Creating a _____ means that every head joint is kept exactly plumb with those on alternating courses below.

A. straight course
B. uniform distribution
C. plumb bond
D. alternating bond


Answer: C

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There is a definite relationship between the speed of the motor and the speed of the blower.

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

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This (these) group(s) of microorganisms usually predominate(s) in sandy, acid soils

A) both A and C B) actinomycetes C) fungi D) bacteria E) all of the above

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

1. As the base-emitter current begins to rise in the positive direction, the impedance of the collector-emitter of the transistor decreases and current begins to flow through the load resistor and transistor. 2. If a transistor is a linear device, a decrease of base-emitter current will produce a proportional increase in collector-emitter current. 3. In order for the transistor to be able to reproduce the base signal, it must not be biased. 4. A transistor is biased by furnishing a DC current to the base of the transistor and adjusting the current to a point that the transistor is turned half on. 5. A good example of how a simple transistor amplifier may be used in an industrial application is when a relay is to be controlled by a light beam.

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What is the difference in thickness between 12 pieces of 3/8" brass or 9 pieces of 5/16"  aluminum?

What will be an ideal response?

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