CWLP Quality Control 2

Question 1

Which statistical tool is used to identify the root cause of defects by organizing potential causes into categories?

Accepted Answer

Fishbone diagram

Answer

A fishbone (Ishikawa) diagram categorizes potential causes of a defect into branches such as man, machine, method, and material.

Question 2

A warehouse receives a shipment of 5,000 units. Using an AQL of 2.5 with a sample size of 125, inspectors find 6 defects. What is the appropriate action?

Accepted Answer

Accept the shipment

Answer

At AQL 2.5 with a sample size of 125, the acceptance number is typically 7, so 6 defects falls within the acceptable range.

Question 3

What does FIFO stand for in warehouse quality and inventory management?

Accepted Answer

First In, First Out

Answer

FIFO (First In, First Out) ensures older inventory is used or shipped before newer stock, reducing spoilage and obsolescence.

Question 4

Which document provides the agreed-upon specifications and quality standards that inbound shipments must meet?

Accepted Answer

Vendor quality agreement

Answer

A vendor quality agreement formally defines the quality standards, inspection criteria, and compliance requirements that suppliers must meet.

Question 5

A control chart shows data points consistently trending upward over 7 consecutive points. This pattern indicates:

Accepted Answer

A process shift requiring investigation

Answer

Seven consecutive points trending in one direction is a Western Electric rule violation, signaling a non-random process shift that requires investigation.

(CWLP) Certified Warehouse and Logistics Professional Practice Test

(CWLP) Certified Warehouse and Logistics Professional Practice Test

CWLP Quality Control 2