Technician A says that an analog scope can store the waveform for viewing later. Technician B says that the trigger level has to be set on most scopes to be able to view a changing waveform. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
B
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The Orowan mechnaism, which explains the hardening effect of precipitate particles when the participates have grown to a size where they are no longer coherent with the matrix, is shown in Fig. 16.17. The strengthening arises from the fact that the disloactions must bow out between two neighboring precipitate particles. This bowing out is opposed by the line of tension of the dislocations. Ashby has deduced an equation giving the stress needed to dislocations under conditions conforming to the Orowan model. An equation giving this stress, which assumes that the particles are spherical and that the system involves iron containing carbon, may be found in Leslie, W.C., The Physical Metallurgy of Steels, McGraw Hill Book Company, New York, 1980, p.198. It is:
The roof framing at a gable end need not include studs.
Answer the following statement true (T) or false (F)
In a three-branch parallel circuit, R1 = 1.2 M?, R2 = 1 M? and RT = 0.5 M?. Calculate R3
A) 1.7 M? B) 7.7 M? C) 6 M? D) 2 M?
The three basic applications of screw threads are __________, __________, and __________________
Fill in the blank(s) with correct word