Using Table 46-2, what width should 2 inch fiberglass duct insulation be to wrap an 8 inch diameter round duct?
What will be an ideal response?
37 inches wide
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Problem 1.58* The Load and Resistance Factor Design method is to be used to select the two cables that will raise and lower a platform support¬ing two window washers. The platform weighs 160 lb and each of the window washers is assumed to weigh 195 lb with equip¬ment. Since these workers are free to move on the platform, 75% of their total weight and the weight of their equipment will be used as the design live load of each cable. (a) Assuming a resis¬tance factor ? = 0.85 and load factors ?D = 1.2 and ?L = 1.5, determine the required minimum ultimate load of one cable. (b) What is the corresponding conventional factor of safety for the selected cables?
What are the three functions of the ignition system?
What will be an ideal response?
Voltage in a transformer moves from the primary winding to the secondary winding by conductance
Indicate whether the statement is true or false
A device that can protect steam heating coils from internal collapse due to a sudden drop in pressure is the
_____. a. condensate tank b. control valve c. pressuretrol d. vacuum breaker