What is the first step in selecting commercial refrigeration equipment for new installations?
What will be an ideal response?
Before any of the system components can be selected, the required BTU capacity of the system must be determined by performing a heat load calculation.
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Technician A says the steering system's ability to isolate road shock from the steering wheel is reduced when the number of friction points is reduced. Technician B says a steering system has increased road feel when the number of friction points is reduced. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Technician A says that carbon monoxide is an odorless and colorless gas present in gasoline engine exhaust. Technician B says that carbon monoxide poisoning causes flu-like symptoms. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
A cylinder power balance test is performed. Cylinders 1, 2, and 3, all drop 175 RPM when disabled with a scan tool. Cylinder 4 drops 50 RPM when disabled. The following statements are all correct EXCEPT ________
A) There may be a mechanical problem with cylinder 4 B) Cylinder 4 is much weaker than 1, 2, and 3 C) This test could also be conducted by grounding the plug wire for each cylinder D) Cylinder 4 is much stronger than 1, 2, and 3
Which of the following is NOT a basic step in fuzzy control?
A) Change outputs from linguistic variables to continuous variables B) Change process errors from continuous variables to linguistic variables C) Infer outputs from basic rules D) Segregate outputs into control categories