The ____________________ is the revolving part of the motor and consists of steel punchings or laminations arranged in a cylindrical core.
Fill in the blank(s) with the appropriate word(s).
rotor
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The best setting for food preservation in a refrigerator is ____________________ degrees F.
Fill in the blank(s) with the appropriate word(s).
Which of the following steps should come first in an analysis of system operating conditions?
a. Measure and record the compressor current. b. Listen for abnormal sounds as the unit starts. c. Connect a gauge manifold to the system. d. Record the superheat at the outlet of the evaporator.
In 2016, Google rented 1000 acres of a historic California airbase in the San Francisco Bay Area for $1.16 billion via a 60-year lease. Annual M&O is expected to be $6.3 million. In addition, Google will refurbish three hangars at a cost of $2.6 million 4 years from now. Assuming the $1.16 billion represents the present worth of only the lease, what is the equivalent AW of the transaction over the 60-year period at an interest rate of 15% per year?
What will be an ideal response?
Adding a little extra refrigerant over the amount recommended by the manufacturer:
A) Reduces system capacity but slightly increases system efficiency. B) Reduces both system capacity and efficiency. C) Increases system capacity slightly but reduces system efficiency. D) Does not affect system capacity or efficiency, but provides a buffer against future refrigerant loss and nuisance call backs.