Technician A says that the high pressure diesel fuel oil pump was introduced in 1927. Technician B says that Robert Bosch invented the high pressure diesel fuel oil pump. Who is right?

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


Answer: C

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Beneficial below-ground organisms (such as mycorrhizal fungi, nitrogen fixing bacteria, actinomycetes) that interact with the root systems of plants are part of the plant ________.

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The maximum number of inputs of the same device series that the output of a logic device can drive and still meet its operating specification is called ________

A) fan in B) load power C) fan out D) load limit

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The type of fractions you are most likely to see are ____________________ fractions.

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

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A technician spends 15 1/2 hours at work. Repairing a refrigerator takes  1/2 of the time, and repairing a window air conditioner takes 1/3 of the time.  The technician spends 1/18 of the time ordering parts and 1/9 of the time eating lunch.  Find the number of hours the technician spends repairing a window air conditioner.

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

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