Tech A says that the MIL can turn off if the fault doesn’t reappear in a certain number of tests. Tech B says that when an MIL is activated, the PCM stores the DTC until a predetermined number of drive cycles have been performed or cleared by a scan tool. Who is correct? Group of answer choices

Burgers vector is generally parallel to the dislocation line. a)-true b)-false

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?

Acertain flow of air (at stp) has a velocity distribution given by v i (in ft/s). if this flow is going through a 4 ft square area in the yz-plane (centered at the origin), what is the mass flow rate (in lbm/s)?