Which of the following refrigerants has the lowest ozone depletion potential (ODP) rating?
A. R-134a
B. R-22
C. R-12
D. R-422D
Answer: D
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With suitable examples, explain the differences between connection-oriented and connectionless protocols.
What will be an ideal response?
A set of burned or pitted contacts can cause a(n) ____________________ across the contacts.
Fill in the blank(s) with the appropriate word(s).
____________________ are energy sources created from organic materials that come from renewable sources such as agriculture crops
Fill in the blank(s) with correct word
The relationship for the impedance matching ratio (RL/Rpri) in a transformer is:
A) opposite to the turns ratio (Nsec/Npri) squared. B) opposite to the turns ratio (Nsec/Npri). C) equal to the turns ratio (Nsec/Npri). D) equal to the turns ratio (Nsec/Npri) squared.