If corrosion inhibitors are injected upstream of a molecular sieve system:

A - The kind of product components that can be adsorbed will be altered B - A coalescer and/or a layer of activated carbon on the inlet end of the bed should be installed C - The bed must be thoroughly regenerated and purged with nitrogen before treating D - A filter should be added on the feed inlet line Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________

Question 5:

One advantage of a molecular sieve hydrocarbon treating system is that:

A - Removal of all polar compounds is achieved in a series of simple steps B - Molecular sieve degradation does not occur when corrosion inhibitors are present C - Its capacity is not affected by pressure variations D - High temperature gas regeneration is required Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________

Question 6:

One advantage of a molecular sieve hydrocarbon treating system is that:

A - High temperature gas regeneration is required B - The regeneration process is simple C - Molecular sieve degradation does not occur when corrosion inhibitors are present D - Removal of all polar compounds is achieved in a series of simple steps Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________

Question 7:

One advantage of a molecular sieve hydrocarbon treating system is that:

A - Removal of all polar compounds is achieved in one step B - Product loss does not occur when the beds are drained C - Molecular sieve degradation does not occur when corrosion inhibitors are present. D - High temperature gas regeneration is required Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________

Question 8:

The molecular sieve does not effectively remove which of the following compounds:

A - Water B - Mercaptans C - Carbonyl sulphide D - Methanol Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________

Question 9:

The adsorbing capacity of a molecular sieve depends on the:

A - Contaminants in the mixture B - Pressure variation C - Kind and amounts of components to be adsorbed D - Vessel fluid flow rate Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________

Question 10:

To prevent the loss of molecular sieve during an upset condition, inlet and outlet nozzles should be covered with:

A - Deflectors B - A fine screen C - A coarse screen D - Baffle plates or equivalent distributors Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B

Question 1:

One advantage of a molecular sieve hydrocarbon treating system is that:

A - Removal of all polar compounds is achieved in one step B - Product loss does not occur when the beds are drained C - Molecular sieve degradation does not occur when corrosion inhibitors are present. D - High temperature gas regeneration is required Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________

Question 2:

The adsorption (treating) cycle of a typical propane and butane molecular sieve system is:

A - 8 hours B - 15 - 30 minutes C - 2 hours D - 1 hour Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________

Question 3:

One advantage of a molecular sieve hydrocarbon treating system is that:

A - Removal of all polar compounds is achieved in a series of simple steps B - High temperature gas regeneration is required C - Its capacity is not affected by pressure variations D - Molecular sieve degradation does not occur when corrosion inhibitors are present Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________

Question 4:

One advantage of a molecular sieve hydrocarbon treating system is that:

A - Molecular sieve degradation does not occur when corrosion inhibitors are present B - High temperature gas regeneration is required C - The regeneration process is simple D - Removal of all polar compounds is achieved in a series of simple steps Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________

Question 5:

Which phase of the molecular sieve operating cycle occurs after the bed has been cooled and the bed is brought up to operating condition by applying product from the storage vessel?

A - Treating B - Regeneration C - Cool and fill D - Repressurize Correctness Rule: Single Correct Answer Required Answer(s) Given: D Correct Answer(s): D Marked as: Correct _______________________________________________

Question 6:

The molecular sieve does not effectively remove which of the following compounds:

A - Mercaptans B - Methanol C - Water D - Carbonyl sulphide Correctness Rule: Single Correct Answer Required Answer(s) Given: D Correct Answer(s): D Marked as: Correct _______________________________________________

Question 7: