The maximum safe level to pressurize a system with nitrogen when checking for leaks is:
A) The high-side system test pressure.
B) 500 psig.
C) A pressure equal to the saturation pressure at 150°F for the system refrigerant.
D) The low-side system test pressure.
D
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Answer the following statement true (T) or false (F)
Find the average signal power of x [n] = 11 ?4 [2n] ? 15 ?5 [3n] .
What will be an ideal response?
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A. A only B. B only C. Both A and B D. Neither A nor B