CMPR 6007_Gas Compression - Compressor Components 4 page

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Question 2:

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

A - Secondary or gravity section
B - Sump (liquid collection) section
C - Coalescing section
D - Primary separation section

Correctness Rule: Single Correct Answer Required

Answer(s) Given: D
Correct Answer(s): D
Marked as: Correct

_______________________________________________

Question 3:

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

A - Secondary or gravity section
B - Primary separation section
C - Sump (liquid collection) section
D - Coalescing section

Correctness Rule: Single Correct Answer Required

Answer(s) Given: D
Correct Answer(s): D
Marked as: Correct

_______________________________________________

Question 4:

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

A - Sump (liquid collection) section
B - Primary separation section
C - Coalescing section
D - Secondary or gravity section

Correctness Rule: Single Correct Answer Required

Answer(s) Given: D
Correct Answer(s): D
Marked as: Correct

_______________________________________________

Question 5:

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

A - reduced surface area
B - greater surface area
C - superior control of process temperatures
D - greater degree of level control

Correctness Rule: Single Correct Answer Required

Answer(s) Given: B
Correct Answer(s): B
Marked as: Correct

_______________________________________________

Question 6:

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

A - Intercooler
B - Vortex breaker
C - Aftercooler
D - Hot mist extractor

Correctness Rule: Single Correct Answer Required

Answer(s) Given: C
Correct Answer(s): C
Marked as: Correct

_______________________________________________

Question 7:

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 8:

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

A - The force of gravity to help separate entrained droplets of liquid from the stream
B - A pad made up of knitted wire mesh, or a series of cyclonic passages
C - The effects of the centrifugal force of the inlet stream to separate liquids from the gas
D - A sump to collect all liquids removed from the gas

Correctness Rule: Single Correct Answer Required

Answer(s) Given: A
Correct Answer(s): A
Marked as: Correct

_______________________________________________

Question 9:

An aftercooler on a reciprocating compressor:

A - Reduces the level of liquids in the scrubber by operating the dump valve
B - Increases the weakening of parts due to high temperatures
C - Condenses both oil and water from the compressed gas
D - Increases the possibility of explosions of oil vapour mixed with air

Correctness Rule: Single Correct Answer Required

Answer(s) Given: C
Correct Answer(s): C
Marked as: Correct

_______________________________________________

Question 10:

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

A - Gravitational forces within the compartment
B - Centrifugal force of the discharge stream
C - Centripetal force of the inlet stream
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 1:

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

A - Lower equipment cost when compared to vertical separators
B - Ease of liquid level control
C - Optimum retention of trapped gas
D - Optimum release of trapped gas

Correctness Rule: Single Correct Answer Required

Answer(s) Given: D
Correct Answer(s): D
Marked as: Correct

_______________________________________________

Question 2:

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

A - mist extractor
B - intercooler
C - separator
D - aftercooler

Correctness Rule: Single Correct Answer Required

Answer(s) Given: B
Correct Answer(s): B
Marked as: Correct

_______________________________________________

Question 3:

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 4:

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 5:

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:

Intercooling involves:

A - Cooling the gas by water injection
B - Cooling the gas following the completion of compression
C - Cooling the gas before compression
D - Cooling the gas between stages of compression

Correctness Rule: Single Correct Answer Required

Answer(s) Given: D
Correct Answer(s): D
Marked as: Correct

_______________________________________________

Question 10:

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

Date: 2015-12-11; view: 781