Because the coil of the solenoid has a ____ impedance than the mold heater, most of the line voltage will be dropped across the valve, causing it to open and refill the mold.

a. much lower
b. lower
c. higher
d. much higher


d. much higher

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A properly operating air conditioning system should be able to provide air discharge airflow at the center vents at what temperature range?

A) 55-64° F (13-18°C) B) 45-54° F (7-12°C) C) 65-72° F (18-22°C) D) 35-45° F (2-7°C)

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Technician A says AC system lines and hoses that are cold have lower refrigerant pressure than warmer lines and hoses. Technician B says frost on a system component usually indicates a refrigerant leak in that area. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B

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To attain EQ Credit 5, contamination must be prevented by:

A) Preventing hazardous gasses or chemicals from leaving the rooms in which they are emitted B) Install filters with MERV of 13 or greater before the building is occupied C) Preventing contamination from "walking in" to the building from all outdoor entries D) A and C E) B and C F) A and B G) A, B, and C

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