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Lock and Dam No. 19 is situated on the Missouri River.
Answer: False
Explanation: The structure is located on the Upper Mississippi River, not the Missouri River.
The Keokuk Energy Center is the largest privately-owned dam on the Mississippi River.
Answer: True
Explanation: The Keokuk Energy Center holds the distinction of being the largest privately-owned-and-operated dam on the Mississippi River.
The catchment area for Lock and Dam No. 19 is approximately 310,000 square miles.
Answer: False
Explanation: The catchment area for Lock and Dam No. 19 is approximately 310,000 square kilometers, not square miles.
What is the primary function of Lock and Dam No. 19?
Answer: Water transport and power generation
Explanation: Lock and Dam No. 19 serves a dual purpose: facilitating water transport through its lock system and generating hydroelectric power via its dam.
Which river is Lock and Dam No. 19 located on?
Answer: Upper Mississippi River
Explanation: Lock and Dam No. 19 is situated on the Upper Mississippi River, between Keokuk, Iowa, and Hamilton, Illinois.
What is the current status of the Keokuk Energy Center regarding ownership on the Mississippi River?
Answer: It is the largest privately-owned-and-operated dam.
Explanation: The Keokuk Energy Center continues to operate as the largest privately-owned-and-operated dam situated on the Mississippi River.
The catchment area for Lock and Dam No. 19 covers approximately how many square kilometers?
Answer: 310,000 sq km
Explanation: The catchment area for Lock and Dam No. 19 spans approximately 310,000 square kilometers (119,000 square miles).
What is the address associated with Lock and Dam No. 19?
Answer: 525 N. Water St., Keokuk, Iowa
Explanation: The official address associated with Lock and Dam No. 19 is 525 N. Water St., Keokuk, Iowa.
The main lock at Lock and Dam No. 19 was completed in 1957.
Answer: True
Explanation: The construction of the main lock at Lock and Dam No. 19 was completed in 1957.
The original 1913 lock was designed similarly to the Panama Canal locks.
Answer: True
Explanation: The 1913 lock was indeed a variant of the design employed for the Panama Canal locks.
The 1913 lock and dry dock were dewatered in 1977 using a concrete barrier.
Answer: False
Explanation: The 1913 lock and dry dock were dewatered in 1977 by constructing a sheet pile and cell closure, not a concrete barrier.
The dam at Lock and Dam No. 19 was completed in 1913, while the main lock was completed in 1957.
Answer: True
Explanation: The dam construction concluded in 1913, whereas the main lock was completed significantly later, in 1957.
The 1957 lock measures 358 feet in length.
Answer: False
Explanation: The main lock completed in 1957 measures 1,200 feet in length, not 358 feet, which was the length of the original 1913 lock.
The dry dock associated with the 1913 lock was deeper than the lock itself.
Answer: False
Explanation: The dry dock was 20 feet deep, while the 1913 lock had a lift of 40 feet, indicating the lock chamber itself was deeper than the dry dock.
The movable portion of the dam contains 119 gates, each 30 meters wide.
Answer: False
Explanation: The movable portion of the dam features 119 gates, but each gate measures 30 feet (approximately 9 meters) in width, not 30 meters.
A barge crane is used to remove the dam's gates.
Answer: False
Explanation: The removal of the dam's gates is performed by a gantry crane operating on the service bridge, not a barge crane.
The original 1913 lock had a lift of 12 meters.
Answer: True
Explanation: The original 1913 lock indeed had a lift height of 12 meters (40 feet).
What were the dimensions of the main lock completed in 1957?
Answer: 1200 ft long, 110 ft wide
Explanation: The main lock, put into operation in 1957, measures 1,200 feet (366 meters) in length and 110 feet (34 meters) in width.
The original lock constructed between 1910 and 1913 had a lift of approximately how many feet?
Answer: 40 feet
Explanation: The original 1913 lock had a lift height of approximately 40 feet (12 meters).
How long is the movable portion of the dam at Lock and Dam No. 19?
Answer: 4,620 feet
Explanation: The movable portion of the dam at Lock and Dam No. 19 measures 4,620 feet (1,408 meters) in length.
What mechanism is used to install or remove the dam's gates?
Answer: A gantry crane operating on the service bridge
Explanation: The installation and removal of the dam's gates are performed by a gantry crane that operates on the service bridge situated above the dam.
What was the construction cost of the main lock completed in 1957?
Answer: $13.5 million
Explanation: The construction of the main lock completed in 1957 incurred a cost of $13.5 million.
What is the length of the 1913 lock at Lock and Dam No. 19?
Answer: 358 feet
Explanation: The original 1913 lock measured 358 feet (109 meters) in length.
The Keokuk powerhouse was the largest single-powerhouse electricity-generating plant globally when completed in 1913.
Answer: True
Explanation: Upon its completion in 1913, the Keokuk powerhouse held the distinction of being the world's largest-capacity single-powerhouse electricity-generating plant.
The Keokuk Power House has a generating capacity of 142 gigawatts.
Answer: False
Explanation: The Keokuk Power House has a generating capacity of 142 megawatts (MW), not gigawatts (GW).
The powerhouse contains 15 generators, all originally designed for 60 Hz power.
Answer: False
Explanation: While the powerhouse contains 15 generators, they were originally designed for 25 Hz power, not 60 Hz.
The original 25 Hz generators were notable because long-distance power transmission was common at that time.
Answer: False
Explanation: The 25 Hz frequency was notable because long-distance power transmission was not yet common during that era.
In 1910, contracts were made to supply electricity to Chicago.
Answer: False
Explanation: In 1910, electricity contracts were established to supply power to St. Louis, Missouri, not Chicago.
The transmission of power to St. Louis in 1910 was significant because it was over 100 miles.
Answer: True
Explanation: These contracts were significant as they involved transmitting electric power over 100 miles downstream to St. Louis, a distance far greater than typical power transmission capabilities at that time.
Upon its completion in 1913, the Keokuk powerhouse held what global distinction?
Answer: The largest capacity single-powerhouse electricity-generating plant
Explanation: Upon its completion in 1913, the Keokuk powerhouse held the distinction of being the world's largest-capacity single-powerhouse electricity-generating plant.
What is the total generating capacity of the Keokuk Power House?
Answer: 142 megawatts
Explanation: The Keokuk Power House has a generating capacity of 142 megawatts (MW).
How many generators are housed within the Keokuk powerhouse?
Answer: 15
Explanation: The Keokuk powerhouse is equipped with a total of 15 generators.
Why was the original 25 Hz frequency of the Keokuk powerhouse notable?
Answer: Long-distance power transmission was not common then.
Explanation: The 25 Hz frequency was notable because long-distance power transmission was not yet common during that era, making the plant's reach significant.
In 1910, electricity generated at Keokuk was contracted to be supplied to which major city?
Answer: St. Louis, Missouri
Explanation: In 1910, contracts were established to supply electricity generated at Keokuk to St. Louis, Missouri.
The Keokuk powerhouse originally generated power at what frequency?
Answer: 25 Hz
Explanation: The original generators at the Keokuk powerhouse were designed to produce power at a frequency of 25 Hz.
Which of the following is NOT listed as a facility that generates electricity on the Mississippi River system besides Lock and Dam No. 19?
Answer: Lock and Dam No. 10
Explanation: The provided information lists Lock and Dam No. 1, Lock and Dam No. 2, and the Upper St. Anthony Falls dam as other electricity-generating facilities on the Mississippi River system, but does not mention Lock and Dam No. 10 in this context.
The construction of Lock and Dam No. 19 eliminated the Des Moines Rapids.
Answer: True
Explanation: The construction of Lock and Dam No. 19 effectively obliterated the Des Moines Rapids, a significant natural impediment to river navigation.
Efforts to improve the Des Moines Rapids began in the early 1900s.
Answer: False
Explanation: Initiatives to improve the navigability of the Des Moines Rapids commenced in 1837, predating the early 1900s.
The Keokuk-Hamilton Bridge is visible in the foreground of the aerial view of the locks.
Answer: True
Explanation: The aerial view of the locks clearly shows the Keokuk-Hamilton Bridge, along with the old Keokuk Rail Bridge, in the foreground.
Upon its completion, the Lock and Dam No. 19 dam was the longest in the world.
Answer: False
Explanation: Upon completion, the dam was the second longest in the world, surpassed by the Aswan Low Dam.
The bullnose of the Des Moines Rapids Canal is the most recently constructed part of the facility.
Answer: False
Explanation: The bullnose of the Des Moines Rapids Canal is recognized as the oldest part of the facility, being the last remaining section of the 1870s canal.
The Lock and Dam No. 19 Historic District was added to the National Register of Historic Places in 1978.
Answer: False
Explanation: The Lock and Dam No. 19 Historic District was added to the National Register of Historic Places in 2004, not 1978.
HAER No. IA-27 documents the Mississippi River 9-Foot Channel and Lock & Dam No. 19.
Answer: True
Explanation: Historic American Engineering Record (HAER) No. IA-27 indeed provides documentation for the Mississippi River 9-Foot Channel and Lock & Dam No. 19.
What natural obstacle was removed by the construction of Lock and Dam No. 19?
Answer: The Des Moines Rapids
Explanation: The construction of Lock and Dam No. 19 effectively removed the Des Moines Rapids, a significant navigational hazard on the Mississippi River.
What was the approximate depth of the Mississippi River at the Des Moines Rapids before efforts began in 1837?
Answer: 2 feet 6 inches (76 cm)
Explanation: Before improvement efforts commenced in 1837, the Mississippi River's depth at the Des Moines Rapids was approximately 2 feet 6 inches (76 cm).
Which of the following bridges is NOT mentioned as being visible in the foreground of the aerial view of the locks?
Answer: Burlington Bridge
Explanation: The aerial view mentions the Keokuk Rail Bridge (also referred to as the Old Keokuk Rail Bridge) and the Keokuk-Hamilton Bridge, but not the Burlington Bridge.
What is the bullnose of the Des Moines Rapids Canal recognized as?
Answer: The last remaining section of the 1870s canal and the oldest part of the facility
Explanation: The bullnose of the Des Moines Rapids Canal is recognized as the oldest part of the facility, being the last remaining section of the canal constructed around the 1870s.
The Lock and Dam No. 19 Historic District was added to the National Register of Historic Places (NRHP) in what year?
Answer: 2004
Explanation: The Lock and Dam No. 19 Historic District was added to the National Register of Historic Places in 2004.
What is the NRHP reference number for the Keokuk Lock and Dam's initial listing in 1978?
Answer: #78001234
Explanation: The Keokuk Lock and Dam was assigned the National Register of Historic Places reference number #78001234 upon its initial listing in 1978.
Modernization efforts after World War II included converting generators to 25 Hz.
Answer: False
Explanation: Post-World War II modernization efforts involved converting generators from 25 Hz to 60 Hz, not the other way around.
Ameren Missouri is replacing the original 1913 turbines with composite turbines.
Answer: False
Explanation: Ameren Missouri is replacing the original 1913 turbines with more efficient stainless-steel turbines, not composite ones.
What significant modernization occurred at the Keokuk powerhouse after World War II?
Answer: Generators were converted from 25 Hz to 60 Hz.
Explanation: Post-World War II modernization efforts involved the progressive conversion of the original 25-hertz generators to 60-hertz.
What is Ameren Missouri currently doing with the original 1913 turbines?
Answer: Replacing them with more efficient stainless-steel turbines
Explanation: Ameren Missouri is in the process of replacing the original 1913 turbines with more efficient stainless-steel turbines.