The proper dash vent temperature for an air condition system should be ________.
A) 10°F below ambient
B) 32°F (90°C)
C) 35°F–45°F (2°C–7°C) or 30°F (15°C) cooler than the outside air temperature
D) Any of the above
C) 35°F–45°F (2°C–7°C) or 30°F (15°C) cooler than the outside air temperature
You might also like to view...
There are code requirements for maintenance of plumbing drain lines. Which of the following need to be implemented? Select all that apply.
A) Cleanouts in horizontal drain lines at 75? minimum spacing for 4? and smaller piping. B) Cleanouts at changes in direction of each vertical plumbing stack. C) Cleanouts every 4 stories in roof drain leaders.
What is the unit of measurement for resistance?
A. ohm B. ampere C. volt D. coulomb
Answer the following with regard to the TTT diagram of a steel of eutectoid composition, shown in Fig. 18.13, and assumed that the specimens involved in the various cooling paths were cut from a thin sheet and austenitized at 750°C before cooling. Describe the microstructure resulting from being:
(a) Cooled to room temperature in less than 1 second. (b) Cooled to 160°C in less than 1 second, and then maintained at this temperature for several years. (c) Quenched to 650°C, and held at this temperature for 1 day, then quenched to room temperature.
The transfer function of the second-order lowpass filter is given by
