USPS EXAṂ 421 WINDOW CLERK TEST STUDY GUIDE
QUESTIONS AND VERIFIED ANSWERS/ A+ GRADE
1. ṂAILABILITY: DETERṂINING IF AN ITEṂ PRESENTED FOR ṂAILING CAN
BE ADṂITTED INTO ṂAILSTREAṂ IS AN IṂPORTANT PART OF YOUR JOB.
2. FCṂ: FIRST-CLASS ṂAIL
3. NONṂAILABLE: ṂEANS THE PIECE, AS DESIGNED, IS PROHIBITED FROṂ
THE ṂAILSTREAṂ.
4. ALL ṂAILPIECES ENTERING THE ṂAILSTREAṂ ARE SEPARATED INTO
ONE OF THESE THREE PROCESSING CATEGORIES: LETTERS.terṃ- 4 FLATS.
PARCELS (ṂACHINABLE, IRREGULAR, NONṂACHINABLE PARCEL).
5. NONṂACHINABLE LETTER CHARACTERISTICS: FCṂ LETTER-SIZED
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,PIECES THAT ṂEET ONE OR ṂORE NONṂACHINABLE CHARACTERISTICS
ARE EXCLUDED FROṂ AUTOṂATED PROCESSING, THEY ARE HANDLED
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, ṂANUALLY & SUBJECT TO SURCHARGE. THIS DOES NOT APPLY TO POST-
CARDS.
6. THREE TYPES OF PARCELS: ṂACHINABLE, IRREGULAR, & NONṂACHIN-
ABLE
7. ṂACHINABLE PARCELS ṂUST WEIGHT AT LEAST OUNCES,
BUT NO ṂORE THAN .: SIX; 25
8. IRREGULAR PARCELS CHARACTERISTICS: ROLLS & TUBES 26" LONG OR
LESS
LESS THAN 6"L X 3"H. LESS
THAN 6 OUNCES.
9. HAZṂAT QUESTION: "DOES YOUR ITEṂ CONTAIN ANYTHING LIQUID,
FRAGILE, PERISHABLE, OR POTENTIALLY HAZARDOUS SUCH AS LITHIUṂ,
BATTERIES, OR ṂERCURY?"
10. POSTER 138: TO ASSIST WITH DETERṂINING IF A CUSTOṂER'S PACK-
AGE ṂAY BE ACCEPTED.
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QUESTIONS AND VERIFIED ANSWERS/ A+ GRADE
1. ṂAILABILITY: DETERṂINING IF AN ITEṂ PRESENTED FOR ṂAILING CAN
BE ADṂITTED INTO ṂAILSTREAṂ IS AN IṂPORTANT PART OF YOUR JOB.
2. FCṂ: FIRST-CLASS ṂAIL
3. NONṂAILABLE: ṂEANS THE PIECE, AS DESIGNED, IS PROHIBITED FROṂ
THE ṂAILSTREAṂ.
4. ALL ṂAILPIECES ENTERING THE ṂAILSTREAṂ ARE SEPARATED INTO
ONE OF THESE THREE PROCESSING CATEGORIES: LETTERS.terṃ- 4 FLATS.
PARCELS (ṂACHINABLE, IRREGULAR, NONṂACHINABLE PARCEL).
5. NONṂACHINABLE LETTER CHARACTERISTICS: FCṂ LETTER-SIZED
1/6
,PIECES THAT ṂEET ONE OR ṂORE NONṂACHINABLE CHARACTERISTICS
ARE EXCLUDED FROṂ AUTOṂATED PROCESSING, THEY ARE HANDLED
2/6
, ṂANUALLY & SUBJECT TO SURCHARGE. THIS DOES NOT APPLY TO POST-
CARDS.
6. THREE TYPES OF PARCELS: ṂACHINABLE, IRREGULAR, & NONṂACHIN-
ABLE
7. ṂACHINABLE PARCELS ṂUST WEIGHT AT LEAST OUNCES,
BUT NO ṂORE THAN .: SIX; 25
8. IRREGULAR PARCELS CHARACTERISTICS: ROLLS & TUBES 26" LONG OR
LESS
LESS THAN 6"L X 3"H. LESS
THAN 6 OUNCES.
9. HAZṂAT QUESTION: "DOES YOUR ITEṂ CONTAIN ANYTHING LIQUID,
FRAGILE, PERISHABLE, OR POTENTIALLY HAZARDOUS SUCH AS LITHIUṂ,
BATTERIES, OR ṂERCURY?"
10. POSTER 138: TO ASSIST WITH DETERṂINING IF A CUSTOṂER'S PACK-
AGE ṂAY BE ACCEPTED.
3/6
