What are coil clearing contacts?
What will be an ideal response?
Many latching type relays and contactors contain contacts that are used to prevent continuous power being supplied to the coil after it has been energized. These contacts are generally called coil clearing contacts.
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What are some contributions plants make to the life cycle on earth? Would
humans be able to survive in a world without plants? Why or why not?
What will be an ideal response?Consider the floor plan shown in Figure P2.4. Compute the tributary areas for (a) floor beam B1, (b) floor beam B2, (c) girder G1, (d) girder G2, (e) corner column C1, and (f ) interior column C2.
Because ____________________ proximity detectors do not depend on metal to operate, they will sense virtually any material such as wood, glass, concrete, plastic, and sheet rock.
Fill in the blank(s) with the appropriate word(s).
If two electrical loads are connected in parallel with each other and each load draws 6 amps, what is the total current of the circuit?
What will be an ideal response?