4.3. References and Next Lecture Preview

Try these first

1. 1.

   What is the balance number of trucks if the truck cycle time is 39.5 minutes and loader cycle time is 5.5 minutes?

   Hint

   Use the formula: Truck Cycle Time ÷ Loader Cycle Time.

2. 2.

   If there are 6 trucks and each produces 12.53 cubic meters per hour, what is the total productivity?

   Hint

   Multiply the number of trucks by productivity per truck.

3. 3.

   What does the balance number of trucks determine?

   • The cost of trucks
   • Productivity and efficiency
   • The speed of operation

   Hint

   Consider how productivity is affected by capacity.

4. 4.

   True or False: Exceeding the balance number always leads to better productivity.

   • True
   • False

   Hint

   Reflect on the loader's and trucks' roles.

5. 5.

   A manager considers using 10 trucks for a loader operating at maximum productivity of 90 cubic meters per hour. Should they proceed, given that analysis shows no improvement in productivity beyond the balance number?

   Hint

   Focus on analyzing the productivity limitations.

6. 6.

   Calculate the overall effectiveness of an operation with 9 trucks at a unit cost of 180 rupees per cubic meter compared to an operation using a balance number at 162.47 rupees per cubic meter. What is the economic rationale for operating at the balance number?

   Hint

   Consider cost comparison and productivity impact.