In order for disease to grow, there must be a(n) ____; in the case of working in interior plantscaping, a
plant.
a. interior pest c. receptacle
b. host d. sore on the plant
B
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Explain the operation of a positive displacement pump.
a. accelerates a specific volume of liquid through centrifugal force. b. uses a combination of displacement and centrifugal force to move liquid. c. displaces a specific volume of liquid on every stroke or rotation of the transfer element. d. axial movement that displaces a specific volume of liquid.
The term quarter-sawedmeans _____.
a. only one-fourth of the tree is used b. the lumber is classified as softwood c. the lumber is cut with the growth rings at an angle greater than 45 degrees d. the log is cut into four equal lengths before it is cut into lumber
Many central system chillers use water cooled condensers because
A) water cooled chillers take up less space inside the building than air cooled chillers B) air cooled condensers contribute more to global warming C) water cooled condensers require less maintenance than air cooled condensers D) the compressor can be located most anywhere inside the building
A double-door opening measures 9'5" wide. What should the measurement on a ruler read in inches at the center of this opening?
What will be an ideal response?