Engineering, 05.11.2020 18:30 flamingtacos4026
Two full-sized a × c-mm boards are nailed to a b x c-mm board and the resulting beam that is subjected to a vertical shear of 1700 N. Knowing that the allowable shearing force in each nail is 75N, determine the allowable spacing s that can be used between each pair of nails. Asume a=55 mm, b=55 mm and c=95 mm. Using a suitable cutout, passing through only the nails, the first moment of the area about the z-axis is calculated as x10-4 (m3)
Answers: 3
Engineering, 04.07.2019 19:10
Estimate the change in specific internal energy au and specific enthalpy h from inlet to outlet for ethylene glycol (a liquid) flowing through each of the following devices: (a) a heat exchanger where the glycol temperature increases from 20 °c to 80 °c; (b) a pump operating at about 25 °c and increasing the glycol pressure from 100 kpa to 8 mpa.
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Engineering, 04.07.2019 19:20
The process in which the system pressure remain constant is called a)-isobaric b)-isochoric c)-isolated d)-isothermal
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Engineering, 06.07.2019 02:30
Around steel bar, made from material with a yield stress of 750mpa, is loaded so that it has stresses co locations of maximum normal stress and maximum shear stress. use maximum shear stress and maximum distortion energy theories to calculate the safety factors for initial yielding failures.
Answers: 3
Engineering, 06.07.2019 03:10
Two slings are used to lift a girder of length l and uniform weight per unit length. what is the best position for the slings if the bending moment due to the weight of the girder is to be kept to a minimum?
Answers: 2
Two full-sized a × c-mm boards are nailed to a b x c-mm board and the resulting beam that is subject...
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