10 free, exam-style Certified Professional Logistician (CPL) practice questions with answers and explanations. No signup required. Work through them below, then take the full free CPL practice test to study every exam domain.
A logistics engineer is reviewing the eight classic Integrated Logistics Support (ILS) elements for a new defense program. Which of the following is NOT one of the eight ILS elements?
Correct answer: B - Configuration Management
A logistics program manager tells her team: 'If I don't monitor every step of what these people do, the work won't get done. People fundamentally want to do the minimum required, and they need direct oversight and clear consequences to stay productive.' According to McGregor, this manager's assumption BEST reflects:
Correct answer: C - Theory X
A logistics support system is composed of three subsystems connected in series. Subsystem A has a reliability of 0.95, Subsystem B has a reliability of 0.90, and Subsystem C has a reliability of 0.85. What is the overall system reliability?
Correct answer: D - 0.7268
A contractor reports an Inherent Availability (Ai) of 0.96 for a new ground support system based on design specifications. After six months of field deployment, the using unit measures an Operational Availability (Ao) of 0.71 for the same system under the same operational profile. The MOST likely explanation for this gap is:
Correct answer: A - Logistics and administrative delays are extending total system downtime beyond active repair time
During a Failure Modes, Effects, and Criticality Analysis (FMECA) conducted per MIL-STD-1629, a reliability engineer identifies a failure mode that would result in complete loss of a combat mission but would not cause injury to personnel or permanent damage to the system itself. Per MIL-STD-1629, this failure mode is assigned Severity Category:
Correct answer: B - II - Critical
A repairable system has two line-replaceable units (LRUs). LRU-1 has a failure rate of 0.04 failures per hour and a mean corrective maintenance time of 3.0 hours. LRU-2 has a failure rate of 0.01 failures per hour and a mean corrective maintenance time of 7.0 hours. What is the system Mean Corrective Maintenance Time (Mct)?
Correct answer: A - 3.8 hours
A program manager is applying PERT analysis to a critical path activity. Subject matter experts provide the following duration estimates: optimistic = 2 weeks, most likely = 5 weeks, pessimistic = 14 weeks. Using the standard PERT formula, the expected duration (te) for this activity is:
Correct answer: B - 6.0 weeks
A government program office is negotiating the contract type for a complex system development effort with highly uncertain technical requirements and no meaningful cost history. The contracting officer wants to select the contract type that places the MAXIMUM cost risk on the government. Which contract type best meets this criterion?
Correct answer: A - Cost Plus Fixed Fee (CPFF)
A logistics planner is comparing transportation modes to move refined petroleum products continuously between a refinery and a tank farm 300 miles away. The planning criteria weight operational reliability and continuity of supply above all other factors. Among all transportation modes, which offers the HIGHEST level of dependability for this application?
Correct answer: C - Pipeline
A manufacturer is selecting a plant location for an aluminum smelting operation. The process consumes 4 tons of bauxite ore (a localized raw material) to produce 1 ton of finished aluminum ingot. Using Weber's location theory and considering only the localized raw material input, what is the Material Index (MI) for this operation, and what location decision does it imply?
Correct answer: C - MI = 4.0; locate near the bauxite source
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