Explain the left hand rule for flux direction in conductors
What will be an ideal response?
The left hand rule is used to determine the direction of rotation of the flux around the conductor. Imagine the conductor held in your left hand with your thumb pointing in the direction of current flow. Your fingers will align in the direction of the flux.
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Calculate, in inches, the length of 1/4” plate needed to bend a 90-degree angle with I/S leg measurements of a = 4.30” and b = 5.25”. Round to the nearest hundredth.
What will be an ideal response?
American cities increasingly abandoned wooden construction for brick and steel in their downtown districts after
A. the great Chicago fire of 1871. B. the development of the electric elevator and the skyscraper. C. brickmaking became cheaper and iron was superseded by more durable steel for construction purposes. D. the cost of brick and steel dropped markedly in the 1870s. E. wooden tenements collapsed in the New York inner city in the 1880s.
What is the approximate maximum high side pressure on a R410A gauge?
What will be an ideal response?
Use the cutting planes shown to draw the sectional views.
