An AC system has had about 0.5 lbs of R-22 refrigerant added. What would this cause?
A) Increased cooling B) No problems, normal AC cooling
C) Very high high side pressures D) Low high side pressures
C
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According to Merriam Webster’s dictionary, the term “____________________” is defined as “a heat engine in which the combustion that generates the heat takes place inside the engine proper instead of in a furnace.”
Fill in the blank(s) with the appropriate word(s).
In order to safeguard the public health, environment, public beaches, water quality, and economy of south San Diego County, California, and Tijuana, Mexico, federal agencies in the United States and Mexico developed four alternatives for treating wastewater prior to discharge into the ocean. The project will minimize untreated wastewater flows that have caused chronic and substantial pollution in the Tijuana River Valley, the Tijuana River National Estuarine Research Reserve, coastal areas used for agriculture and public recreation, and areas designated as critical habitat for federal- and state-listed endangered species. For the costs and benefits estimated, which alternative should be selected on the basis of a B/C analysis at 6% per year and a 40-year project period? All
monetary amounts are in $ million units.
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Technician A says that the maximum permissible operating angles of U-joints decrease as driveshaft rpm increases. Technician B says that a driveshaft that turns at a maximum of 3500 rpm should have U-joint working angles of 3 degrees or less. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
What is the major difference between evaporation and boiling?
What will be an ideal response?