How much water can calcium silicate potentially absorb?

a. Its own weight
b. Twice its own weight
c. Four times its own weight
d. All the moisture available to it


c. Four times its own weight

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If you are required to draw a fireplace section, a print of the floor plans will be needed to help determine wall locations and the size of the fireplace.

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

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The chemical changes that take place in foods or food products that either reduce the products’

nutritional value or render them unfit to eat are called:

a. underripeness c. taint b. overripeness d. spoilage

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Equipotential bonding required by 680.26 shall be installed to reduce ____ in the pool area.

A. power surges B. shorting C. load D. voltage gradients

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The heat in the combustion chamber is reflected and concentrated by the

A) Reflector B) Concentrator C) Heat exchanger D) Refractory

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