Which system allows simultaneous heating or cooling?

A) Mini-split system B) Heat recovery system C) Multisplit system.


B

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¿Cuáles son los espesores de pared estándar para el aislamiento de espuma flexible para tuberías?

a. 1/16", 3/16", 5/16" y 7/16" (0,16 cm, 0,48 cm, 0,80 cm y 1,11 cm) b. 3/32", 5/32", 9/32" y 11/32" (0,24 cm, 0,40 cm, 0,72 cm y 0,87 cm) c. 3/8", 1/2", 3/4" y 1" (0,95 cm, 1,27 cm, 1,90 cm y 2,54 cm) d. 1", 2", 3" y 4" (2,54 cm, 5,08 cm, 7,62 cm y 10,16 cm)

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One type of fan cycle control employs a ____ to control motor speed.

a. thermistor b. triac c. thermostat d. shutter

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The command cd source uses relative path addressing.

Answer the following statement true (T) or false (F)

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Two technicians are discussing engine sensors. Technician A says that MAP sensors measure altitude. Technician B says MAF sensors measure exhaust flow. Who is correct?

A. A only B. B only C. Both A and B D. Neither A nor B

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