distribution line losses

The smallest conductor used in standard open-wire telephone circuits is No. 12B and S. gauge. A line of such construction will have a loss of approximately 0.06 db per mile. Cable circuits, on the other hand, make use of conductors not larger than No. 19, and a typical cable cir..

>There are many daily life situations where n is very large and p is very small. In such situations, the Poisson distribution can be more conveniently used as an approximation to binomial distriburtion which may prove cumbersome for large values of n. This is called Poisson approximation ..

Moment of Inertia of Continuous Mass Distribution - If a body is assumed to be continuous, one can use the technique of integration to obtain its moment of inertia about a given line..

Telephone Lines - The transmission lines used in telephony are of two kinds: open- wire and cable. The open-wire lines are gradually being superseded by cable construction, either overhead or underground, for two principal reasons. In the first place, many more circuit..

These are commonly used in power distribution (at low frequencies) and in communications (at high frequencies). Biodiversity is most simply defined as the variety of life and its processes. A transmission line may be defined as a device for transmitting or guiding energy from o..

Which of the following statement(s) can be inferred from a box plot? I. In a box plot, if the median falls to the left of the center of the box, then the distribution is negatively skewed. II. If the median is near the center of the box, the distribution is approximately symmetr..

The local authorities in a certain city install 1600 electric lamps in the streets of the city. If the lamps have a mean life rate of 1000 burning hours, with a standard deviations of 150 hours, find the value of - 2 standards deviations form the mean. Assume that the lines of the lamps a..

Identify the incorrect statement. I. The histogram is a graph that displays the data by using continuous vertical bars of various heights to represent the frequencies of classes. II. The frequency polygon is a graph that displays the data by using lines that connect points plotted for the..

Besides crop production, good crop management involves storage of grains before distribution. During storage, grains and seeds are subjected to spoilage by various agencies. These agencies are either biotic or abiotic. Some examples are: Biotic - insects, rodents, birds, fungi, mites, bac..

Scientific Storage of Grains - Besides crop production, good crop management involves storage of grains before distribution. During storage, grains and seeds are subjected to spoilage by various agencies. These agencies are either biotic or abiotic. Some examples are: Biotic - insects, ro..