CATALYTIC CONVERTER FAILURES: If a catalytic converter needs replacing, one of the problems below most likely contributed to its failure. Engine Tune-Up Required. A number of problems could occur to the catalytic converter as the result of an engine that is out of tune.
View Full Document. - Habituation : refers to gradual reduction in the strength of a response due to repetitive stimulation.
Fracturing in rocks at great depth frequently becomes suppressed by pressure due to the weight of the overlying rock strata and the cementation of the formation. This suppression process is particularly significant in tensile (Mode 1) fractures which require the walls of the fracture to move against this pressure.