Weights & Measures Certification Flashcards
7 cards from real CST practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Weights & Measures Certification flashcards as text
Which Handbook 44 requirement addresses the minimum capacity below which a scale should NOT be used for commercial transactions?
Answer: Minimum capacity (Min)
Minimum capacity (Min) defines the smallest load for which the scale's indication meets the required accuracy, below which the device should not be used for trade.
When conducting a field inspection of a gasoline dispenser meter, what primary standard instrument is used to verify accuracy?
Answer: A calibrated prover (test measure)
Inspectors use NIST-traceable provers (calibrated volumetric test measures) to verify the accuracy of liquid-measuring devices such as fuel dispensers.
A customer complaint states a deli scale consistently gives short weight. During inspection, the scale passes all static tests but the complaint persists. What additional test should the technician perform?
Answer: Repeatability test under dynamic (in-motion) conditions
A repeatability test under realistic operating conditions can reveal inconsistencies that static tests miss, particularly for scales used rapidly in a deli environment.
Under NIST Handbook 44, what is the purpose of the 'discrimination test' for a weighing instrument?
Answer: To verify the scale can detect a small change in load equal to the scale division value
The discrimination test checks that the scale's indicating element responds to a small additional load (typically one division value) placed on the platform, confirming adequate sensitivity.
In California, weights and measures inspection programs for commercial devices are primarily administered by which entity?
Answer: County Agricultural Commissioner / Sealer of Weights and Measures
In California, the County Agricultural Commissioner / Sealer of Weights and Measures enforces the California Business and Professions Code weights and measures provisions at the local level.
What does 'as-found' condition mean in the context of a scale inspection?
Answer: The condition of the scale at the start of an inspection before any adjustments
'As-found' refers to the scale's performance characteristics observed at the beginning of the inspection, before the technician makes any corrections or adjustments.
Which of the following scale types requires a 'multi-interval' or 'multiple range' configuration according to NIST Handbook 44?
Answer: Postal scales that switch automatically to a coarser division at higher loads
Multi-interval scales automatically switch to a larger scale division value as the load increases, common in postal and retail applications where both light and heavy items are weighed.