Examples of control devices include:
A) Thermostats, pressure switches, and humidistats.
B) Compressors, signal lights, and defrost timers.
C) Compressors, thermostats, pressure switches, and heaters.
D) Motors, resistance heaters, and solenoid valves.
A
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What should process technicians do when monitoring and maintaining cooling towers?
A) Look for leaks B) Observe filter screens for plugging C) Check for proper water distribution on top of the tower D) All of the above
Answer the following statement(s) true (T) or false (F)
1. An animal’s frame size has no impact on that animal’s size at maturity. 2. Small-framed animals mature earlier than large-framed animals. 3. An animal can never have too much muscling. 4. The most expensive cuts from a carcass come from the loin. 5. A bulging brisket indicates an animal that is overly finished.
A cylinder head is being reassembled after having the face and seat resurfaced. Technician A says that this will increase the valve stem height. Technician B says that a shim within the size recommendation of the manufacturer may be installed under the spring to correct for this. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
A smoothly operating engine depends on ________
A) Equally compression among cylinders B) Cylinder compression levels above 100 PSI (700 kPa) and within 70 PSI (500 kPa) of each other C) Compression levels below 100 PSI (700 kPa) on most cylinders D) High compression on most cylinders