The diaphragms of a diaphragm type of valve are made of: 1. steel. 2. copper. 3. aluminum. 4. chrome-molybdenum
a. 2 c. 3 and 4
b. 2 and 3 d. 1 and 2
ANS: D
The diaphragm type of valve has two diaphragms, one made of steel and one made of copper. Aluminum and chrome-molybdenum are metals that are used in the construction of cylinders.
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The body build that is massive and truncated, with a short, broad, and deep thorax, is ___________________
Fill in the blank(s) with correct word
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