Tech A says that some battery corrosion cannot be seen beneath the insulation of the cables. Tech B says that an engine cranking voltage drop test is the best way to detect high resistance caused by corrosion. Who
is correct?
Select one:

a. Technician A

b. Technician B

c. Both Technician A and B

d. Neither Technician A nor B

Ahot wire operates at a temperature of 200°c while the air temperature is 20°c. the hot wire element is a tungsten wire of 5 um diameter and 2 mm in length. plot using excel current, heat transfer and heat generated by the wire for air velocity varying from 1-10 m/s in steps of lm/s? matlab the sensor voltage output, resistance, or assume nu 0.989 re033pr13 take air properties at tr (200°c20°c)/2 = 110°c properties of tungsten: c 0.13 kj/kg.k 3 p 19250 kg/m k (thermal conductivity) = 174 w/m.k