Describe a situation when three-way switches are used in a residential lighting circuit.
What will be an ideal response?
When one or more light fixtures on a circuit are to be controlled from two locations.
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All of the following statements are true EXCEPT:
A. a knock sensor has a piezoelectric crystal sensing element that senses vibration and creates a voltage signal of 100 to 200 mV. B. an oxygen (O2) sensor is a variable DC voltage generator. C. pulse generators are signal generators. D. in a variable AC voltage generator, a magnetic pickup generates an AC analog signal with a positive and negative sine wave.
How does asexual plant reproduction differ from sexual plant reproduction?
What will be an ideal response?
Technician A states that the service diaphragm in a spring brake can be safely changed, providing the spring brake is properly caged with a cage bolt before removing it. Technician B states that it is no longer possible to change the hold-off diaphragms in most spring brake assemblies, because the band clamp cannot be unbolted. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
Council House 2 gets its water for non-potable uses from _____________.