How can you search for patents online?
What will be an ideal response?
Design teams may want to know what patent(s) have been issued for similar products or components of products. While there are organizations that specialize in patents and patent law searches, students can search the USPTO database on the Web at http://www.uspto.gov/patft/index.html. Searches for patents issued between 1790 and 1976 generally provide issue date and patent number. Searches of patents after 1976 provide considerably more information including the inventor's name, title, abstract, date of issue, patent number, descriptions, drawings and images, and other associated patents.
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A voltmeter that is being used to measure a voltage drop across a resistor is most like which of the following?
A. A differential pressure gauge measuring the pressure drop across a hydraulic circuit restriction B. A flow meter measuring the rate of hydraulic fluid flow C. Two pressure gauges measuring the pressure in a hydraulic circuit referenced to atmospheric pressure D. An ohmmeter measuring the resistance in an electric circuit with current flowing through the circuit
Pressure lower than atmospheric pressure is called ____________________.
Fill in the blank(s) with the appropriate word(s).
The two-wattmeter method gives P? = 1200 W and P? = - 400 W for a three-phase motor running on a 240-V line. Assume that the motor load is wye-connected and that it draws a line current of 6~A. Calculate the pf of the motor and its phase impedance.
What will be an ideal response?
Since most circular ducts are sized giving the diameter, the circumference of the circle can be found by multiplying the diameter times p.
Answer the following statement true (T) or false (F)