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What is the optimum pumping rate for this oil rig |
1smartengineer |
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7735 |
September 01, 2009, 03:20:23 PM
1smartengineer |
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999999999999999 = 1990 |
admin |
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7644 |
September 01, 2009, 11:06:09 PM
admin |
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Which of these two bridges would be stronger? |
admin |
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7808 |
September 03, 2009, 06:33:42 PM
admin |
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What number comes next in this series? |
admin |
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6714 |
September 03, 2009, 06:34:10 PM
admin |
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Level of water in glass |
Heinz R. |
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7277 |
November 01, 2009, 05:31:31 PM
Heinz R. |
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wall thickness |
Heinz R. |
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8504 |
November 01, 2009, 05:37:36 PM
Heinz R. |
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Determine the code to open the briefcase |
admin |
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8982 |
January 24, 2010, 08:18:36 PM
admin |
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Calculate the velocity of water coming out of a double-entry pipe |
admin |
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15755 |
March 06, 2010, 11:43:09 PM
admin |
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Brain teaser - Two Ostrich Breeders |
1smartengineer |
1 |
9243 |
November 01, 2009, 05:12:53 PM
Heinz R. |
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Consider a vertical wheel of radius 10 cm |
1smartengineer |
1 |
12390 |
November 01, 2009, 05:02:36 PM
Heinz R. |
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This riddle must be done IN YOUR HEAD and NOT using paper and a pen |
1smartengineer |
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8311 |
November 01, 2009, 05:04:11 PM
Heinz R. |
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When will be the next time the hands of a clock will be aligned with each other? |
admin |
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8210 |
November 01, 2009, 04:54:20 PM
Heinz R. |
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How many earrings are being worn in this village? |
admin |
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8412 |
November 01, 2009, 04:58:58 PM
Heinz R. |
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Did you pay attention in the engineering dynamics class? |
admin |
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8492 |
November 03, 2009, 07:54:22 AM
Heinz R. |
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Easy algebra |
admin |
1 |
8568 |
November 03, 2009, 08:04:40 AM
Heinz R. |
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200W vs. 50W bulb |
admin |
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22111 |
November 04, 2009, 09:45:47 AM
admin |
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