The type of fan or blower with a blade design that is self-cleaning and a good choice for air containing a lot

of dust or grease is the _____.

a. forward-curved centrifugal
b. radial
c. backward-inclined centrifugal
d. ducted fan


b

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What are the two advantages of using electro-magnets to create a magnetic field?

What will be an ideal response?

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When a set of wet liners has evidence of severe cavitation, which of the following maintenance and operating practices should be investigated first?

A. idle shutdown duration programming B. road speed governing C. type of antifreeze used and service intervals D. type of engine oil used and service intervals

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What is necessary to obtain the last credit in this section?

What will be an ideal response?

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Through-beam sensors provide the ________

A) Capability of easy of alignment B) Light source and receiver are in the same package C) Longest sensing distances D) Lowest level of operating margin

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