A commonly used method to control animals protected by law is to use sound to scare them away
Indicate whether the statement is true or false
T
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Answer the following statements true (T) or false (F)
1 Natural draft towers have fans or blowers at the bottom of the tower that force air through the equipment. 2 The process of evaporation is less efficient than convection at removing heat. 3 The temperature of the water leaving the cooling tower should be constant year-round. 4 Legionnaires’ disease bacteria (LDB), which can exist in cooling towers, causes a form of pneumonia. 5 Industrial furnaces are operated at positive pressure.
The coefficient of friction is the _____.
a. amount of effort required to overcome friction when dragging a load over a surface b. amount of weight perpendicular to the supporting surface c. heat generated by friction d. relationship between an object’s weight and its friction against a surface
To calculate the volume of a circular column, use the formula _____.
a. pi2 × radius × height b. pi × radius2 × height c. pi × radius × height2 d. pi × radius2 × height2
The ____________________ is gaining popularity because it can be adapted easily to most any compressor.
Fill in the blank(s) with the appropriate word(s).