Engineering, 22.07.2021 06:20 ledtje03
Tính năng suất của máy ủi khi sử dụng nó để san phẳng mái taluy nên đường. Biết
rằng cự ly san 100m; góc tạo giữa mép lưỡi và trục dọc máy ủi 15 0 ; thời gian quay
máy 30s; tốc độ san 10m/s; số lần san qua lại 1 chỗ là 5; chiều dài lưỡi ủi 3m; hệ
số sử dụng thời gian là 0,2.
Answers: 3
Engineering, 04.07.2019 18:10
Condition monitoring is a major component of. (clo4) a)- predictive maintenance. b)-preventive maintenance c)-proactive maintenance d)-reactive maintenance.
Answers: 1
Engineering, 04.07.2019 18:20
Find the kinematic pressure of 160kpa. for air, r-287 j/ kg k. and hair al viscosity of air at a temperature of 50°c and an absolute (10 points) (b) find the dynamic viscosity of air at 110 °c. sutherland constant for air is 111k
Answers: 3
Engineering, 04.07.2019 18:20
Atank with constant volume contains 2.27 kg of a mixture of water phases (liquid-vapor). in the initial state the temperature and the quality are 127 °c and 0.6, respectively. the mixture is heated until the temperature of 160 oc is reached. illustrate the process in a t-v diagram. then, determine (1) the mass of the vapor in kg at the initial state, (2) the final pressure in kpa.
Answers: 3
Engineering, 04.07.2019 19:20
Aseries piping system conveys methyl alcohol. the system consists of 70 m of 1- nominal pipe follow by 50 m of 2-nominal pipe, both schedule 40 commercial steel. the 1-nominal pipe contains 3 90° elbows (regular) anda fully open gate valve, all threaded. the pressure drop through the system is 150 kpa. determine the volume flow rate through the system that is horizontally laid.
Answers: 1
Tính năng suất của máy ủi khi sử dụng nó để san phẳng mái taluy nên đường. Biết
rằng cự ly san 100m...
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