Naphthenic acid is _____ by catalytic reactions in downstream hydro processing and FCC units.
Answer(s): B
MIC is often found in _________, bottom water of storage tanks, piping with stagnant or low flow and piping in contact with some soils.
Thermal fatigue cracks usually propagate _______ to the stress and they are usually dagger-shaped.
Answer(s): C
Surface initiated cracks caused by environmental cracking of 300 Series SS and some nickel based alloys under the combined action of tensile stress, temperature and an aqueous chloride environmental is called ________. The presence of dissolved oxygen ___________ the propensity for cracking.
Answer(s): A
What is the chemical symbol for propane or propylene?
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