The ____________________ is a refrigeration system that reverses the refrigerant flow to effectively heat a structure in the winter.
Fill in the blank(s) with the appropriate word(s).
heat pump
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Liquid water, with a density of 62.4 lbm/ft3, flows with a volumetric flow rate of 1.25 ft3/s through a circular pipe with a diameter of 3 in. Determine the velocity and mass flow rate of the water.
Given: p= 62.4 lbm/ft3, V? = 1.25 ft3/s, D = 3 in = 0.25 ft What will be an ideal response?
The Otto cycle efficiency is nearest:
The pressure and temperature at the inlet to the ideal Otto cycle, with T-s diagram shown, are 100 kPa and 10ºC. The maximum temperature in the cycle is 1200ºC. Assume constant specific heats from Table below for all calculations.
A) 49%
B) 54%
C) 58%
D) 63%
When a battery will not accept a charge, it is MOST-Likely:
A. dry B. fully charged C. sulfated D. corroded
What were the primary domestic policy goals of the Clinton presidency? Did Clinton's policies owe more to his claim to be a New Democrat, or was he still fundamentally in tune with the liberal heritage of the Democratic party?
What will be an ideal response?