Question
A mine has only one district at a distance of 500m from the bottom of the shafts. The average size of roadways is 4.3m x
A mine has only one district at a distance of 500m from the bottom of the shafts. The average size of roadways is 4.3m x 2.7m and average velocity of air is 320m per min. find out the pressure difference at the pit-bottom ( value of K is 0.001)
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Fundamentals of Physics
Authors: Jearl Walker, Halliday Resnick
8th Extended edition
471758019, 978-0471758013
