Technician A says that for best results, loosen the fastener immediately after spraying it with penetrating oil. Technician B says that rusted fasteners may be loosened by tapping with a hammer. Which technician is correct?

A) Neither technician A nor B B) Technician A only
C) Both technicians A and B D) Technician B only


D

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A typical cause of siphonage and back pressure is _____.



a. improper DWV venting
b. sediment buildup
c. low water-supply pressure
d. vacuum-breaker failure

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The industry average for pigs weaned per litter is:

A. 7.5 B. 8 C. 9.5 D. 10

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Pinch-off voltage refers to

A) value of drain-source voltage at which drain current is maximum B) value of drain-source voltage at which drain current remains constant C) value of drain-source voltage at which drain current is minimum D) none of the above

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Examples of common fractions include 1/2, 3/4, and 5/6.

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

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