Engineering, 25.10.2021 01:00 robert7248
Thiết kế mạch điện logic có 4 ng tilde o vào D, C, B và A. Ngõ ra y ở mức HIGH chỉ khi có 2
ngõ vào là mức LoW
a. Lập bảng sự thật đầy đủ cho cho hàm y.
b. Viết và rút gọn hàm y.
c. Vẽ sơ đồ mạch logic cho hàm y rút gọn dùng các cổng logic.
Answers: 2
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Engineering, 04.07.2019 18:10
Water at 70°f and streams enter the mixing chamber at the same mass flow rate, determine the temperature and the quality of the exiting stream. 0 psia is heated in a chamber by mixing it with saturated water vapor at 20 psia. if both streams enters the mixing chamber at the same mass flow rate, determine the temperature and the quality of the existing system.
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Engineering, 04.07.2019 18:10
Water at the rate of 1 kg/s is forced through a tube with a 2.5 cm inner diameter. the inlet water temperature is 15°c, and the outlet water temperature is 50°c. the tube wall temperature is 14°c higher than the local water temperature all along the length of the tube. what is the length of the tube?
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Engineering, 04.07.2019 19:20
Apreheater involves the use of condensing steam at 100°c on the inside of a bank of tubes to heat air that enters at 1 atm and 25°c. the air moves at 5 m/s in cross flow over the tubes. each tube is 1 m long and has an outside diameter of 10 mm. what is the minimum value of nl needed to achieve an outlet temperature of t 75 c? what is the corresponding pressure drop across the tube bank?
Answers: 3
Thiết kế mạch điện logic có 4 ng tilde o vào D, C, B và A. Ngõ ra y ở mức HIGH chỉ khi có 2
ngõ và...
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