Technician A says a check valve will stop fluid flow in one direction but will allow it to flow in the opposite direction. Technician B says a simple check valve can be used to block a hydraulic passageway in one direction. Who is correct?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
Answer: C
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The propagation delays for LEO satellites will be in________.
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A temporary diversion has been constructed on a highway of +4% grade due to major repairs that are being undertaken on a bridge. The maximum speed allowed on the diversion is 20 mi/h. Determine the minimum distance from the diversion that a road sign should be located informing drivers of the temporary change on the highway. Assume that a driver can read a road sign within his or her area of vision at a distance of 30 ft for each inch of letter height.
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Answer the following statement true (T) or false (F)