Which currently available refrigerant can no longer be installed in new equipment at the manufacturing level?
A) HFC-134a
B) HCFC-22
C) HFC-410A
D) HFC-407C
Answer: B
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A(n) ______________________________ offers the convenience of showing only the new surfaces created by a cutting plane, without the complexity of showing the remaining surfaces on an object.
Fill in the blank(s) with the appropriate word(s).
While having a discussion, Technician A says that a hybrid low-voltage auxiliary battery is matched to the HV charging system. If it requires replacement, it must be replaced with the recommended battery. Technician B says that a conventional lead-acid battery must not be used. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Hagenbeck designed his zoo to look as if predator and prey were in the same exhibit by using _____
a. electric fencing b. moats c. iron cages d. distractive landscaping
The Poisson formula:
A) does not count all call attempts B) does not include the blocked calls in its formula C) assumes all calls will be cleared when blocking occurs D) expects that callers will immediately redial once they receive a fast busy tone and includes the retries in the total number of call attempts