What is the purpose of crossing the tip and ring wires over each other to form a twisted pair?
A) to produce a canceling effect of the signals and thus eliminate cross talk
B) to block electromagnetic interference from outside influences such as fluorescent lights
C) both a and b are true
D) neither a nor b is true
C
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A(n) ____ forms when the melted snow refreezes as it runs to an uninsulated eave.
A. snow melt B. ice dam C. air leak D. ridge dam
A tangent is a straight line segment that joins two points on a circle.
Answer the following statement true (T) or false (F)
When the oil supply is above the oil burner pump, the pump and supply would normally be a ____.
A. single-stage pump, one pipe system B. single-stage pump, two pipe system C. two-stage pump, one pipe system D. two-stage pump, two pipe system
A contractor purchases 225 bags of cement and 38 bags of lime. The job requires 105 bags of cement and 29 bags of lime. How many bags of lime are unused?
What will be an ideal response?