a. Find the reluctance of a magnetic circuit if a magnetic flux ? = 4.2 × 10?4 Wb is established by an impressed mmf of 400 A-turns.
b. Find the magnetizing force H in SI units if the magnetic circuit is 6 in long.
Analysis:
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Hempstead Industries has a new milling machine with B = $110,000, n = 10 years, and S = $10,000. Determine the depreciation schedule and present worth of depreciation at i = 12% per year, using the 175% DB method for the first 5 years and switching to the classical SL method for the last 5 years. Use a spreadsheet to solve this problem and plot the book values.
What will be an ideal response?
When the third color band is silver, it represents:
A) The first two digits of the resistor value. B) The multiplier for the resistor value. C) The resistor tolerance. D) The color frequencies of the waveform.
To relieve hydraulic system pressure when shutting down a tractor, the operator should _____
a. place the SCVs in the continuous detent position b. place the SCV control levers in the extend position c. cycle all SCV controls through all positions and then return them to neutral d. hold the SCV control levers in the retract position when the cylinders reach the end of travel
Parallelogram linkage is used with the short/long arm type of suspension.
Answer the following statement true (T) or false (F)