A horizontal heat exchange bed has tubing surface area of 515 sq. ft. and a heat transfer coefficient of 0.058 Btu/min-sq.ft.-°F. If the average ?T across the tube is 24°F, how much heat is being transferred??
Fill in the blank(s) with the appropriate word(s).
716.88 Btu/min
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Fallowing involves land in rotation that is not cropped for a season or more
Indicate whether the statement is true or false
What is the maximum safe fill weight of a recovery cylinder with a tare weight of 30 lb, a water capacity of 40 lb, holding a refrigerant with a specific gravity of 1.2?
A) (30 lb + 40 lb) × 1.2 = 84 lb (rounded) B) (30 lb + 40 lb) × 0.8 = 56 lb (rounded) C) 30 lb + 40 lb = 70 lb (rounded) D) 30 lb + (40 lb × 0.8 × 1.2 ) = 68 lb (rounded)
Which of these is a single-wire serial communications protocol, using one master control module and many slave modules?
A) Media Oriented System Transport (MOST) B) GMLAN C) Motorola Interconnect (MI) D) Flexray BUS
What is used to top off the water supply for the system?
A) The low-water cutout B) The supply pump C) A pressure-regulating valve D) The return water line