During a performance test of an air conditioning system the discharge line from the compressor should be:
A. Cool to the touch
B. Cold to the touch
C. Warm to the touch
D. Hot to the touch
Answer: D
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Back or backing and melt-thru welds are frequently used with groove welds to strengthen the weld on the opposite side of the joint.
Answer the following statement true (T) or false (F)
One objective of a mastitis control program is the avoidance of _____ residue in the milk
a. feed c. protein b. drug d. bacteria
A parallel RLC circuit has an R = 10 k?, an L = 100 mH, and a resonant frequency of 200 krad/s, calculate the value of C, the value of the quality factor, and the bandwidth.
What will be an ideal response?
The welding torch is held in place for a short time after a weld bead is terminated to allow _____
a. the post-flow of shielding gas to protect the weld, electrode, and filler metal b. the tungsten electrode to oxidize c. the torch cooling water to also cool the weld d. weld puddle to remain fluid as long as possible