Take UK ADR Class 1 Explosives Practice Questions - UK ADR Dangerous Goods Driver Class 1 Explosives Exam (Qualifications Scotland DfT) Exam

QUESTION 1 / 25

Under the ADR classification system for Class 1 explosives, what characterizes a Division 1.1 explosive?

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ASubstance or article with a mass explosion hazard affecting almost the entire load virtually instantaneously✓BSubstance or article with a projection hazard but not a mass explosion hazard✓CSubstance or article with a fire hazard and minor blast hazard but no mass explosion hazard✓DSubstance or article presenting no significant hazard outside the package✓

QUESTION 2 / 25

Which Class 1 hazard division is assigned to articles that present a projection hazard but NOT a mass explosion hazard?

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ADivision 1.1✓BDivision 1.2✓CDivision 1.4✓DDivision 1.6✓

QUESTION 3 / 25

Commercial fireworks such as consumer sparklers or small Roman candles packed for retail are typically classified under which Division?

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ADivision 1.1A✓BDivision 1.5D✓CDivision 1.4G or 1.4S✓DDivision 1.2L✓

QUESTION 4 / 25

What does Compatibility Group A designate in Class 1 dangerous goods classification?

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AArticle containing a primary explosive substance and two or more effective protective features✓BPropellant powder or other deflagrating explosive substance✓CPyrotechnic substance or article containing a pyrotechnic substance✓DPrimary explosive substance such as lead azide or fulminate of mercury✓

QUESTION 5 / 25

Why is Compatibility Group S unique compared to all other compatibility groups in Class 1?

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AHazardous effects arising from accidental functioning are confined within the package unless degraded by fire✓BPackages in Group S may be carried in any non-EX vehicle without any ADR driver training✓CGroup S explosives spontaneously detonate if exposed to atmospheric moisture✓DGroup S items are exempt from orange-plate display regardless of quantity✓

QUESTION 6 / 25

What is the primary difference between Division 1.5 and Division 1.1 explosives?

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ADivision 1.5 has no mass explosion hazard under any circumstance✓BDivision 1.5 consists of very insensitive substances which have a mass explosion hazard but low probability of initiation✓CDivision 1.5 can only be carried in liquid tank vehicles✓DDivision 1.5 comprises articles with self-contained initiation mechanisms✓

QUESTION 7 / 25

A package is labelled with Hazard Label 1.3G. What does the letter G signify?

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AGelatinous industrial blasting explosive✓BGas-generating explosive device for automotive airbags✓CPyrotechnic substance or article containing a pyrotechnic substance✓DGeneral store explosive suitable for passenger train transport✓

QUESTION 8 / 25

Which Compatibility Group is assigned to detonators and detonator assemblies for blasting?

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ACompatibility Group A✓BCompatibility Group D✓CCompatibility Group S✓DCompatibility Group B✓

QUESTION 9 / 25

What is the classification code for black powder (gunpowder) when packaged in granular form?

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AUN 0027, 1.1D✓BUN 0336, 1.4G✓CUN 0044, 1.4S✓DUN 0241, 1.1D✓

QUESTION 10 / 25

Division 1.6 comprises extremely insensitive articles which do not have a mass explosion hazard. What is required for an item to be assigned to 1.6?

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AThe articles must be submerged in water during transit✓BThe articles must contain only extremely insensitive substances and demonstrate a negligible probability of accidental initiation✓CThe articles must be manufactured without any chemical oxidizers✓DThe articles must weigh less than 50 grams per unit✓

QUESTION 11 / 25

What is the meaning of Compatibility Group L in Class 1 explosive transport?

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ALiquefied explosive gas Mixture✓BLow-temperature stable pyrotechnic signal cartridge✓CExplosive substance or article presenting a special risk (e.g. due to water activation or hypergolic reaction) requiring isolation of each type✓DLaboratory testing sample under 1 kg✓

QUESTION 12 / 25

Which hazard label model must be affixed to packages containing Division 1.2 explosives?

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ALabel Model No. 1.4 with '1.4' in large numbers✓BLabel Model No. 3 with flame icon✓CLabel Model No. 5.1 with flaming sphere icon✓DLabel Model No. 1 with number '1.2' in bottom half and Compatibility Group letter✓

QUESTION 13 / 25

What is the significance of the Net Explosive Mass (NEM) or Net Explosive Content (NEC) on transport documentation?

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AIt represents the net weight of explosive active substance only, excluding packaging and casing mass✓BIt represents the gross weight of the truck including fuel and driver✓CIt measures the volume of nitrogen gas released upon combustion✓DIt specifies the weight of outer cardboard boxes only✓

QUESTION 14 / 25

If a vehicle carries a mixed load containing both Division 1.1D (100 kg NEM) and Division 1.3G (300 kg NEM), how is the overall hazard division of the vehicle treated under ADR load rules?

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AThe entire load is treated as Division 1.3G because 300 kg is greater than 100 kg✓BThe entire load is treated as Division 1.1 for vehicle type, placarding, and load limit enforcement✓CThe load is averaged to Division 1.2✓DThe vehicle requires no placarding because the items are from different groups✓

QUESTION 15 / 25

Compatibility Group C consists of propellant explosives. Which of the following is an example of a Group C explosive?

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ALead styphnate primary detonator caps✓BMilitary aerial illumination flares containing magnesium powder✓CSmokeless powder or nitrocellulose-based rocket motor propellant✓DTrinitrotoluene (TNT) cast block✓

QUESTION 16 / 25

What is Compatibility Group D in Class 1 classification?

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APrimary explosive substance in liquid solution✓BPyrotechnic smoke grenade for riot control✓CDetonator assembly with electronic delay✓DSecondary detonating explosive substance or black powder, without its own means of initiation✓

QUESTION 17 / 25

Which Compatibility Group applies to an article containing a secondary detonating explosive substance WITHOUT its own means of initiation, BUT WITH a propelling charge?

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ACompatibility Group E✓BCompatibility Group A✓CCompatibility Group S✓DCompatibility Group L✓

QUESTION 18 / 25

What distinguishes Compatibility Group F from Compatibility Group E?

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AGroup F contains only liquid explosives, whereas Group E contains solids✓BGroup F articles contain their own means of initiation, whereas Group E articles do not✓CGroup F is permitted on passenger flights, whereas Group E is prohibited✓DGroup F is reserved exclusively for civilian fireworks✓

QUESTION 19 / 25

Which of the following UN numbers represents ANFO (Ammonium Nitrate / Fuel Oil) blasting explosive (Explosive, blasting, type B)?

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AUN 0012, 1.4S✓BUN 0335, 1.3G✓CUN 0082, 1.1D✓DUN 0432, 1.4S✓

QUESTION 20 / 25

Under ADR 2.2.1.1.5, what does the term 'deflagration' mean in relation to Class 1 substances?

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AInstantaneous detonation propagating faster than 5,000 metres per second✓BSlow evaporation of liquid nitrated esters at room temperature✓CSpontaneous ignition caused by static electricity discharge✓DRapid combustion propagating through a substance at a speed slower than the speed of sound in the material✓

QUESTION 21 / 25

Which of the following UN numbers designates shaped charges for oil well casing perforation without detonator?

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AUN 0059, 1.1D✓BUN 0014, 1.4S✓CUN 0336, 1.4G✓DUN 0092, 1.3G✓

QUESTION 22 / 25

What is the hazard label requirement for transport units carrying Division 1.4, Compatibility Group S packages?

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AVehicle must display 700 mm orange plates with '1.4S' written in reflective black paint✓BDivision 1.4S packages display Label 1.4, but transport units carrying ONLY 1.4S do NOT require Class 1 placards or orange plates if exempt thresholds apply✓CVehicle must display flaming red placards on all four sides✓DVehicle must carry a flashing yellow beacon on the roof at all times✓

QUESTION 23 / 25

Which Compatibility Group is assigned to articles containing an explosive substance AND white phosphorus (toxic/pyrophoric)?

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ACompatibility Group A✓BCompatibility Group C✓CCompatibility Group H✓DCompatibility Group S✓

QUESTION 24 / 25

Which Compatibility Group is assigned to articles containing an explosive substance AND a flammable liquid or gel?

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ACompatibility Group B✓BCompatibility Group D✓CCompatibility Group N✓DCompatibility Group J✓

QUESTION 25 / 25

Which Compatibility Group is assigned to articles containing an explosive substance AND a toxic chemical agent?

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ACompatibility Group K✓BCompatibility Group G✓CCompatibility Group F✓DCompatibility Group E✓