Under What Conditions Do Manufacturers Recommend Using Block Heaters in Mobile

question 4

Multiple Choice

Under what conditions do manufacturers recommend using block heaters in mobile light duty diesels?

• A) Below -10 degF (-23degC).
• B) Block heaters are aftermarket devices not recommended by manufacturers.
• C) Prior to starting an engine that has sat in a cold climate for extended periods.
• D) Anytime outside air temperatures fall below freezing.

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Definitions:

Medication Allergy

An immune system reaction that occurs as a response to a specific medication, ranging from mild to severe.

Carbon Monoxide Poisoning

A potentially fatal condition caused by inhalation of carbon monoxide gas, which prevents oxygen from being utilized properly by the body.

Carotenemia

A condition characterized by yellowing of the skin caused by increased levels of carotene, often resulting from excessive intake of carotene-rich foods.

Polycythemia

A medical condition characterized by an increased number of red blood cells in the bloodstream.