What is one common method used to construct an analog pressure sensor?
What will be an ideal response?
One of the most common methods is to let the pressure sensor operate a current generator that produces currents between 4 and 20 milliamperes. It is desirable for the sensor to produce a certain amount of current, instead of a certain amount of voltage, because it eliminates the problem of voltage drop on lines.
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2 3/4 + 1/5 - 1 2/3 = ____.
A. 57/60 B. 1 17/60 C. 1 7/20 D. 1 49/60
When is the bypass plug inside an oil pump removed?
A) When using two oil pumps in series B) When the oil pump capacity exactly matches the burner capacity C) When using a one-pipe oil delivery system D) When using a two-pipe oil delivery system
Technician Asays all electrical tools, unless they are the double-insulated type, must be grounded. Technician B says that even a properly grounded tool could cause a shock if an easier path to ground is available to the electrical current. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
A commonly used sensor that induces an AC voltage by having a rotating reluctor cut through a permanent magnetic field is used for:
A. wheel speed sensors B. transmission tailshaft speed sensors C. engine speed sensors D. all of the above