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Question

Difficulty: MediumLiteral Comprehension and Fact Retrieval

Read the passage below and answer the question that follows:

The Kainji Dam, constructed between 1964 and 1968 across the River Niger in Kwara State, Nigeria, was designed to generate hydroelectric power, control downstream flooding, and enhance navigation. Spanning a total length of 10 kilometers, including its saddle dams, the reservoir formed by the dam created Kainji Lake, which covers an area of roughly 1,300 square kilometers. To facilitate upstream and downstream water transport, a dual-lock system was integrated into the dam structure, allowing cargo barges to bypass the rapids. Although initially commissioned with four generating turbines producing a combined capacity of 320 megawatts, space was reserved within the powerhouse for eventual expansion up to twelve turbines.

Which specific feature was integrated into the Kainji Dam structure to enable cargo barges to bypass the rapids?

  1. A dual-lock systemAnswer
  2. B
    A 10-kilometer saddle dam
  3. C
    Four generating turbines
  4. D
    A 1,300-square-kilometer reservoir

Answer

A dual-lock system was integrated into the Kainji Dam structure to enable cargo barges to bypass the rapids.
The text directly establishes that a dual-lock system was built into the dam structure specifically to enable cargo barges to navigate past the rapids.

Step-by-Step Solution

1
Identify the key requirement in the question stem.
The target information is the specific engineering feature built into the dam to assist cargo barges in navigating around rapids.
Literal comprehension questions require locating exact factual details explicitly mentioned in the text.
2
Locate the sentence addressing water transport and navigation in the passage.
The text states: 'To facilitate upstream and downstream water transport, a dual-lock system was integrated into the dam structure, allowing cargo barges to bypass the rapids.'
The text explicitly links the dual-lock system to allowing cargo barges to bypass rapids.

Key Concept

Literal Fact Retrieval from Expository Text
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Topics

Literal Comprehension and Fact Retrieval

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