Spark Plug Design Is Being Discussed

question 45

Multiple Choice

Spark plug design is being discussed. Technician A says a plug with too short a reach makes it difficult to attach the plug wire boot. Technician B says a plug with too long a reach may cause preignition. Who is correct?

• A)A only
• B)B only
• C)both A and B
• D)neither A nor B

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Definitions:

Blood Urea Nitrogen

A measure of the amount of urea nitrogen, a waste product from the breakdown of protein, in the blood, which can indicate kidney function.

Kidney Function

The capabilities and efficiency of the kidneys, particularly in filtering waste products from the blood and excreting them as urine.

Mean Corpuscular Hemoglobin

A measurement of the average amount of hemoglobin contained within a single red blood cell, used in diagnosing anemia.

Mean Corpuscular Volume

A measure of the average volume of a red blood cell, used in diagnosing and classifying anemias.