What temperature sensors are used with a commercial air handler?
A) mixed air, supply air, and pre-heat sensors
B) mixed air and separated air sensors
C) preheat and post heat sensors
D) preheat, low temperature, and high temperature sensors
A
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What size RNC is needed to accommodate the conductors?
You have a Rigid PVC conduit (RNC), schedule 80, that is required to hold the following conductors; six -18AWG TFN, ten -18AWG XFF and four -16AWG XF.
Where a straightness tolerance is applied to a cylindrical feature of size, the ____________________ must be located within the tolerance zone and the tolerance zone is not related to any datums.
Fill in the blank(s) with the appropriate word(s).
Which meter can measure current without having to make contact with uninsulated wires?
a. Clamp-on ammeter b. Ohmmeter c. Continuity tester d. Voltage tester
Of the three types of tire construction ____________________ have the best braking performance.
Fill in the blank(s) with the appropriate word(s).