The discharge valve on a balanced pressure thermostatic trap is controlled by a liquid-filled _____.

a. diaphragm
b. bimetallic strip
c. bellows
d. cylinder


c. bellows

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Lacquer finishes can be given a lustrous satin finish using a light oil lubricant and _____.

a. silicon-carbide sandpaper b. aluminum-oxide sandpaper c. garnet sandpaper d. emery sandpaper

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The simple sugar __________ is the major energy source in an animal's blood

a. Fructose c. Glucose b. Galactose d. Cellulose

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The sum of two numbers is 8 and the sum of the squares of the numbers is 40. What are the numbers?

Fill in the blank(s) with the appropriate word(s).

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Reptiles need a heat rock because they are ____________________ animals.

Fill in the blank(s) with the appropriate word(s).

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