The reversing valve reverses the direction of refrigerant flow:
A) And reverses the function of the two heat exchange coils.
B) By reversing the airflow through the two heat exchange coils.
C) By reversing the direction of the compressor motor.
D) By reversing the polarity of the electric power supplying the system.
A
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Answer the following statement true (T) or false (F)
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Indicate whether the statement is true or false
Draw the envelopes for maximum shear and moment in a 24-ft-long simply supported beam produced by a live load that consists of both a uniformly distributed load of 0.4 kip/ft of variable length and a concentrated load of 10 kips (Figure P12.42). The 10-kip load can act at any point. Compute values of the envelope at the supports, quarter points, and midspan.
