Unlike other hormones, T3 and T4 hormones require ________ for production.

A) iron
B) carbon
C) phosphorus
D) iodine
E) fluorine


D) iodine

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Hydraulically activated brake bands and multiple-friction disc packs are used to direct power flow through the transmission.

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

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Very little information is required about a new project to prepare an estimate using ____ analysis.

A. assembly B. elemental C. labor D. unit

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Which relay terminal is the normally closed (NC) terminal?

A) 87a B) 85 C) 87 D) 30

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A device that can be significantly made more energy efficient by the addition of underground water carrying piping attached to the condenser is a ______________________

A. heat pump B. heat recovery chiller C. cooling tower D. ice storage system

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