When Soap-Solution Testing the Operation of an FMVSS-121 Treadle Valve,what

question 22

Multiple Choice

When soap-solution testing the operation of an FMVSS-121 treadle valve,what is the maximum permissable leakage at the exhaust valve during an 80 psi (5.5 bar) service application?

• A) absolute zero
• B) 1-inch (25 mm)bubble in 3-seconds
• C) 1-inch (25 mm)bubble in 10-seconds
• D) 1-inch (25mm)bubble in 60-seconds

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Definitions:

Nonlinear

Refers to equations, models, or relationships in mathematics and science that do not form a straight line when graphed.

Degrees of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution.

Significance

A measure of how likely it is that an obtained result could have occurred by chance.

Independent Variables

Variables in an experiment or model that are manipulated or controlled to test their effects on dependent variables.