A 4-kVA, 2300/230-V rms transformer has an equivalent impedance of 2?10°? on the primary side. If the transformer is connected to a load with 0.6 power factor leading, calculate the input impedance.

What will be an ideal response?


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Pump selection is based on (select all that apply):

a. Viscosity b. Needed discharge pressure c. Available suction pressure d. Flow rate e. Amount of gas in the suction line

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What cylinder arrangement is popular with designers when an engine has more than four cylinders?

A. radial B. opposed C. in-line D. V-type

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After 15 years of employment in the airline indus­try, John started his own consulting company to use physical and computer simulation in the analy­sis of commercial airport accidents on runways. He estimates his average cost of new capital at 8% per year for physical simulation projects, that is, where he physically reconstructs the accident using scale versions of planes, buildings, vehicles, etc. He has established 12% per year as his MARR. What net rate of return on capital investments for physical simulation does he expect?

What will be an ideal response?

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Two technicians are discussing the use of a typical bench/pedestal mounted grinder. Technician A says that a wire brush wheel can be used to clean threads. Technician B says that the grinding stone can be used to clean threads. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B

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