CPT Quality Control & Testing 4

Question 1

What is the primary purpose of ISTA (International Safe Transit Association) testing protocols?

Accepted Answer

Simulate real-world distribution hazards to verify package performance

Answer

ISTA protocols simulate the shock, vibration, and climate hazards packages encounter during actual distribution.

Question 2

In a corrugated box compression test, what does BCT stand for?

Accepted Answer

Box Compression Test

Answer

BCT (Box Compression Test) measures the maximum load a filled corrugated box can withstand before collapsing.

Question 3

Which gas analysis method is most commonly used to measure headspace oxygen in modified atmosphere packages?

Accepted Answer

Portable headspace analyzer with electrochemical sensor

Answer

Portable headspace analyzers with electrochemical oxygen sensors are the most practical and common method for MAP quality control.

Question 4

A control chart with all points within control limits but 9 consecutive points on one side of the centerline indicates:

Accepted Answer

A non-random pattern suggesting a process shift

Answer

Nine consecutive points on one side of the centerline is a Nelson/Western Electric run rule indicating a non-random process shift.

Question 5

What does OTR measure in packaging material testing?

Accepted Answer

Oxygen Transmission Rate

Answer

OTR (Oxygen Transmission Rate) quantifies how much oxygen passes through a packaging material per unit area per unit time.

(CPT) Certified Packaging Technologist Practice Test