22-01. SENSORS AND INSTRUMENTS
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1. The disadvantages of a single-phase AC generator tachometer are:
1) the presence of spurious signals due to a DC generator commutator
2) the importance of line resistance on the information value
3) the influence of temperature on the tachometer information
The combination regrouping all the correct statements is:
2. Absolute pressure is:
3. The main advantage of a ratiometer-type temperature indicator is that it:
4. The electromotive force of a thermocouple is not modified if one or several intermediate metals are inserted in the circuit provided that:
5. A millivoltmeter measuring the electromotive force between the “hot junction” and the “cold junction” of a thermocouple can be directly graduated in temperature values provided that the temperature of the:
