HazMat Hazardous Materials (HazMat) Endorsement Operations 3

Question 1

What is the significance of a '1' shown in the lower corner of a placard?

Accepted Answer

The material is in Class 1 — Explosives

Answer

It indicates the packing group of the material

Answer

It means only one package of this material is on board

Answer

It identifies the compatibility group

Question 2

Which packing group indicates the greatest danger for hazardous materials?

Accepted Answer

Packing Group I

Answer

Packing Group II

Answer

Packing Group III

Answer

Packing Group IV

Question 3

Under what condition may a driver transport chlorine without a gas mask on board?

Accepted Answer

Never — a gas mask is always required when transporting chlorine

Answer

When transporting fewer than 100 lbs

Answer

When local regulations exempt it

Answer

When transporting in daylight hours only

Question 4

What does a 'W' suffix on an identification number (e.g., NA1993) indicate?

Accepted Answer

The number is valid only within North America

Answer

The material is water-reactive

Answer

The material is a waste shipment

Answer

The material requires wet packing

Question 5

When transporting explosives, where must the shipping papers be kept while the vehicle is in motion?

Accepted Answer

Within reach of the driver or in a pouch on the driver's door

Answer

In the locked cargo area

Answer

In a fireproof box in the cab

Answer

Handed over to the co-driver only

Question 6

Which of the following is NOT a required element on a hazardous materials shipping paper?

Accepted Answer

Driver's CDL number

Answer

Proper shipping name

Answer

Hazard class or division

Answer

Quantity and type of packaging

Question 7

What is the minimum distance a placarded vehicle must stay from an open fire?

Accepted Answer

300 feet

Answer

50 feet

Answer

100 feet

Answer

200 feet