What type of meter do HVACR technicians use to measure current?
A) A solenoid meter B) A clamp-on ammeter
C) An in-line wattmeter D) A noncontact voltage detector
B
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The accompanying picture shows a standard double-loop armature and its corresponding torque graph for one complete revolution. Would the graph look the same if one of the two loops was rotated 90ยบ so that the two loops were parallel to one another? If so, why? If not, draw or describe the new graph.
The blastula develops into five distinct layers
Indicate whether the statement is true or false
The conduit bend used on the conduit ends when the conduit enters a box or other electrical enclosure that is surface mounted is called a(n) _________________________ bend.
Fill in the blank(s) with the appropriate word(s).
Most rigid refrigerant lines are made of _______
A) Aluminum B) Titanium C) Copper D) Steel