If the suction pressure of an R-22 air-conditioning system is 67 psig and the evaporator outlet temperature is 51°F, what is the evaporator superheat?
What will be an ideal response?
12°
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In the accompanying figure, if angle E measures 75o, the measure of angle F is ____o.
A. 20 B. 30 C. 40 D. 80
What are the three levels of treatment in a municipal water treatment plant? Briefly describe each
What will be an ideal response?
Because unintended lane changes by distracted drivers are responsible for 43% of all highway fatalities, Ford Motor Co. and Volvo launched a program to jointly develop a technology to prevent accidents by sleepy or distracted drivers. A device costing $260 tracks lane markings and sounds an alert during lane change. If these devices are included in 100,000 new cars per year beginning 3 years from now, determine the present worth of the cost over a 10-year period at an interest rate of 10% per year.
What will be an ideal response?
When using a brazing flux, it should be applied _____
a. only to the tube end b. to both the tube end and the fitting cup c. only to the fitting cup d. both before and after the brazing process