____________________ misalignment exists when two shafts are not parallel to each other.
Fill in the blank(s) with the appropriate word(s).
Nonparallel
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Which sensor is also called the ambient air temperature sensor?
A) Evaporator outlet temperature B) Outside air temperature C) In-vehicle vehicle temperature D) Discharge air temperature
A bolt that is threaded into a casting is often called a ________
A) Stud B) Crest bolt C) Cap screw D) Block bolt
How does increased store humidity affect the operation of the refrigerated cases?
A) Operating time increases and efficiency decreases due to increased coil frosting. B) Refrigeration capacity is unaffected, but the food hydration cycles are decreased. C) Operating time is decreased and efficiency increased because of the natural cooling effect of the moist air. D) Operation of the refrigerated cases is unaffected by humidity because they are only providing sensible cooling.
Answer the following statement(s) true (T) or false (F)
1. Line diagrams include all of the devices in the system and show the physical relationships between the devices. 2. The control circuit consists of the main contacts and the overload heaters to the motor. 3. Three-wire control prevents the restarting of machinery when power is restored. 4. Motors draw half as much current on high voltages as they do on low voltages. 5. Throttle valves and narrow pipes can waste huge amounts of power.