How much real power is produced in a circuit by 50 amps at 100 volts with a power factor of 80%?
A) 4000 watts.
B) 4000 farads.
C) 5000 volt-amps.
A) 4000 watts.
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Explain what an ice dam protection membrane is and describe the material it is made of. With the help of a sketch, explain its use on an asphalt shingle roof.
What will be an ideal response?
Legal Description: All that portion of Lot 12 of MARTIN’S ADDITION TO VISTA, in the County of San Diego, State of California, as shown on Map No. 1472, on file in the Office of the County Recorder of said San Diego County, described as follows: Beginning at a point of intersection of the Southeasterly line of said Lot 12, with a line drawn parallel with and distant 140.00 feet, measured at
right angles Northeasterly from the Northeasterly line of Citrus Avenue, 60 feet wide, as shown on said Map No. 1472, said point being the Southeasterly corner of the land conveyed to William Allington by deed dated February 02, 1933, and recorded in Book 188 Page 391 of Official Records of said San Diego County; thence North 30 Degrees 18 Minutes West along the Easterly line of land so conveyed, being also the aforementioned parallel line, 186.45 feet to an angle point in said Easterly line; thence continuing along said Easterly line, being parallel with and distant 140.00 feet at right angles Easterly from the Easterly line of said Citrus Avenue, North 0 Degrees 22 Minutes East 141.97 feet to the TRUE POINT OF BEGINNING; thence continuing along said parallel line, North 0 Degrees 22 Minutes 100 East, 50.00 feet to a point distant thereon South 0 Degrees 22 Minutes West, 100.00 feet from the Southerly line of the Northerly 4.0 Acres of said Lot 12, as said Northerly 4.0 Acres were conveyed to H. B. Morris, et ux, by deed dated April 14, 1930, and recorded in Book 1784 Page 187 of Deeds; thence parallel with and 100.00 feet Southerly at right angles from said Southerly line of said Northerly 4.0 Acres as conveyed to said Morris, South 89 Degrees 38 Minutes East, 270.85 feet to a point in the centerline of Hillside Drive as shown on said Map No. 1472; thence along said centerline of said Hillside Drive, South 58 Degrees 28 Minutes West, 12.98 feet to an angle point in said centerline; thence continuing along said centerline, South 36 Degrees 42 Minutes West, 102.0 feet; thence leaving said centerline, North 78 Degrees 34 Minutes West, 203.46 feet to the TRUE POINT OF BEGINNING. What will be an ideal response?
A method used to pre-qualify contractors is the _____.
a. bid bond or bid security b. pre-qualification summary c. performance bond d. capabilities statement
The primary power source for a vibratory pile hammer is _____.
a. gravity b. a pneumatic power pack c. a hydraulic power pack d. an electric motor