Water Is an Enemy to Diesels and Must Not Be

question 13

True/False

Water is an enemy to diesels and must not be allowed to accumulate in the fuel system.

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Definitions:

Observational Methods

Research techniques that involve watching participants in natural or contrived situations to gather data about their behavior.

Observer Drift

A phenomenon in which there are gradual changes in the way an observer measures or perceives phenomena over time, leading to inconsistencies.

Reactivity

The change in behaviour often seen when people know they are being observed or filmed. One of the difficulties inherent in in vivo observation and analogue observational settings.

External Validity

The extent to which the results of a study can be generalized to other situations and to other people.