MCQ(s) On Optimization Research Unit 1: Applications of LP (2024)

MCQ(s) On Optimization Research Unit 1: Applications of LP

Question: 1

What is the main objective of the transportation problem in linear programming?

  1. To minimize the transportation time
  2. To minimize the transportation cost
  3. To maximize the number of routes
  4. To maximize the transportation distance
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Correct Answer: B. To minimize the transportation cost

Explanation: The transportation problem aims to determine the most cost-effective way to distribute products from several suppliers to several consumers while minimizing the total transportation cost.

Question: 2

In the transportation problem, what do the supply constraints represent?

  1. The maximum demand at each destination
  2. The minimum transportation cost
  3. The availability of goods at each source
  4. The capacity of each transportation route
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Correct Answer: C. The availability of goods at each source

Explanation: Supply constraints represent the amount of goods available at each source, ensuring that the shipments from each source do not exceed its supply.

  1. Hungarian method
  2. Simplex method
  3. Northwest corner method
  4. Dijkstra's algorithm
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Correct Answer: C. Northwest corner method

Explanation: The Northwest corner method is a technique used to find an initial feasible solution for the transportation problem by starting at the top-left (northwest) corner of the cost matrix.

Question: 4

In the context of the assignment problem, what does the objective function typically seek to optimize?

  1. The total time
  2. The total cost
  3. The total distance
  4. The total resources
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Correct Answer: B. The total cost

Explanation: The objective of the assignment problem is to assign tasks to agents in such a way that the total assignment cost is minimized.

Question: 5

What is the key difference between the transportation problem and the assignment problem?

  1. The transportation problem deals with minimizing costs, while the assignment problem deals with maximizing profits
  2. The transportation problem involves sources and destinations, while the assignment problem involves agents and tasks
  3. The transportation problem is solved using the Hungarian method, while the assignment problem is solved using the Simplex method
  4. The transportation problem is linear, while the assignment problem is nonlinear
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Correct Answer: B. The transportation problem involves sources and destinations, while the assignment problem involves agents and tasks

Explanation: The transportation problem involves distributing goods from multiple sources to multiple destinations, whereas the assignment problem involves assigning tasks to agents such that the total cost is minimized.

Question: 6

Which of the following algorithms is commonly used to solve the assignment problem?

  1. Prim's algorithm
  2. Kruskal's algorithm
  3. Hungarian algorithm
  4. Floyd-Warshall algorithm
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Correct Answer: C. Hungarian algorithm

Explanation: The Hungarian algorithm is an efficient method used to solve the assignment problem by finding the optimal assignment that minimizes the total cost.

Question: 7

What is the term used for a solution in the transportation problem where all supply and demand constraints are satisfied?

  1. Feasible solution
  2. Optimal solution
  3. Degenerate solution
  4. Unbounded solution
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Correct Answer: A. Feasible solution

Explanation: A feasible solution in the transportation problem is one where all supply and demand constraints are satisfied, meaning all the goods are distributed without violating any constraints.

Question: 8

In a balanced transportation problem, what is true about the total supply and total demand?

  1. Total supply is less than total demand
  2. Total supply is greater than total demand
  3. Total supply equals total demand
  4. Total supply and demand are unrelated
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Correct Answer: C. Total supply equals total demand

Explanation: In a balanced transportation problem, the total supply exactly matches the total demand, ensuring that all goods can be distributed without surplus or shortage.

Question: 9

Which of the following represents an assignment problem scenario?

  1. Distributing goods from warehouses to stores
  2. Assigning workers to specific jobs
  3. Allocating resources to multiple projects
  4. Scheduling flights between cities
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Correct Answer: B. Assigning workers to specific jobs

Explanation: The assignment problem involves allocating resources (such as workers) to specific tasks or jobs in a way that optimizes the overall cost or efficiency.

Question: 10

In the transportation problem, what does the term 'degeneracy' refer to?

  1. A situation where the supply exceeds the demand
  2. A situation where multiple optimal solutions exist
  3. A situation where the number of allocations is less than \( m + n - 1 \)
  4. A situation where there are infeasible solutions
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Correct Answer: C. A situation where the number of allocations is less than \( m + n - 1 \)

Explanation: Degeneracy in the transportation problem occurs when the number of basic variables (allocations) is less than \( m + n - 1 \), where \( m \) is the number of rows and \( n \) is the number of columns in the cost matrix.

Previous: The Simplex MethodNext: Unit II

MCQ(s) On Optimization Research Unit 1: Applications of LP (2024)

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