A rectangular duct with dimensions of 12 in × 14 in delivers conditioned air to a room at a rate of 1000 ft^3/min. What should be the size of a circular duct if the average air velocity inside the duct is to remain the same?
What will be an ideal response?
Assume constant air density.
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Do broken furnace supports require immediate shutdown of the furnace?
What will be an ideal response?
Piezoelectric activation solenoids are used in some fuel injection systems to provide very fast and precise flow control.
Answer the following statement true (T) or false (F)
Credit for how many years of work experience may be substituted by attending automotive service training?
A) 2 years B) None-no substitution for work experience is permitted C) 3 years D) 1 year
Horizontal loop, vertical loop, slinky loop, and lake loop are all designs for
A) Water source heat pump evaporator coils B) Closed loop water source heat pump applications C) Water source heat pump condenser coils D) Open loop water source heat pump applications