Because there are 24 hours in one day , one hour fills the first tap 1 / 48 , the second tap 1 / 72 , the third tap 1 / 96 and the fourth tap fills 1 / 6 of the reservoir . That is all together ( 6 + 4 + 3 + 48 ) / 288 = 61 / 288 . The reservoir will be full in 288 / 61 hours , which is 4 hours 43 minutes and about 17 seconds .
Correct Answers Submitted By : Jeffrey Lloyd , PE , WSP Erich Adler , EIT , SLR Bruce Scamman , PE , JVA Nils Gonzalez , PE , Hoyle Tanner Jeanne Walker , PE , Asst . Town Manager , Bedford , NH Frank Koczalka , PE , VHB Harrison Roakes , PE , Sanborn Head & Assoc ., Inc . David Romero , PE , Commonwealth Engineering , Inc .
FEBRUARY CAN YOU OPEN THE LOCK ?
The following digits are clues to opening a three digit lock . Can you open the lock with the correct digits ?
682 One digit is right , and in its place . 614 One digit is right , but in the wrong place 206 Two digits are right , but both are in the wrong place . 738 All digits are wrong 380 One digit is right , but in the wrong place .
Please send your answers to Thomas Selling via e-mail : thomasselling @ me . com Correct responses will be recognized in the future issues of the New Hampshire Civil Engineer
JANUARY SOLUTION
Because there are 24 hours in one day , one hour fills the first tap 1 / 48 , the second tap 1 / 72 , the third tap 1 / 96 and the fourth tap fills 1 / 6 of the reservoir . That is all together ( 6 + 4 + 3 + 48 ) / 288 = 61 / 288 . The reservoir will be full in 288 / 61 hours , which is 4 hours 43 minutes and about 17 seconds .
Correct Answers Submitted By : Jeffrey Lloyd , PE , WSP Erich Adler , EIT , SLR Bruce Scamman , PE , JVA Nils Gonzalez , PE , Hoyle Tanner Jeanne Walker , PE , Asst . Town Manager , Bedford , NH Frank Koczalka , PE , VHB Harrison Roakes , PE , Sanborn Head & Assoc ., Inc . David Romero , PE , Commonwealth Engineering , Inc .