What is the velocity of 500 CFM of air moving through a 10 inch duct?
What will be an ideal response?
900 fpm
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Answer the following statement(s) true (T) or false (F)
1. Many schematic diagrams use a legend to aid in understanding. 2. The service cord is thought of as a major component of a schematic diagram. 3. An electric resistance heating element is used to provide heat in cool weather. 4. A double-acting thermostat can be used instead of a single-pole single-throw. 5. A start capacitor can be connected in series with the run capacitor to increase the starting torque of the compressor.
The unit of measure for the coefficient of thermal expansion (a) is
A) feet or meters. B) °C-1 or °F-1. C) watts or joules. D) °C or °F. E) none of the above.
Fighting or ____________________ may result if litters are left together for long periods of time
Fill in the blank(s) with correct word
The categories considered in the pricing of an estimate include all of the following EXCEPT _______.
A. labor B. subcontractors C. job overheads D. productivity