Engineering, 24.10.2019 17:43 245cat
Problem statement: the curved boundaries of the shape shown are quarter circles. given the dimensions above, find: ββ the x location of the centroid of the shape, ββ the y location of the centroid of the shape, ββ the second moment of area of the shape about the x axis, ββ the second moment of area of the shape about the y axis ββ the second moment of area of the shape about a horizontal axis passing through the centroid of the shape ββ the second moment of area of the shape about a vertical axis passing through the centroid of the shape
Answers: 3
Engineering, 04.07.2019 18:10
The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false
Answers: 2
Engineering, 04.07.2019 18:10
Give heat transfer applications for the following, (i) gas turbines (propulsion) ) gas turbines (power generation). (iii) steam turbines. (iv) combined heat and power (chp). (v) automotive engines
Answers: 1
Engineering, 04.07.2019 18:10
Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20Β°c. the pipe has an outer surface temperature of 65Β°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk
Answers: 1
Engineering, 04.07.2019 18:10
Assuming compressible flow of air and that the measurements are done at flagstaff a pitot static tube that gives the difference of total and static pressure measures 0.35 m of mercury. what is the velocity of air? assume the temperature to be 300k. (submit your excel or matlab calculation sheet)
Answers: 1
Problem statement: the curved boundaries of the shape shown are quarter circles. given the dimensio...
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