In Regards to Pressure Testing Cooling Systems and Pressure Caps

question 3

Multiple Choice

In regards to pressure testing cooling systems and pressure caps identify the INCORRECT statement.

• A) The radiator cap when tested should not open until the system pressure indicated on the cap has been surpassed.
• B) Always build system pressure up 25% over the rated capacity when checking for cooling system leaks.
• C) When the cooling system has been allowed to cool down and radiator and heater hoses have been collapsed is an indication that the vacuum relief portion of the radiator cap may be defective.
• D) Never build system pressure more than 10% of the systems rated capacity when testing for coolant leaks.

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Definitions:

Median

The middle value in a data set when it is ordered from smallest to largest, or the mean of the two middle numbers when the set has an even number of observations.

Mathematical Average

Another term for mean, which is calculated by adding up all the numbers in a set of data and dividing by the count of numbers.

Mode

The datum that is most recurrent in a given data set.

Set Of Data

A collection of related information or numerical values that are analyzed or used in statistics and research.