Technician A says that biodiesel has greater resistance to water absorption than petroleum base diesel fuel.  Technician B says that biodiesel has greater resistance to biological attack than petroleum base diesel fuel giving it a longer shelf life. Who is correct?

A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B


Answer: D

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Suspended scaffolding is the least safe type of scaffold that can be used.

Answer the following statement true (T) or false (F)

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____________________ water tables form above an impermeable soil layer that restricts deeper

percolation.

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

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An advantage of a "parallel flow" configuration of ground loops is ____.

A. smaller diameter pipes B. ease of removing trapped air C. simplified flow path D. higher heat transfer per foot

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Each breed of dog has evolved based on selection and mating for a certain purpose. For example, Greyhounds have been bred to be lapdogs that enjoy cuddling and sharing affection

A. True B. False

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