We have a heat transfer fluid flowing through a id copper tube at 0.85 m/s and 300 c. evaluate the heat transfer coeficient within the tube (hal. when it is being cooled to 250 c. the properties of the fluid at 275 c are r= 881 j/kg-c kg/m3, viscosity=0.15 cp-0.00015 pa-s, k=0.133 w/m-c, cp=2372j/kg-c
a)-450 w/m b)-c 0.0791 w/m 2-c c)-11.3 w/m 2-c d)-5420 w/m 2-c e)-2070 w/m 2-c

answer: the rock sample is a sedimentary rock.

explanation:

it is given that:

mass of rock sample, m = 2.7 g

volume of rock sample,

so, density of rock sample will be

since, the density of rock sample is . hence, the rock sample is a sedimentary rock, whose densities varies between .

d.7.5cm is your answer

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