Engineering, 25.10.2021 14:00 mariiuuuh
Một đường dây 10KV cấp điện cho 2 phụ tải có thông số như 2AC-50,5Km, AC-50, 3Km. Hãy xác định giá tiền tổn thất điện năng 1 năm trên đường dây, biết X0=0,4 (Ω/Km), c=500(đ/KWh)
Answers: 1
Engineering, 03.07.2019 14:10
Line joining liquid phase with liquid and solid phase mixture is known as: a) liquidus b) solidus c) tie line d) none of the mentioned
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Engineering, 04.07.2019 18:10
During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false
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Engineering, 04.07.2019 18:10
Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.
Answers: 2
Engineering, 04.07.2019 18:10
Aturning operation is performed with following conditions: rake angle of 12°, a feed of 0.35 mm/rev, and a depth of cut of 1.1 mm. the work piece is aluminum alloy 6061 with t6 heat treatment (a16061-t6). the resultant chip thickness was measured to be 1.0 mm. estimate the cutting force, fc. use shear stress of 207 mpa and coefficient of friction on the tool face of 0.6.
Answers: 1
Một đường dây 10KV cấp điện cho 2 phụ tải có thông số như 2AC-50,5Km, AC-50, 3Km. Hãy xác định giá t...
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