After replacing a compressor and the evacuation process is underway, a technician should be _____
a. installing a new filter-drier
b. comparing the old and new compressor nameplates
c. connecting the compressor wiring
d. leak testing the system
c
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Water is flowing in a 6-cm-diameter pipe at 4 m/s. It flows through a nozzle and exits to the atmosphere through a 2-cm-diameter exit area. The upstream pressure is nearest:
A) 750 kPa B) 650 kPa C) 550 kPa D) 450 kPa
To reduce the risk of contracting respiratory diseases, new mice should be quarantined for ____________________ before being housed in the same room as other mice in the home or facility
Fill in the blank(s) with correct word
A beam clamp should be replaced if its jaw opening exceeds its normal opening by more than _____
a. 1 percent b. 5 percent c. 10 percent d. 15 percent
If pump 1 is to operate alternately with pump 2, some method must be devised to remember which pump operated last. This function is performed by a(n) ____.
A. short circuit protector B. control relay C. resistor D. overload protector