In each issue of the Automation Notebook we feature a section of brainteasers. These are the brainteaser answers from Issue 21, 2011 of the Automation Notebook. The brainteaser questions are repeated in black. The answers to the brainteaser questions are highlighted in red with explanations. You can view the brainteasers from Issue 21, 2011 without the answers…

1. Queue See The non-automated assembly line at Widgets”R”Us is notorious for its uneven quality – and its eccentric QC inspectors. After a full day’s production the three person Quality Control team evaluated the finished parts. Lisa initially flagged half of all the parts as defective, but on further inspection she cleared 10 of the…

In each issue of the Automation Notebook we feature a section of brainteasers. These are the brainteaser answers from Issue 20, 2011 of the Automation Notebook. The brainteaser questions are repeated in black. The answers to the brainteaser questions are highlighted in red with explanations. You can view the brainteasers from Issue 20, 2011 without the answers…

  1. Shopping Cart Jumble An engineer went to: www.AutomationDirect.com to purchase some high-value automation parts. She purchased various quantities of three parts: proximity sensors at $50 each, Stable motor mounting bases at $10 each, and Nitra pneumatic fittings at $0.50 each. She purchased a total of 100 parts, and spent exactly $1000 dollars (qualifying…

In each issue of the Automation Notebook we feature a section of brainteasers. These are the brainteaser answers from Issue 16, 2010 of the Automation Notebook. The brainteaser questions are repeated in black. The answers to the brainteaser questions are highlighted in red with explanations. You can view the brainteasers from Issue 16, 2010 without the answers here: http://library.automationdirect.com/brainteasers-issue-16-2010/…

1. Is bigger really better? Let’s say your goal is to reduce gasoline consumption. And, let’s say there are only two kinds of cars in the world. Half of them are Suburbans that get 10 miles to the gallon and half are Priuses that get 50. If we assume that all the cars drive the same number…

In each issue of the Automation Notebook we feature a section of brainteasers. These are the brainteaser answers from Issue 17, 2010 of the Automation Notebook. The brainteaser questions are repeated in black. The answers to the brainteaser questions are highlighted in red with explanations. You can view the brainteasers from Issue 17, 2010 without the answers…

1. Top cat? Top dog? The combined weight of the factory’s resident dog and cat is 27 lbs. The dog’s weight is an odd number, yet the cat’s is even. If his weight is twice that of hers, what do each of them weigh? 2. Bookworm The AutomationDirect Catalog has gotten thicker each time we’ve printed…

In each issue of the Automation Notebook we feature a section of brainteasers. These are the brainteaser answers from 13, 2009 of the Automation Notebook. The brainteaser questions are repeated in black. The answers to the brainteaser questions are highlighted in red with explanations. You can view the brainteasers from Issue 13, 2009 without the answers here: http://library.automationdirect.com/brainteasers-issue-13-2009/…