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
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
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?
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