Which diagram illustrate the locations and markings of each terminal and the interconnection that is required?
a. Riser diagram
b. One-line diagram
c. Elementary diagram
d. Connection diagram
e. Terminal and connection diagram
Answer: E
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Power Engineering Chapter 83
- An automatic transfer switch will switch over when the voltage falls below __% of rated and will return automatically upon a resumption of service.
- ___ are used to select alternate circuits
- The branch circuit amperage capacity may range from __ to __ Amperes?
- Circuits which extend beyond the final overcurrent device are termed?
- Beyond the first protective device the __ form the distribution network to the last protective devices which protect the branch circuits.
- ___ provides an enclosure for the distribution and control of the feeders as well as switching and protection of the service.
- Which diagram indicates by means of single lines and simplified symbols the distribution of electrical systems in a multistoried structure?
- Which diagram displays the relative physical arrangement of components, including all wiring and connections?
- The actual ratings on devices selected for nominal system supplies are about __ lower, to account for any voltage drop of the supply system.
- A 120 V system is best described as a:
- A 120/240 V system is best described as a:
- The utility's responsibility will not go beyond the
- A prime factor in determining the voltage to be used in a circuit is
- Choose the statement that is FALSE. In an electrical system the neutral wire:
- Low voltage systems may have an actual voltage variation of plus or minus:
- An electrical distribution system is composed of service, feeders and:
- Low voltages include all voltages between _____ V.
- Extra low voltages include all voltages below _____ V.
- When working with high voltage systems, the minimum distance of approach should be not less than:
- The best type of diagram for showing supply and distribution system is the _____ diagram.
- Tie breakers are used to:
- The ability of an electrical circuit to store a charge of electricity even after the circuit is opened is termed:
- High voltages include all voltages above _____ V.
- A 120/208 V system is best described as a: