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In the feed (flash) drum, the water and any glycol carried in from the field is:

A - Recovered and used to provide fuel to the fired heaters B - Condensed and sent to the reboiler C - Cooled and partially condensed in the stabilizer overhead condenser D - Dropped out and collected in the water leg at the bottom of the tank Correctness Rule: Single Correct Answer Required Answer(s) Given: D Correct Answer(s): D Marked as: Correct _______________________________________________

Question 8:

The chamber arrangement at the lower section of the stabilizer prevents the:

A - Loss of suction at the reboiler pump B - Increase of suction at the reboiler pump C - Formation of hydrates D - Liquid surge point from exceeding design maximum Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________

Question 9:

Condensed liquid which is pumped back to the top of the stabilizer tower is known as:

A - Feed B - Reflux C - Carry-over D - Regeneration Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________

Question 10:

The stabilizer overhead condenser:

A - Recovers heat from the overhead product and transfers it to the stabilizer feed B - Cools the vapour from the top of the tower C - Provides sufficient holding time to settle the flow surges from the inlet separators D - Prevents hydrates in the tower Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Question 1:

The most significant stabilizer tower process variable is the tower bottom temperature which:

A - Indirectly controls the back pressure on the reboiler. B - Directly controls the pressure in the reflux accumulator C - Directly controls the back pressure on the reboiler D - Indirectly controls the tower pressure Correctness Rule: Single Correct Answer Required Answer(s) Given: D Correct Answer(s): D Marked as: Correct _______________________________________________

Question 2:

The stabilizer overhead condenser:

A - Provides sufficient holding time to settle the flow surges from the inlet separators B - Cools the vapour from the top of the tower C - Recovers heat from the overhead product and transfers it to the stabilizer feed D - Prevents hydrates in the tower Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________

Question 3:

A condensate stabilizer tower is divided into sections. The top, or "rectifying section", includes:

A - All the trays above the feed tray B - All the trays below the feed tray C - All the trays below the chimney tray D - All the trays above the reflux tray Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________

Question 4:

A condensate stabilizer tower is divided into sections. The bottom or "stripping section" includes:

A - All the trays below the seal pan B - All the trays below the chimney tray C - All the trays below the feed tray D - All the trays above the reflux tray Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________

Question 5:

The purpose of the stabilizer overhead condenser is to remove _______________ from the vapour stream.

A - Water vapour B - C5, C6, and C7+ C - Acid gases D - C1, C2, C3, and C4 Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________

Question 6:

The heat exchanger contributes to the economy of the system by:

A - Removing heat from the overhead product B - Recovering heat and transferring it to stabilizer feed C - Providing air recirculation to avoid freezing of the coil in cold weather D - Recovering reflux and transferring it to stabilizer feed Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________

Question 7:

The purpose of the Stabilizer Feed/Bottoms exchanger is to:

A - Prevent hydrates in the tower B - Recover heat from bottoms products C - Pre-heat raw condensate prior to entering the tower D - Flash water from the raw condensate E - Recover heat from bottoms products & Pre-heat raw condensate prior to entering the tower Correctness Rule: Single Correct Answer Required Answer(s) Given: E Correct Answer(s): E Marked as: Correct _______________________________________________

Question 8:

The condensate leaves the flash drum at about 10 degrees C, and flows through the:

A - The reflux accumulator B - The inlet separator C - Fin-fan aerial coolers D - Stabilizer feed/bottom heat exchanger Correctness Rule: Single Correct Answer Required Answer(s) Given: D Correct Answer(s): D Marked as: Correct _______________________________________________

Question 9:

Water has been found in the Stabilizer Reflux Drum. This may be due to:

A - Operating the stabilizer reboiler above design temperature B - Malfunctioning Level Controller on the boot of the Stabilizer Feed Drum C - Liquid slug into the Inlet Separator D - A hydrate in the Overhead vapour line to the L.P. contactor Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________

Question 10:

Condensed liquid which is pumped back to the top of the stabilizer tower is known as:

A - Reflux B - Regeneration C - Feed D - Carry-over Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Question 1:

The purpose of the stabilizer overhead condenser is to remove _______________ from the vapour stream.

A - Water vapour B - C1, C2, C3, and C4 C - C5, C6, and C7+ D - Acid gases Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________

Question 2:

Reflux is that part of the liquid product from the overhead condenser, which is returned to the top of the stabilizer and controls the:

A - Bottom product temperature and purity B - Overhead pressure and purity C - Overhead temperature and purity D - Surge rate within the condenser Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________

Question 3:

The condensate leaves the flash drum at about 10 degrees C, and flows through the:

A - Fin-fan aerial coolers B - Stabilizer feed/bottom heat exchanger C - The inlet separator D - The reflux accumulator Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________

Question 4:

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