What is the advantage of using multiple compressors on a supermarket rack system?
A) System capacity can match refrigeration loads, which vary over a wide range.
B) Extra compressors provide backup in case one quits working.
C) Using multiple parallel compressors makes the use of multiple refrigerants possible.
D) The compressors can operate at a higher compression ratio as a parallel group.
A
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A) Gate valve B) Diaphragm valve C) Globe valve D) Relief valve
Name two standards that cover how welds are to be represented on engineering drawings.
What will be an ideal response?
The _____ conveys the NR RRC Reconfiguration message to the UE.
A. eNB, B. MME, C. S-GW,
Bubbles in the sight glass always indicate refrigerant shortage.
Answer the following statement true (T) or false (F)