CES Storage & Transportation of Explosives 2

Question 1

What placarding is required on a vehicle transporting Division 1.1 explosive materials under DOT regulations?

Accepted Answer

EXPLOSIVE 1.1 placards displayed on all four sides of the vehicle

Answer

DANGEROUS placards on the front and rear only

Answer

FLAMMABLE placards if ANFO is aboard

Answer

No placards if the quantity is under 1,000 lbs

Question 2

What is the primary purpose of a 'day box' (field box) used at a blasting work site?

Accepted Answer

To temporarily hold small quantities of explosives needed for that day's operations

Answer

To store blast records and daily logs at the site

Answer

To house blasting equipment and tools overnight

Answer

To provide crew shelter during adverse weather conditions

Question 3

Which of the following is strictly prohibited in the vicinity of explosive magazines?

Accepted Answer

Combustible materials such as weeds and dry brush

Answer

A logbook for recording inventory

Answer

Wooden interior flooring

Answer

Organized shelving for storing explosive cases

Question 4

When explosives and detonators must be transported in the same vehicle, what is the required arrangement per DOT regulations?

Accepted Answer

Detonators must be in a separate, secured compartment or a separate vehicle

Answer

They may be freely mixed if the combined weight is under 50 lbs

Answer

They must be separated only by a wooden divider

Answer

Detonators must be locked in a box but may share the same cargo area

Question 5

What is the regulatory term for the minimum required distance between an explosive storage magazine and a protected structure such as an inhabited building?

Accepted Answer

Separation distance

Answer

Buffer zone

Answer

Safety radius

Answer

Exclusion perimeter

Question 6

What ATF specification must padlocks used to secure Type I and Type II magazines meet?

Accepted Answer

A padlock with a hardened steel body and shackle of at least 3/8-inch diameter

Answer

Any commercial padlock rated for outdoor use

Answer

A keyed padlock with a shackle of any diameter

Answer

A combination lock rated for industrial environments

Question 7

Under DOT 49 CFR Part 172 Subpart H, who must receive hazardous materials training before handling or preparing shipments of explosive materials?

Accepted Answer

All employees who perform any function involving hazardous materials transport, including loading and documentation

Answer

Only the licensed vehicle driver

Answer

Only ATF-licensed blasters at the destination site

Answer

Only employees who directly contact the explosive packages