USPS Error Detection Test Detecting Sorting Errors Questions and Answers

Question 1

A mail handler is verifying tray routing numbers.
The number printed on the tray label is '4638 1120 5591' and the number displayed on the sorting machine's screen is '4638 1120 5951'.
How many digits are in error?

Accepted Answer

Two

Answer

One

Answer

Three

Answer

None

Question 2

A data entry clerk is processing a batch of ZIP codes. An error occurs where the intended ZIP code '90210' is entered as '9021'. Which of the following best describes this type of error?

Accepted Answer

Omission

Answer

Transposition

Answer

Substitution

Answer

Insertion

Question 3

Which of the following pairs of alpha-numeric sorting codes is an exact match with zero errors?

Accepted Answer

PRS-FLTS-WKG-CR-RTS 5 / PRS-FLTS-WKG-CR-RTS 5

Answer

FCM-LTR-MACH-AADC 789 / FCM-LTR-MACH-AADC 798

Answer

STD-MKT-LTR-BC-WKG / STD-MKT-LTR-BC-WKG-FX

Answer

PER-PKG-SVC-NDC-LBL / PER-PKG-SVC-NDC-LBLS

Question 4

An automated scanner reads a smudged ZIP+4 code. The correct code is '55407-1982', but the system interprets it as '55407-19B2'. This type of error, where a number is misread as a letter, is best classified as a:

Accepted Answer

Substitution error

Answer

Transposition error

Answer

Omission error

Answer

Formatting error

Question 5

A clerk is performing a quality check on a sequence of five tracking numbers. Compare the 'Entered' sequence to the 'Correct' sequence below. What is the total number of individual digits in error across the entire set?

Correct: 4401-8827-53; Entered: 4401-8287-53

Accepted Answer

Two

Answer

One

Answer

Three

Answer

Four

Question 6

During mail processing, an address is flagged with the error code 'Insufficient Address'. Which of the following is the most likely cause for this specific error?

Accepted Answer

A critical piece of the address, like a suite or apartment number, is missing.

Answer

The addressee has filed a change-of-address form.

Answer

The postage paid is less than the required amount.

Answer

The mailpiece exceeds the maximum weight limit for its class.

A mail handler is verifying tray routing numbers.The number printed on the tray label is '4638 1120 5591' and the number displayed on the sorting machine's screen is '4638 1120 5951'.How many digits are in error?

A mail handler is verifying tray routing numbers.
The number printed on the tray label is '4638 1120 5591' and the number displayed on the sorting machine's screen is '4638 1120 5951'.
How many digits are in error?