Engineering, 17.07.2019 23:40 josuep425
An aluminum block weighing 34 kg initially at 140°c is brought into contact with a block of iron weighing 48 kg at 60c in an insulated enclosure. determine the final equilibrium temperature and the total entropy change for this process. the specific heat of aluminum at 400 k is cp 0.949 kj/kg k. the specific heat of iron at room temperature is cp 0.45 kj/kg a)-the final equilibrium temperature is k b)-the total entropy change for this process /k.
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Engineering, 04.07.2019 18:10
What difference(s) did you notice using a pneumatic circuit over hydraulic circuit.explain why the pneumatic piston stumbles when it hits an obstacle.
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During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false
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Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2
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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
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An aluminum block weighing 34 kg initially at 140°c is brought into contact with a block of iron wei...
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