06-09T15:14:29-06:00

Are you smarter than an undergraduate

PDHengineer's monthly quiz for engineers

Is FATHER’S DAY the day to score high marks on this month’s quiz? Here’s the June 2023 Pop Quiz for Engineers. Are you smarter than an undergraduate?

Question 1: Concrete shrinks because it loses ______ during hardening.
- aggregate
- sand
- moisture
- None of the above

Question 2: In digital circuits, a “Bit” is a variable that _______.
- Can only take on the values of 0 or 1
- Can take on an infinite number of values
- Is always less than zero
- Is an imaginary number

Question 3: The constant failure rate during normal service for a piece of equipment is 0.0001 failures per operating hour. What is the mean time to failure?
- 1,000 operating hours
- 5,000 operating hours
- 10,000 operating hours
- 100,000 operating hours

Question 4: The primary function of an after-cooler in a compressed air system is to _______.
- Increase the efficiency of the compressor
- Cause moisture and oil vapor to drop out
- Increase the dew point of the air
- Reduce the volume of air lost to leakage

Question 5: The shear strength of soil (S) is expressed in terms of __________________.
- Adhesion, unit weight and friction angle
- Cohesion, normal stress and unit weight
- Cohesion, normal stress and friction angle
- None of the above

Question 6: Which of the following influences the creep phenomenon in materials?
- Load
- Time exposure
- Temperature
- All of the above

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