Skip to content

Are You Smarter than an Undergraduate? October 2026

Home
Are You Smarter than an Undergraduate? October 2026

Are You Smarter than an Undergraduate? October 2026andreya965yh2026-10-13T14:55:12-05:00

Are you smarter than an undergraduate

Some Failures Still Haunt Us. Uncover the spooky side of engineering mistakes that refuse to stay buried.

PDHengineer's monthly quiz for engineers

Question 1: What is the main cause of concrete shrinkage cracks?

Excessive cement content

Loss of water during curing

Too much coarse aggregate

Rapid strength gain

Question 2: Which type of corrosion produces small, deep cavities in metals?

Galvanic corrosion

Pitting corrosion

Stress corrosion

Erosion corrosion

Question 3: Net Positive Suction Head (NPSH) is important to prevent _______________.

Pressure drop

Cavitation

Friction losses

Flow reversal

Question 4: The SI unit of heat is ________.

Watt

Joule

Calorie

Kelvin

Question 5: In reinforced concrete design, steel reinforcement is provided to ______________.

Resist compressive stress

Resist tensile stress

Reduce shrinkage

Provide ductility only

Question 6: The hydraulic radius in hydrology is defined as ____________.

Area divided by slope

Area divided by discharge

Area divided by wetted perimeter

Velocity divided by depth

Return to PEimpact blog home page

Return to PDHengineer home page

©2026 PDHengineer, all rights reserved