Engineering, 25.01.2020 07:31, superfly903
(a) the lattice constant of gaas is 5.65 å. determine the number of ga atoms andas atoms per cm 3 .
( b ) determine the volume density of germanium atoms in a germa-nium semiconductor. the lattice constant of germanium is 5.65 å.
Answers: 3
Engineering, 04.07.2019 18:10, settasav9641
Abrake has a normal braking torque of 2.8 kip in and heat-dissipating cast-iron surfaces whose mass is 40 lbm. suppose a load is brought to rest in 8.0 s from an initial angular speed of 1600 rev/min using the normal braking torque; estimate the temperature rise of the heat dissipating surfaces.
Answers: 3
Engineering, 04.07.2019 18:10, johnthienann58
Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
Answers: 2
Engineering, 04.07.2019 18:10, soreese02
An ideal otto cycle with air as the working fluid has a compression ratio of 8. the minimum and maximum temperatures in the cycle are 300 k and 1340 k. use constant specific heats at room temperature to determine (a) the amount of heat transferred to the air during the heat- addition kj/kg, (b) the thermal efficiency, and (c) the thermal efficiency of a carnot cycle ope limits. process, in rating between the same temperature
Answers: 2
(a) the lattice constant of gaas is 5.65 å. determine the number of ga atoms andas atoms per cm 3 ....
Mathematics, 15.04.2020 00:02
Mathematics, 15.04.2020 00:02