Under what circumstances would the by-pass valve open to let the unfiltered oil flow to the engine?

What will be an ideal response?


The by-pass valve opens to let the unfiltered oil flow to the engine when:
1. The oil is cold and thick.
2. The filtering material is plugged due to a lack of proper maintenance.

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An electronic engine control system consists of:

A. Input sensors B. Actuators C. Control module D. All of the above

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An example of sustainable site selection would be choosing to:

A) Build on an existing building site. B) Create a new building site by removing trees and grading. C) Remove all the trees on a site to allow better access for construction and maintenance. D) Build a new site by filling in a useless marshy area with rubble and fill dirt.

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The primary source of heat for a year-round packaged air conditioner is _____

a. electricity b. natural gas c. hot water d. steam

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A tapered pin has a small-end diameter of 101 centimeters and a large-end diameter of 189 centimeters. What is the difference between the two diameters?

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

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