Engineering, 12.08.2020 06:01 evanwall91
Below are listed the atomic weight, density and atomic radius for three hypothetical metal alloys. For each determine whether its crystal structure is FCC, BCC, or simple cubic and then justify your determination.
Alloy
A
B
C
Atomic
Weight
(g/mol)
43.1
184.4
91.6
Density
(g/cm
3)
6.40
12.30
9.60
Atomic
Radius
(nm)
0.122
0.146
0.137
Answers: 1
Engineering, 04.07.2019 18:10
Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise
Answers: 3
Engineering, 04.07.2019 18:20
Athin walled concentric tube exchanger is used to cool engine oil from 160°c to 60°c with water that is available at 25°c acting as a coolant. the oil and water flow rates are each at 2 kg/s, and the diameter of the inner tube is 0.5 m and the corresponding value of the overall heat transfer coefficient is 250 w/m2. oc. how long must the heat exchanger be to accomplish the desired cooling? cpwater=4.187 kj/kg-candcpengine el=2.035 kj/kg·°c, oil . 120]
Answers: 1
Engineering, 04.07.2019 18:20
Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?
Answers: 3
Engineering, 04.07.2019 18:20
For each of the following process: a) sketch the p-v diagram, b)sketch t-s diagram, c) sketch t-v diagram, d) sketch the boundary work on one of the diagrams (a, b or c) and e) sketch the reversible heat transfer on one of the diagrams (a, b or c): 1- isobaric process from compressed liquid to superheated vapor 2- isothermal process from compressed liquid to superheated vapor 3- isentropic process from compressed liquid to superheated vapor
Answers: 3
Below are listed the atomic weight, density and atomic radius for three hypothetical metal alloys. F...
Mathematics, 27.03.2021 01:40
Mathematics, 27.03.2021 01:40
English, 27.03.2021 01:40
Chemistry, 27.03.2021 01:40
Physics, 27.03.2021 01:40
Mathematics, 27.03.2021 01:40
Mathematics, 27.03.2021 01:40
Mathematics, 27.03.2021 01:40
Social Studies, 27.03.2021 01:40
Mathematics, 27.03.2021 01:40
History, 27.03.2021 01:40
Mathematics, 27.03.2021 01:40