- •Pump 6002_Artificial Lift - Gas Lift and Plunger Lift
- •In servicing a plunger lift system, the pig must be periodically removed from the _______________, to inspect the pig seals.
- •If a pumped-off condition causes an underload condition of a submersible pump, the appropriate remedial action is:
- •In the case of a pumped off well utilizing a submersible pump it is necessary to:
- •In a single-acting reciprocating gas compressor, compression takes place:
- •In a double-acting reciprocating gas compressor, compression takes place:
- •In machine shops where pneumatic equipment is used, what is the most commonly used type of air compressor?
- •In a single-acting reciprocating gas compressor, compression takes place:
- •In machine shops where pneumatic equipment is used, what is the most commonly used type of air compressor?
- •In a double-acting reciprocating gas compressor, compression takes place:
- •In machine shops where pneumatic equipment is used, what is the most commonly used type of air compressor?
- •In a double-acting reciprocating gas compressor, compression takes place:
- •In a double-acting reciprocating gas compressor, compression takes place:
- •In a compressor that uses the balanced/opposed cylinder configuration, the cranks are arranged so that:
- •In a double-acting compressor, the purpose of the crosshead is to:
- •In high-pressure ratio and high differential pressure compression applications, which valve type is most commonly used?
- •In a double-acting compressor, the purpose of the crosshead is to:
- •Idling an engine for a few minutes prior to total shutdown avoids:
- •Question 10:
- •In most cases, the choice of the appropriate driver for a gas compressor is ultimately determined by the:
- •Induction motors are simple, rugged and reliable, and have no:
- •Question 10:
- •Induction motors are simple, rugged and reliable, and have no:
- •Question 1:
- •Question 5:
- •In a centrifugal compressor, the diffuser vanes work to:
- •In an axial compressor, a stage consists of a/an:
- •In an axial compressor, the shortest blades on the stator are located:
- •Question 2:
- •In a centrifugal compressor, the diffuser vanes work to:
- •In an axial compressor, the shortest blades on the stator are located:
- •Intercoolers are never equipped with a safety valve, pressure gauges and thermometers on the compressed gas and cooling water piping.
- •In separator vessels, regardless of shape or capacity, the secondary section uses:
- •In separator vessels, regardless of shape or capacity, the secondary section uses:
- •Intercoolers are never equipped with a safety valve, pressure gauges and thermometers on the compressed gas and cooling water piping.
- •Intercooling involves:
- •In separator vessels, regardless of shape or capacity, the secondary section uses:
- •In a vertical separator, where the gas line enters the scrubber, the baffle plate serves to:
- •Question 2:
- •Impressed current systems are commonly used where large currents are required. Direct current is discharged through one or more anodes into the:
- •Impressed current systems are commonly used where large currents are required. Direct current is discharged through one or more anodes into the:
- •Impressed current systems are commonly used where large currents are required. Direct current is discharged through one or more anodes into the:
- •Question 1:
- •Question 6:
- •Question 3:
- •If the level of liquids rises too high in the separator, the operator should check the:
- •In general, which of the following factors should be considered when choosing the size and type of separator:
- •In general, which of the following factors should be considered when choosing the size and type of separator:
- •In general, which of the following factors should be considered when choosing the size and type of separator:
- •If the level of liquids rises too high in the separator, the operator should check the:
- •If the level of liquids rises too high in the separator, the operator should check the:
- •In general, condensate stabilization accomplishes several functions, including:
- •In natural gasoline, the maximum allowable butane content, without a penalty, is usually:
- •In the flash vaporization process, condensate from the hp flash drum is sent to the:
- •In natural gasoline, the maximum allowable butane content, without a penalty, is usually:
- •In the flash vaporization process, vapour from the condensate stripper is sent to the:
- •In general, condensate stabilization accomplishes several functions, including:
- •In the flash vaporization process, condensate from the hp flash drum is sent to the:
- •In the flash vaporization process, vapour from the condensate stripper is sent to the:
- •In natural gasoline, the maximum allowable butane content, without a penalty, is usually:
- •In the flash vaporization process, vapour from the condensate stripper is sent to the:
- •In a fired heater, which of the following problems can occur:
- •In the feed (flash) drum, the water and any glycol carried in from the field is:
- •In the feed (flash) drum, the water and any glycol carried in from the field is:
- •In a fired heater, which of the following problems can occur:
- •Question 10:
- •In the feed (flash) drum, the water and any glycol carried in from the field is:
- •In a fired heater, which of the following problems can occur:
- •In a refluxed stabilizer when the vapour pressure of the natural gasoline gets too high:
- •In a refluxed type of stabilizer, when the vapour pressure of the gasoline becomes too high, it means that the:
- •Question 2:
- •In a refluxed type of stabilizer, when the vapour pressure of the gasoline becomes too high, it means that the:
- •In a refluxed stabilizer when the vapour pressure of the natural gasoline gets too high:
- •In a refluxed stabilizer when the vapour pressure of the natural gasoline gets too high:
- •Question 2:
- •In the regeneration section of a teg plant the solution is heated in a coil immersed in the glycol surge tank and then discharged into the:
- •In the glycol regeneration section of a teg plant, with the stripper:
- •If the inlet gas to a glycol dehydrator contactor is at constant pressure, the higher the temperature is:
- •Question 7:
- •In the glycol dehydration process, identify how the solution flows through the contactor.
- •Question 10:
- •In addition to dehydrating gas dry desiccants can be used to:
- •In a solid desiccant dehydration system that uses two or more towers:
- •In addition to dehydrating gas dry desiccants can be used to:
- •In a solid desiccant dehydration system that uses two or more towers:
- •In a solid desiccant dehydration system that uses two or more towers:
- •In addition to dehydrating gas dry desiccants can be used to:
- •In a solid desiccant dehydration system that uses two or more towers:
- •In addition to dehydrating gas dry desiccants can be used to:
- •If corrosion inhibitors are injected upstream of a molecular sieve system:
- •If corrosion inhibitors are injected upstream of a molecular sieve system:
- •If corrosion inhibitors are injected upstream of a molecular sieve system:
- •In the fractionation tower, the top temperature is set:
- •In a distillation process, the Initial Boiling Point (ibp) is defined as the temperature of the liquid when:
- •In a fractionation tower a 100% pure product can be produced because the vaporization and condensing actions on the trays are 100% effective.
- •In the fractionation tower, the top temperature is set:
- •In the fractionation tower, the top temperature is:
- •In a distillation process, the Initial Boiling Point (ibp) is defined as the temperature of the liquid when:
- •In the fractionation tower, the top temperature is:
- •In the fractionation tower, the top temperature is:
- •In a distillation process, the Initial Boiling Point (ibp) is defined as the temperature of the liquid when:
- •In a distillation process, the Initial Boiling Point (ibp) is defined as the temperature of the liquid when:
- •Question 9:
- •In a fractionating system used in a large sour gas plant, when a mixture of propane and butane is split in the depropanizer, the overhead product is:
- •In a gas plant, when discussing fractionation components, the common abbreviation used for octane is:
- •In a gas plant, when discussing fractionation components, the common abbreviation for ethane is:
- •Question 2:
- •In a gas plant, when discussing fractionation components, the common abbreviation for ethane is:
- •In a gas plant, when discussing fractionation components, the common abbreviation for butane is:
- •In the illustration, which is produced as bottom product from the debutanizer?
- •In a gas plant, when discussing fractionation components, the common abbreviation for ethane is:
- •If you were asked to design a fractionation system for a stream where the mixture consists of c3, c4, and c5, how many towers would your system contain?
- •If a fractionator is used to condense lpg and heavier products, the type of condenser used is a:
- •In a fin fan cooler, air is forced across the tubes by:
- •In a thermal siphon reboiler, the bottom product flows to the bottom of the reboiler by using:
- •If the fractionator bottom temperature is too hot:
- •If a fractionator is used to condense lpg and heavier products, the type of condenser used is a:
- •If you were operating a tower where the bottom temperature is controlled by constant heat input to the reboiler, how would you control the tower temperature?
- •In a fin fan cooler, air is forced across the tubes by:
- •If a fractionator is used to condense lpg and heavier products, the type of condenser used is a:
- •If you were operating a tower where the bottom temperature is controlled by constant heat input to the reboiler, how would you control the tower temperature?
- •If a fractionator is used to condense lpg and heavier products, the type of condenser used is a:
- •If the fractionator bottom temperature is too hot:
- •In a tray-type fractionation tower, flooding takes place when the downcomers cannot:
- •Identify the following type of packing used in the illustration below:
- •In a tray-type fractionation tower, the weirs provide:
- •In a tray-type fractionation tower, if the rising vapour blows the liquid from the tray in a fine spray (leaving the tray essentially dry), the condition is known as:
- •Identify the object in the illustration below:
- •In a tray-type fractionation tower, if the rising vapour blows the liquid from the tray in a fine spray (leaving the tray essentially dry), the condition is known as:
- •In a tray-type fractionation tower, the feed trays are:
- •In a tray-type fractionation tower, if the rising vapour blows the liquid from the tray in a fine spray (leaving the tray essentially dry), the condition is known as:
- •If a fractionator is producing off specification product, all of the following actions can be taken to rectify the problem except:
- •Question 6:
- •Question 3:
- •In a water-cooled overhead condenser, high pressure drop on the water side indicates:
- •In a tower where the purity of the top product is 93% and bottom 97%, both temperatures are high and reducing the heat to the reboiler has not helped, the corrective action to take would be to:
- •Question 2:
- •In a tower where the purity of the top product is 93% and bottom 97%, both temperatures are high and reducing the heat to the reboiler has not helped, the corrective action to take would be to:
- •Question 10:
- •Question 2:
- •In a tower where the purity of the top product is 93% and bottom 97%, both temperatures are high and reducing the heat to the reboiler has not helped, the corrective action to take would be to:
- •Question 10:
- •Question 2:
- •Question 3:
- •In a tower where the purity of the top product is 93% and bottom 97%, both temperatures are high and reducing the heat to the reboiler has not helped, the corrective action to take would be to:
- •Question 10:
- •In an lpg and gasoline loading facility, the pumps are equipped with a flow switch that is usually installed in the pump discharge line and serves to:
- •In a refrigeration chiller:
In a tower where the purity of the top product is 93% and bottom 97%, both temperatures are high and reducing the heat to the reboiler has not helped, the corrective action to take would be to:
A - Lower the feed tray B - Raise the feed tray C - Reduce the reflux D - Add reflux and heat Correct Answer(s): A Marked as: Incorrect _______________________________________________
Question 6:
When the bottom product contains too much top product, the bottom temperature will drop because the:
A - Top product has a lower boiling temperature B - Top product has a higher boiling temperature C - Bottom product is purer D - Top product is less pure Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________
Question 7:
In a water-cooled overhead condenser, high pressure drop on the water side indicates:
A - Cycling of the heating fluid in the reboiler B - Slugging or surging in the feed tank C - Fouling of the tubes D - A reflux ratio controller malfunction Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________
Question 8:
It is important to check the overhead product temperature to ensure that the tower is working efficiently.
A - True B - False Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________
Question 9:
Imagine that you are starting up a fractionator. You have allowed liquid to enter the reboiler and cover the tubes. What is the next thing you must do and what must be monitored while you are doing it?
A - Start the reflux flow and monitor the ratio level B - Allow the reboiler liquid level to reach operating level and monitor condenser pressure C - Start the feed to the tower and monitor the reboiler temperature D - Start the heating fluid flow and monitor the reboiler temperature Correctness Rule: Single Correct Answer Required Answer(s) Given: D Correct Answer(s): D Marked as: Correct _______________________________________________
Question 10:
The symptoms of water in the tower are that both products are off specification, and no improvement can be made by changing the reflux rate or heat input to the reboiler.
A - True B - False Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Question 1:
The plant fractionator is producing top product that is 93% pure and bottom product that is 93% pure. All the controls and instruments have been checked and there are no problems. What is the cause of the problem and what remedial action should be taken?
A - Cause is: Not enough reflux. Remedy: Increase the reflux flow B - Cause is: Not enough recycle. Remedy: Increase the reflux flow and add heat to the reboiler C - Cause is: Too much reflux. Remedy: Increase the reflux flow D - Cause is: Not enough heat. Remedy: Add heat to the reboiler Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________
Question 2:
When there is less top product in the bottom product and the bottom temperature goes up, the effect on product quality is that the:
A - Bottom product is less pure B - Bottom product is more pure C - Quality is not affected D - Top product is less pure Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________
Question 3:
When there is too much bottom product in the top product and the top temperature goes up, the affect on product quality is that the:
A - Quality is not affected B - Top product is less pure C - Bottom product is less pure D - None of the above Correct Answer(s): B Marked as: Incorrect _______________________________________________
Question 4:
After the feed to the tower has been started, the flow of heating fluid to the reboiler should only be started when:
A - The normal operating pressure of the tower has been achieved B - The liquid covers the reboiler tubes C - The overhead condenser is free of cooling fluids D - There is sufficient level in the reflux accumulator Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________
Question 5:
When there is too much top product in the bottom product and the bottom temperature goes down the effect on product quality is that the:
A - Bottom product is less pure B - Top product is less pure C - Quality is unaffected D - None of the above Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________
Question 6:
In a fractionator where the purity of the bottom product is 93%, the top product is 97% and both temperatures are low and increasing the heat to the reboiler has not helped, the corrective action to take would be to:
A - Increase the reflux flow B - Reduce heat to the reboiler C - Lower the feed tray D - Raise the feed tray Correctness Rule: Single Correct Answer Required Answer(s) Given: D Correct Answer(s): D Marked as: Correct _______________________________________________
Question 7:
Your fractionator is producing top product that is 93% pure and bottom product that is 97% pure. You have checked all controls and instruments and cannot detect any problems. What is the cause of the problem and what remedial action can you take?
A - Cause is too much reflux. Remedy: decrease reflux flow B - Cause is not enough heat. Remedy: increase heat to reboiler C - Cause is too much heat. Remedy: reduce heat to reboiler D - Cause is not enough reflux. Remedy: increase reflux flow Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________
Question 8:
When there is less bottom product in the top product and the top temperature goes down, the effect on product quality is that the:
A - Quality is not affected B - Top product is more pure C - Top product is less pure D - Bottom product is less pure Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________
Question 9:
Imagine that you are starting up a fractionator. You have allowed liquid to enter the reboiler and cover the tubes. What is the next thing you must do and what must be monitored while you are doing it?
A - Start the heating fluid flow and monitor the reboiler temperature B - Start the feed to the tower and monitor the reboiler temperature C - Start the reflux flow and monitor the ratio level D - Allow the reboiler liquid level to reach operating level and monitor condenser pressure Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________
Question 10:
When the bottom product contains too much top product, the bottom temperature will drop because the:
A - Top product is less pure B - Top product has a lower boiling temperature C - Top product has a higher boiling temperature D - Bottom product is purer Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct
Question 1:
LPG surface storage tanks are pressure vessels designed to store liquid hydrocarbon product at:
A - Pressures maintained below atmospheric B - Temperatures maintained above 30°C C - Pressures maintained above atmospheric D - 60% of the vessel volume Question 2:
Surface storage tanks are painted on both the inside and outside. While the exterior coatings used differ, the most common type of paint used for the interior of LPG storage tank is:
A - Polyurethane B - Lacquer C - Latex D - Alkyd enamel
Question 3: