A cloud shape or curly line around a section of a drawing indicates a _____.

a. future section
b. revision
c. code requirement
d. special pipe


b. revision

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The coolant heat storage system is being discussed. Technician A says that the water valve is driven by an electric motor. Technician B says that the storage tank has its own electric water pump. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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Which of these devices can retain a high-voltage charge after power has been removed?

a. Capacitors used in motor circuits b. Control relays c. Compressor contactor d. Compressor terminals

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As filters age and collect more particles, the differential pressure _____.

a. fluctuates b. stays the same c. increases d. decreases

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Given the dimension statement 14 SP @ 1'-0" = 14'-0" for 401 bars designated in a flat slab illustration, what is the quantity of 401 bars?

A. 13 B. 14 C. 15 D. 16

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