Engineering, 21.08.2019 05:30 jakemendes1
Apot holding 0.75 liter of water at 20°c is placed on a burner (state 1). the burner electric power is turned to 800 w. because the pot is open to the atmosphere, the pressure remains constant during the entire process and equal to 100 kpa. the water eventually reaches a saturated liquid condition (state 2) at which it begins to boil. the boiling process continues just until all the saturated liquid evaporates (state 3) . a. draw the process on a t-v diagram. b. draw the process on a p-v diagram. c. determine the time between state 1 and state 2. d. determine the time between state 2 and state 3
Answers: 2
Engineering, 03.07.2019 14:10
Amass of 1.5 kg of air at 120 kpa and 24°c is contained in a gas-tight, frictionless piston-cylinder device. the air is now compressed to a final pressure of 720 kpa. during the process, heat is transferred from the air such that the temperature inside the cylinder remains constant. calculate the boundary work input during this process.
Answers: 2
Engineering, 04.07.2019 18:10
Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.
Answers: 3
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
Burgers vector is generally parallel to the dislocation line. a)-true b)-false
Answers: 2
Apot holding 0.75 liter of water at 20°c is placed on a burner (state 1). the burner electric power...
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