What is the Cycle Time, in minutes, for a process having a Throughput of 360 units per hour?

Question

Options

• A0.167
• B0.333
• C0.667
• D1.333

• A
  84% (51)
• B
  2% (1)
• C
  5% (3)
• D
  10% (6)

Explanation

Option A (0.167 minutes) is correct because Cycle Time is the reciprocal of Throughput: CT = 1 / TH. Converting the throughput to units per minute gives 360 ÷ 60 = 6 units/minute, and 1 ÷ 6 = 0.167 minutes per unit.

The distractors reflect common conversion or formula errors: B (0.333) results from using a throughput of 3 units/minute (180 units/hour - half the given rate), C (0.667) corresponds to a throughput of 1.5 units/minute (90 units/hour), and D (1.333) comes from inverting the relationship or misapplying the formula entirely, yielding a CT far larger than the actual processing rate supports.

Memory tip: Think "CT = 1/TH" and always normalize units first - convert throughput to per minute before taking the reciprocal. A throughput of 360/hour means 6/minute, so the system completes one unit every 1/6th of a minute ≈ 0.167.

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