What components in a compression-refrigeration system maintain the pressure difference in the system?
A) The metering device and evaporator B) The condenser and evaporator
C) The compressor and condenser D) The compressor and the metering device
D
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The maximum weight allowed by DOT for road travel with a tractor/trailer combination is _____.
a. 50,000 pounds (22,680 kg) b. 65,000 pounds (29,483 kg) c. 80,000 pounds (36,287 kg) d. 100,00 pounds (45,359 kg)
Step-by-step emergency response procedures are required for only some potential emergencies.
What standard prefix in engineering notation indicates multiplication by 1,000,000,000?
A. kilo (K) B. tera (T) C. giga (G) D. mega (M)
A cable is checked for a power installation and is found to be too small. The cable has 37 strands of copper wire, each having a diameter of 82.2 mils. Find the size of the cable in circular mils. Carry answer to two decimal places.
Fill in the blank(s) with the appropriate word(s).