Why do standard-design thermostatic expansion valves need a minimum pressure drop to operate correctly?
A) To ensure that the pin seats tightly during operation
B) The internal adjustment springs have a minimum required torsion
C) The bulb will not sense temperatures below 100 psig
D) The pressure difference across the pin acts as an opening force
D
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7. The SNR of the channel from a space probe to earth equals 2047 and the channel capacity C = 5 x 10 to the 7th power bps. The channel bandwidth = _________ (x.xx) MHz.
Fill in the blank(s) with the appropriate word(s).
The location of distribution and branch circuit panelboards are shown on the _____.
a. site plan b. one-line drawings c. building layout d. specifications
When sizing a cooling tower, the tower is sized to handle the cooling load of the conditioned area plus about ____% for heat of compression.
A. 0 B. 15 C. 25 D. 35
To what extent were America's economic troubles in the 1970s a natural aftermath of the unpaid economic costs of the Vietnam War and the "oil shocks" of the 1970s? Give specific political and economic examples that support your point of view.
What will be an ideal response?