Erythrocytes are normally produced by
A. The spleen
B. Bone marrow
C. The thymus gland
D. All of the above
E. A and C above
B
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The subsequent problems deal with the circuit shown below. Assume that the diode is ideal (i.e., has a 0V forward bias voltage).If VA=5V and VB=2V, and there is a switch that turns on both voltage sources at the same time, and there is no charge on the capacitor initially, what is voltage VD immediately after the switch is closed (i.e., the circuit is not in steady state yet)?
A. ?3 V B. 3 V C. ?2 V D. 0 E. 2 V
Technician A says that a MAF sensor actually measures the density and amount of air flowing into the engine. Technician B says a that hot wire MAF sensor uses the electronics in the sensor itself to heat a wire 70°C above the temperature of the air entering the engine. Who is right?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Which of the following are not terms associated with surface mount devices?
A) DIP B) SMD C) PLCC D) SO
Orthographic projection ____.
A. is any projection of the features of an object onto an imaginary plane called a plane of projection B. is a projection of the features of an object which is made by lines of sight that are perpendicular to the plane of projection C. is the way in which a circle will be shown in a view as completely round instead of as an ellipse D. both a and b E. all of the above