For safety reasons, fuel hose must be tough enough to resist ____ in case it rubs or chafes against another part.

A. abrasion
B. radiation
C. compression
D. vulcanizing


Answer: A

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____ drawings are enlarged views of equipment, equipment installations, duct components, or any features that are not defined on the plan.

A. Base B. Inset C. Offset D. Detail

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The level of impurity (in percent) in the product of a certain chemical process is a random variable with probability density function



a. What is the probability that the impurity level is greater than 3%?
b. What is the probability that the impurity level is between 2% and 3%?
c. Find the mean impurity level.
d. Find the variance of the impurity levels.
e. Find the cumulative distribution function of the impurity level.

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The three-way catalytic converter is designed to reduce ____________________, carbon ____________________, and ____________________ of nitrogen.

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

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Which character of the VIN indicates the year of the vehicle?

A) Tenth B) First C) Eighth D) None of these

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