Sheet metal parts on engines assembled at the factory are usually vulcanized to the head or block with room temperature vulcanizing (RTV) sealants. How would you remove valve covers and oil pans sealed in this manner?

What will be an ideal response?


Here are two ways:
1. Slip a knife blade between the head and sheet metal valve cover to break the seal.
2. Sheet metal parts can be tapped with a rubber mallet to loosen them. Tap on a curved (strong) area to avoid denting the valve cover.

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Vehicle heater hoses are attached to the ________.

A) Heater core B) Engine C) Either A or B but not both D) Both A and B

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The most popular gases for heating, cutting, and welding metals are ____________________ and

____________________.

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

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Discuss the use of optional standby power generation systems.

What will be an ideal response?

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In an isometric drawing, the three principal planes and edges make equal angles with the plane of projection.

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

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