When using a self-contained recovery unit to recover refrigerant vapor, the discharge of the recovery unit is typically connected to _____.
a. a suitable plastic recovery bag
b. a recovery cylinder
c. the high-side port of the gauge manifold
d. the low-side port of the gauge manifold
b. a recovery cylinder
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Para una halada en ángulo o en U, la longitud de la caja de derivaciones que aloja conductores protegidos a tensiones superiores a 600V debe ser de _____ veces el diámetro exterior del conductor protegido más grande que entra en la caja.
a. 24 b. 36 c. 48 d. 60
What type of compressors contain the compressor and motor together inside a welded steel housing?
A) Reciprocating B) Hermetic compressors C) Semihermetic compressors D) Open compressors
Which component in a refrigeration system is responsible for raising the pressure and temperature of the vapor refrigerant that leaves the evaporator?
A. compressor B. evaporator C. condenser D. metering device
Dual-voltage-rated pump motors are rated ____.
Fill in the blank(s) with the appropriate word(s).