Brain Teaser – Ships
There are 5 ships in a port
Brain Teaser – A Book
A book has N pages, numbered the usual way, from 1 to N. The total number of digits in the page numbers is 1,095. How many pages does the book have?
Reidar Finsrud’s perpetual motion machine
The perpetual motion machine created by Danish artist, Reidar Finsrud is quite impressive and would make a great addition in an engineer’s living room but would a scaled up version…
Calculate the velocity of water coming out of a double-entry pipe
If we know the volumetric flow rates of the water going into the two branches, then what would be the velocity of the water coming out?
New Brain Teaser – What is that number?
There is a number less than 3000 that when divided by 2 leaves a remainder of 1, when divided by 3 leaves a remainder of 2, when divided by 4…
3 Questions for an Engineer
1. How much does a house weigh? 2. How much weight can a rural two-lane bridge hold? Click to Zoom 3. And finally, would this be covered under the home…
DISCUSS: How can Engineering Help Developing Nations Solve Critical Problems?
I was recently listening to Dr. Tony Marjoram, the former head of engineering sciences at UNESCO on his discussion on how engineering can help developing nations solve critical problems. It…
A Great Engineer and Author – Nevil Shute
Every now and then we feature engineers that have contributed significantly to our profession. These exercises are simply to remind you of the important role that we play as engineers…
Profile Engineer – Archimedes
Archimedes is know as one of the great scientists of antiquity mostly hailed for his mathematical work, his theories of mechanics and his clever use of machines in the defense…
Brain Teaser: Fill in the Blanks
Four words with the letters SNT, in that order, have all their other letters removed. You must use the letters below to fill in the blanks.
_ _ S _ N T _ _ _
S _ _ N T
S _ N _ _ T
S _ _ _ N T
Letters to use: A, A, E, E, E, I, I, L, L, Q, S, S, U, U