Current in an electrical system is analogous to what in a hydraulic system?
A. volume
B. pressure
C. volumetric flow rate
D. fluid momentum
E. mass flow rate
Answer: C
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Which of the statements regarding hoist platform design load factors is true?
a. Any loaded pair of platform hoist points must have a load factor of at least 5. b. Each platform hoist point must have a load factor of at least 7. c. Each platform hoist point must have a load factor of 200 percent. d. All loaded hoist points together must have a combined load factor of at least 7.
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Why is knowledge regarding the recovery level for Type II systems with 200 pounds or more of R-22 not important for most technicians?
A) Type II recovery levels are optional by law. B) Few systems are this large. C) Few systems are this small. D) Enforcement rates for recovery levels are low.