Engineering, 02.08.2021 05:40 KalistaBab

- Chọn cấu kiện cần tính toán (cột BTCT, Cột thép, dàn thép….) (tham khảo những đồ án đã làm trong phần thiết kế)

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Engineering, 04.07.2019 16:10, TheOriginalMeyah

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Engineering, 04.07.2019 19:10, juneham

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 19:10, moneyyfletcher

The air in an automobile tire with a volume of 0.015 m3 is at 32°c and 140 kpa gage. determine the amount of air that must be added to raise the pressure to the recommended value of 206 kpa gage. assume the atmospheric pressure to be 128 kpa and the temperature and the volume to remain constant.[r-0.287 kj/kgk]

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Engineering, 06.07.2019 02:30, Nonniel0v3

An electric motor is used to drive a power press which makes steel turning moment diagrams 323 pressings from a metal sheet. the motor runs at a mean speed of 50 rev/s. the torque required is 10.0nm for 0.2s, followed by 1.0nm for0.3 s with this sequence then being repeated. what is the minimum power required of the motor and the moment of incrtia required for the t1ywhcel if the speed fluctuations are to be restricted to 1.5%?

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- Chọn cấu kiện cần tính toán (cột BTCT, Cột thép, dàn thép….) (tham khảo những đồ án đã làm trong p...