How can you tell when a filter drier is stopped up?
A) You will see the accumulated debris in the filter's sight glass.
B) The "plugged filter" flag will pop out of the leaving flare port.
C) You will hear a whistling sound in the filter.
D) It will have a pressure drop of more than 2 psi across the filter.
D
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What are the three mechanisms by which there is maternal transfer of antibodies to progeny?
What will be an ideal response?
Brake tubing must be ________
A) Made of copper B) Single-walled C) Double-walled D) Able to withstand an internal pressure of 2000 psi
Keeping wood structures dry and limiting the use of all wood to areas at least ____" above the exterior grade provides additional assurance against termites.
A. 6 B. 9 C. 12 D. 15
For most systems, the minimum velocity in a horizontal suction line is:
A) 3,000—3,500 ft per minute. B) 750—1,000 ft per minute. C) 1,000—1,500 ft per minute. D) 500—750 ft per minute.