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Intercoolers are never equipped with a safety valve, pressure gauges and thermometers on the compressed gas and cooling water piping.

A - True B - False Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________

Question 6:

The major section of the separator vessel labeled "A" in the diagram below is referred to as the:

A - Primary separation section B - Coalescing section C - Secondary or gravity section D - Sump (liquid collection) section Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________

Question 7:

The heat exchanger on the discharge of the compressor following the completion of compression is called the:

A - Aftercooler B - Hot mist extractor C - Intercooler D - Vortex breaker Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________

Question 8:

Which of the following is not a result of cooling the gas with an intercooler and/or aftercooler:

A - More effective cylinder lubrication B - Reduces weakening of parts due to high temperatures C - Removal of water and oil vapours from the gas stream D - Increased the amount of power required to compress the gas Correctness Rule: Single Correct Answer Required Answer(s) Given: D Correct Answer(s): D Marked as: Correct _______________________________________________

Question 9:

An aftercooler on a reciprocating compressor:

A - Condenses both oil and water from the compressed gas B - Increases the weakening of parts due to high temperatures 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: A Correct Answer(s): A Marked as: Correct _______________________________________________

Question 10:

Large, multi-stage gas compressors are usually configured in a back-to-back arrangement because this design:

A - Eliminates the need for intercooling B - Neutralizes the axial thrust forces across the impellers C - Allows for injection cooling D - Provides for higher discharge pressures than other designs Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct Question 1:

Provided there is no shut-off valve between an aftercooler and an air receiver, a safety valve on the aftercooler is unnecessary.

A - True B - False Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________

Question 2:

The major section of the separator vessel labeled "B" in the diagram below is referred to as the:

A - Coalescing section B - Sump (liquid collection) section C - Secondary or gravity section D - Primary separation section Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________

Question 3:

The heat exchanger on the discharge of the compressor following the completion of compression is called the:

A - Intercooler B - Aftercooler C - Hot mist extractor D - Vortex breaker Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): B Marked as: Incorrect _______________________________________________

Question 4:

Which of the following is not a result of cooling the gas with an intercooler and/or aftercooler:

A - Removal of water and oil vapours from the gas stream B - Increased the amount of power required to compress the gas C - More effective cylinder lubrication D - Reduces weakening of parts due to high temperatures Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________

Question 5:

The inlet nozzle in the primary section of separator vessels is designed to take advantage of the effects of the:

A - Centrifugal force of the discharge stream B - Centripetal force of the inlet stream C - Gravitational forces within the compartment D - Centrifugal force of the inlet stream Correctness Rule: Single Correct Answer Required Answer(s) Given: D Correct Answer(s): D Marked as: Correct _______________________________________________

Question 6:

The large surface area provided within a horizontal separator allows for:

A - Optimum retention of trapped gas B - Lower equipment cost when compared to vertical separators C - Optimum release of trapped gas D - Ease of liquid level control Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________

Question 7:

The vertical separator is chosen for process applications where:

A - The gas/liquid ratio is low or where total gas volumes are high B - The gas/liquid ratio is high or where total gas volumes are low C - Large volumes of total fluids containing large amounts of dissolved gases are present D - The gas/liquid ratio is low or where total gas volumes are low Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________

Question 8:

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 9:

Large, multi-stage gas compressors are usually configured in a _______________ arrangement to aid in balancing residual axial thrust forces.

A - double-flow B - front-to-back C - back-to-back D - side-by-side Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________

Question 10:

Because their configuration provides a __________________ the use of horizontal separators allows for optimal release of trapped gas.

A - greater degree of level control B - reduced surface area C - superior control of process temperatures D - greater surface area Correctness Rule: Single Correct Answer Required Answer(s) Given: D Correct Answer(s): D Marked as: Correct Question 1:

Large, multi-stage gas compressors are usually configured in a _______________ arrangement to aid in balancing residual axial thrust forces.

A - double-flow B - front-to-back C - back-to-back D - side-by-side Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________

Question 2:

The major section of the separator vessel labeled "C" in the diagram below is referred to as the:

A - Primary separation section B - Coalescing section C - Sump (liquid collection) section D - Secondary or gravity section Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________

Question 3:

Gas compressor intercoolers should be equipped with:

A - A safety valve B - A coalescing section C - Mist extractors D - Vents Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________

Question 4:

In a vertical separator, where the gas line enters the scrubber, the baffle plate serves to:

A - Increase the velocity of the gas by changing its direction B - Reduce the pressure of the gas when it enters the scrubber C - Protect the side of the scrubber from corrosion D - Direct the gas into a swirling motion causing entrained liquids to drop out Correctness Rule: Single Correct Answer Required Answer(s) Given: D Correct Answer(s): D Marked as: Correct _______________________________________________

Question 5:

Intercooling involves:

A - Cooling the gas before compression B - Cooling the gas by water injection C - Cooling the gas between stages of compression D - Cooling the gas following the completion of compression Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________

Question 6:

Side-stream compressors are popular in process gas streams or flows from economizers in refrigeration compression. These compressors are _____________ centrifugal compressors.

A - reciprocating B - single-stage C - two-stage D - four-stage Correctness Rule: Single Correct Answer Required Answer(s) Given: D Correct Answer(s): D Marked as: Correct _______________________________________________

Question 7:

To reduce the gas temperature between states of a gas compressor a/an ___________ is utilized.

A - separator B - aftercooler C - mist extractor D - intercooler Correctness Rule: Single Correct Answer Required Answer(s) Given: D Correct Answer(s): D Marked as: Correct _______________________________________________

Question 8:

The major section of the separator vessel labeled "D" in the diagram below is referred to as the:

A - Sump (liquid collection) section B - Coalescing section C - Secondary or gravity section D - Primary separation section Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________

Question 9:

The major section of the separator vessel labeled "A" in the diagram below is referred to as the:

A - Secondary or gravity section B - Coalescing section C - Sump (liquid collection) section D - Primary separation section Correctness Rule: Single Correct Answer Required Answer(s) Given: D Correct Answer(s): D Marked as: Correct _______________________________________________

Question 10:

The vertical separator is chosen for process applications where:

A - The gas/liquid ratio is high or where total gas volumes are low B - Large volumes of total fluids containing large amounts of dissolved gases are present C - The gas/liquid ratio is low or where total gas volumes are low D - The gas/liquid ratio is low or where total gas volumes are high Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct Question 1:

The inlet nozzle in the primary section of separator vessels is designed to take advantage of the effects of the:

A - Centripetal force of the inlet stream B - Centrifugal force of the discharge stream C - Gravitational forces within the compartment D - Centrifugal force of the inlet stream Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): D Marked as: Incorrect _______________________________________________

Question 2:

Because their configuration provides a __________________ the use of horizontal separators allows for optimal release of trapped gas.

A - greater surface area B - greater degree of level control C - reduced surface area D - superior control of process temperatures Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________

Question 3:

The major section of the separator vessel labeled "D" in the diagram below is referred to as the:

A - Coalescing section B - Secondary or gravity section C - Primary separation section D - Sump (liquid collection) section Correctness Rule: Single Correct Answer Required Answer(s) Given: D Correct Answer(s): D Marked as: Correct _______________________________________________

Question 4:

An aftercooler on a reciprocating compressor:

A - Reduces the level of liquids in the scrubber by operating the dump valve B - Condenses both oil and water from the compressed gas C - Increases the weakening of parts due to high temperatures 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 5:

A header is installed in the gas outlet downstream of a scrubber to:

A - Reduce the velocity of the gas between the scrubber and the compressor B - Keep the pressure entering the compressor as low as possible C - Provide a final collection spot for any liquids carried over from the scrubber D - Allow equal distribution of the gas to more than one compressor Correctness Rule: Single Correct Answer Required Answer(s) Given: D Correct Answer(s): D Marked as: Correct _______________________________________________

Question 6:

In separator vessels, regardless of shape or capacity, the secondary section uses:

A - A pad made up of knitted wire mesh, or a series of cyclonic passages B - The effects of the centrifugal force of the inlet stream to separate liquids from the gas C - A sump to collect all liquids removed from the gas D - The force of gravity to help separate entrained droplets of liquid from the stream Correctness Rule: Single Correct Answer Required Answer(s) Given: D Correct Answer(s): D Marked as: Correct _______________________________________________

Question 7:

Intercoolers are never equipped with a safety valve, pressure gauges and thermometers on the compressed gas and cooling water piping.

A - True B - False Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________

Question 8:

Side-stream compressors are popular in process gas streams or flows from economizers in refrigeration compression. These compressors are _____________ centrifugal compressors.

A - two-stage B - four-stage C - reciprocating D - single-stage Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): B Marked as: Incorrect _______________________________________________

Question 9:

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