- •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 an axial compressor, the shortest blades on the stator are located:
A - At the middle of the unit B - At the outlet end of the unit C - At the inlet end of the unit D - On the upper casing of the unit Correct Answer(s): B Question 10:
Compared to centrifugal compressors, to achieve given pressure differentials, axial compressors require:
A - Fewer stages B - Lower volumes C - More stages D - Higher temperatures Correct Answer(s): C Question 1: The impeller of a centrifugal compressor can be equipped with vanes at the eye shaped in such a way:
A - That allows for the control of the capacity of the unit B - To provide shockless entry to the impeller C - That the operating characteristics of the compressor can be adjusted D - That the axial thrust which is directed toward the inlet end of the impeller is absorbed Correct Answer(s): B Question 2:
If you were setting up an axial compressor that was driven by an internal combustion engine, what would you need to add for the compressor to perform to design?
A - Additional stages B - A higher torque camshaft C - Speed-increasing gears D - Speed-reducing gears Correct Answer(s): C Question 3:
The thrust that is produced on the rotor of an axial compressor:
A - Can be overcome by installing a dummy piston on the compressor shaft B - Is an insignificant factor in compressor design C - Results in a force that tends to push the rotor toward the discharge end D - Is balanced by the shape of the blades Correct Answer(s): A Question 4:
In an axial compressor, the shortest blades on the stator are located:
A - At the outlet end of the unit B - At the middle of the unit C - On the upper casing of the unit D - At the inlet end of the unit Correct Answer(s): A Question 5:
The two types of thrust bearings used in axial compressors are designed to:
A - Absorb the axial thrust that is directed toward the discharge end of the rotor B - Align the stator with the impellers C - Absorb the axial thrust that is directed toward the inlet end of the rotor D - Reduce corrosion of the compressor blades Correct Answer(s): C Question 6: Axial compressor casings are made of:
A - Wrought iron B - Galvanized steel C - Aluminum D - Steel Correct Answer(s): D Question 7:
Two-stage centrifugal compressors are commonly used in:
A - Large volume, high pressure applications B - Low volume, low pressure applications C - Low volume, high pressure applications D - Large volume, low pressure applications Correct Answer(s): D Question 8:
A major advantage of a horizontally split compressor casing is that:
A - The casing is a one-piece design allowing for maximum velocity to pressure conversion B - The casing seal is metal to metal C - The upper casing can be removed for maintenance functions D - A gasket is used to seal the upper and lower casings Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________
Question 9:
Centrifugal compressors have the advantage of:
A - Being simple and rugged in construction B - Requiring internal lubrication C - Having a higher efficiency compared to positive displacement compressors D - Being well suited for low capacity work Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________
Question 10:
Elevating the output pressures of centrifugal compressors by multi-staging means that:
A - A low-pressure compressor discharges into the suction of a high-pressure compressor B - The diffuser vanes are placed at both the inlet and outlet of an impeller C - Several sets of diffusers are placed at the outlet of a single impeller D - The gas is compressed in steps as it passes progressively through several impellers mounted on a common shaft Correctness Rule: Single Correct Answer Required Answer(s) Given: D Correct Answer(s): D Marked as: Correct
Question 1: Labyrinths and carbon rings are devices commonly used on centrifugal compressors and provide the same function as: A - Stator blade adjusters B - Thrust bearings C - Mechanical seals D - Inlet guide vanes Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________ Question 2: In an axial compressor, a stage consists of a/an: A - Pair of moving and fixed blade rows B - Set of intake and a discharge valves C - Impeller shaft and a stator D - Seal and a fixed blade row Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________ Question 3: In an axial compressor, the shortest blades on the stator are located: A - At the inlet end of the unit B - On the upper casing of the unit C - At the middle of the unit D - At the outlet end of the unit Correctness Rule: Single Correct Answer Required Answer(s) Given: D Correct Answer(s): D Marked as: Correct _______________________________________________ Question 4: Centrifugal compressors do not require internal lubrication. A - True B - False Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________ Question 5: The thrust that is produced on the rotor of an axial compressor: A - Is balanced by the shape of the blades B - Can be overcome by installing a dummy piston on the compressor shaft C - Is an insignificant factor in compressor design D - Results in a force that tends to push the rotor toward the discharge end Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________ Question 6: Two-stage centrifugal compressors are commonly used in: A - Large volume, low pressure applications B - Low volume, high pressure applications C - Low volume, low pressure applications D - Large volume, high pressure applications Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________ Question 7: Centrifugal compressors have the disadvantage of: A - Requiring internal lubrication B - Being mechanically complex C - Having high maintenance requirements D - Not being well suited for low capacity work Correctness Rule: Single Correct Answer Required Answer(s) Given: D Correct Answer(s): D Marked as: Correct _______________________________________________ Question 8: Compared to centrifugal compressors, to achieve given pressure differentials, axial compressors require: A - More stages B - Fewer stages C - Higher temperatures D - Lower volumes Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Question 1:
An aftercooler on a reciprocating compressor:
A - Increases the weakening of parts due to high temperatures B - Condenses both oil and water from the compressed gas C - Reduces the level of liquids in the scrubber by operating the dump valve D - Increases the possibility of explosions of oil vapour mixed with air Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________
Question 2: