HSC-3 Plane Captain Practice Test

The fuel sample kit should be cleaned with 2.5 tablespoons of Alconox because Alconox is a specialized cleaning agent designed for cleaning laboratory and industrial equipment. It effectively removes residues, oils, and contaminants without leaving harmful residues that could interfere with future fuel sampling. Its use is essential in ensuring that the sample kit remains free of any substances that could alter the accuracy of fuel tests or samples.

Using soapy water, rubbing alcohol, or bleach solution may not provide the same level of effectiveness in removing contaminants, and they could potentially leave behind residues that could compromise the integrity of future fuel samples. Specifically, soapy water may leave surfactants, rubbing alcohol might not effectively remove all types of oils, and bleach can be corrosive and could damage the equipment or alter the effectiveness of the kit. Thus, utilizing Alconox ensures a thorough and safe cleaning process for the fuel sample kit.