Most experiments require the use of purpose bred animals—those bred for a particular trait or whose genealogy or physiology must be known for the experimental results to be valid. Such animals are available from breeders and professional dealers
A. True
B. False
A
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Most programmable logic controllers (PLCs) contain a timer that runs continually when the PLC is in the RUN mode. What is the function of this timer?
What will be an ideal response?
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____ is the vertical distance between two or more lines or surfaces (part features) that are in horizontal planes.
A. Height B. Width C. Depth D. Length
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Which of these statements about the hazard vehicle fire is true?
a. Under inflated tires cannot cause a vehicle fire. b. Poor cargo ventilation may cause cargo to catch on fire. c. Carrying a fully charged fire extinguisher may prevent a fire.
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Air flow switches are often called ____________________ switches.
Fill in the blank(s) with the appropriate word(s).
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