Efficiency capacity is calculated as actual output divided by which quantity?

Efficiency capacity is calculated as actual output divided by which quantity?

• A. Design capacity
• B. Effective capacity
• C. Utilization capacity
• D. Actual output / Effective capacity

Answer: (D)

Efficiency in capacity planning shows how effectively the system converts what it could realistically produce into actual output. It is calculated by dividing actual output by the effective capacity—the realistic maximum the system can achieve after accounting for downtime, maintenance, and other real-world constraints. For example, if the design capacity is 1000 units but downtime reduces the effective capacity to 800 units, and the actual output is 700 units, efficiency = 700 / 800 = 0.875 (87.5%). This tells you how well the operation uses its available capacity. If you used the design capacity in the denominator, you’d get utilization (700 / 1000 = 70%), which measures something different. So the correct calculation is actual output divided by the effective capacity.

Efficiency in capacity planning shows how effectively the system converts what it could realistically produce into actual output. It is calculated by dividing actual output by the effective capacity—the realistic maximum the system can achieve after accounting for downtime, maintenance, and other real-world constraints. For example, if the design capacity is 1000 units but downtime reduces the effective capacity to 800 units, and the actual output is 700 units, efficiency = 700 / 800 = 0.875 (87.5%). This tells you how well the operation uses its available capacity. If you used the design capacity in the denominator, you’d get utilization (700 / 1000 = 70%), which measures something different. So the correct calculation is actual output divided by the effective capacity.