Technician A says that a vibration damper, also known as a harmonic balancer, is used to dampen harmful twisting vibrations of the crankshaft. Technician B says that most engines are balanced after manufacturing. Who is right?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
A
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The first step to planning an irrigation system must be to make sure that an adequate water supply is available during the driest seasons
Indicate whether the statement is true or false
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A ____ diagram is so named because it usually shows the path of wiring or raceway from one level of a building to another.
A. riser B. single-line C. double-line D. level
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Refer to Exercise 12. Let Z=X+Y represent the total number of repairs needed.
a. Find 
.
b. Find 
.
c. Find P(Z=2).
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Permanent electrical safety devices can improve the effectiveness of lockout/tagout programs