If the load requirements of a single-phase installation are greater than the serving agency normally supplies through one service, ____ are permitted.
A. additional agencies
B. multiple branches
C. service disconnects
D. multiple services
Answer: D
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Answer the following statement(s) true (T) or false (F)
1. It is true that time elapses during nearly every action taking place on a machine. This fact means that a timer is always the best means of control. 2. Time-delay relays have a normally open and a normally closed timing contact. 3. The manual-set timer requires manual operation of the timer to start and stop operation. 4. The main difference among temperature switches is the means by which the temperature information is transferred from the sensing element to the switching element. 5. The actual temperature in an on/off system will always fluctuate about some value.
What would you do to an old grapevine that was neglected for several years?
What will be an ideal response?
An LVDT with a rectifier circuit connected to its secondary indicates direction by producing a __________ change at its output.
A. phase shift B. polarity C. amplitude
How would you conduct the evaluation?
What will be an ideal response?