Para un tiro recto, la longitud mínima para una caja de derivación con dos conductos de 1" (2,54 cm) y un conducto de 4" (10,16 cm) en una pared, y dos conductos de 1" (2,54 cm) y un conducto de 4" (10,16 cm) que entra en la pared opuesta es _____.
a. 24" (60,96 cm)
b. 26" (66,04 cm)
c. 32" (81,28 cm)
d. 34" (86,36 cm)
c. 32" (81,28 cm)
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Two technicians are discussing cleaning solvents. Technician A says that it is not necessary to use gloves with petroleum-based solvents. Technician B says that most newer cleaning solvents are chlorinated. Who is right?
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
The C-bit parity frame structure differs from the M13 frame format, primarily in Blocks 3, 5, and 7
Indicate whether the statement is true or false
To control capacity, scroll compressors have typically used a _____.
a. refrigerant bypass method b. slide valve c. multispeed motor d. plug valve
The basic components of a centrifugal pump include all of the following except:
a. volute b. impeller c. piston d. suction eye