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VCE
At elevated temperature, the carbide phases in certain carbon steels are unstable and may decompose into _______. This decomposition is known as graphitization.
A. Silicon
B. Graphite nodules
C. Carbon dust
D. Graphite dust
The regenerator reboiler and the regenerator are areas where the temperature and __________ of the amine stream are the highest and can cause significant corrosion problems.
A. Pressure
B. Stress
C. Turbulence
D. Concentration
Typical HF Alkylation units operate with 1% to 3% water in the acid, equivalent to an HF-in- water concentration of 97% to 99% and the temperatures are generally below _________.
A. 300º F
B. 250º F
C. 200º F
D. 150º F