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UK ADR Tankers Practice Questions - UK ADR Dangerous Goods Driver Tankers Exam (Qualifications Scotland DfT) Exam
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Question
1
of 25
QUESTION 1 / 25
In an ADR tank code for liquids such as L4BN, what does the letter L indicate?
Choose one answer below.
A
Tank for substances in the liquid state (or solids carried molten)
✓
B
Tank limited to flammable liquids only
✓
C
Low-pressure atmospheric tank only
✓
D
Lined tank with rubber or epoxy coating
✓
QUESTION 2 / 25
In tank code L4BN, what does the figure 4 represent?
Choose one answer below.
A
Maximum number of compartments allowed
✓
B
Minimum calculation pressure of 4 bar
✓
C
Packing group IV substances only
✓
D
Four orange plates required on the vehicle
✓
QUESTION 3 / 25
In ADR tank codes for Classes 1 and 3–9, what does opening letter B mean?
Choose one answer below.
A
Battery-vehicle for compressed gases only
✓
B
Breather device fitted as standard
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C
Bottom filling or bottom-discharge openings with three closures
✓
D
Baffled tank with no bottom outlets
✓
QUESTION 4 / 25
In tank code L4BN, what does the final letter N indicate about safety devices?
Choose one answer below.
A
Tank with a simple breather and no flame protection
✓
B
Tank with a flame-trap breather device
✓
C
Hermetically closed tank
✓
D
Tank without a breather device and not hermetically closed
✓
QUESTION 5 / 25
What does FL mean when applied to ADR tank vehicles?
Choose one answer below.
A
Vehicle approved for flammable liquids (and certain flammable gases) with enhanced fire/electrical protection
✓
B
Flexible lined tank only
✓
C
Front-loading only tanker
✓
D
Fuel-licence exemption marking
✓
QUESTION 6 / 25
Compared with an FL tank vehicle, an AT tank vehicle is generally intended for:
Choose one answer below.
A
Only empty unclean tanks
✓
B
Carriage of substances that do not require the full FL flammable-liquid vehicle protection package
✓
C
Explosives in portable tanks only
✓
D
Any substance without needing a tank code
✓
QUESTION 7 / 25
Why are baffles fitted inside many liquid tanks?
Choose one answer below.
A
To replace the need for orange plates
✓
B
To increase maximum allowable working pressure
✓
C
To reduce liquid surge and improve vehicle stability when partly filled
✓
D
To allow mixed incompatible products in one compartment
✓
QUESTION 8 / 25
What is the main purpose of dividing a tanker into compartments?
Choose one answer below.
A
To allow bottom openings with only one closure
✓
B
To avoid needing ADR documentation
✓
C
To eliminate the need for a tank code
✓
D
To carry different products separately and limit free surface/surge in each section
✓
QUESTION 9 / 25
Which materials are commonly used for ADR tank shells?
Choose one answer below.
A
Stainless steel, mild steel, aluminium, nickel, or fibre-reinforced plastic, sometimes with linings
✓
B
Only mild steel without any lining options
✓
C
Only thermoplastic sheet without structural shell design approval
✓
D
Only timber-framed panels without metallic or FRP shells
✓
QUESTION 10 / 25
Atmospheric (non-pressure) tanks are primarily designed to carry products that:
Choose one answer below.
A
Always require hermetic Class 2 gas coding
✓
B
Do not require elevated design pressure beyond the tank’s atmospheric/low-pressure rating
✓
C
Must be carried only in portable tanks with T75
✓
D
Are exempt from ullage and filling-ratio rules
✓
QUESTION 11 / 25
What information is typically shown on a tank’s metal data plate?
Choose one answer below.
A
Only the fuel-station account number
✓
B
Only the driver’s personal ADR card number
✓
C
Approval/inspection data such as tank code, pressures, capacity and inspection dates
✓
D
Only the vehicle registration without tank details
✓
QUESTION 12 / 25
National and international rules require tanks and tank vehicles to be:
Choose one answer below.
A
Inspected only after a serious accident
✓
B
Self-certified by the driver every journey without records
✓
C
Exempt from inspection once first filled
✓
D
Inspected and certified, with documentation and plating kept current
✓
QUESTION 13 / 25
A RID-ADR Chapter 6.8 tank container displays a tank code (e.g. L4BN). A Chapter 6.7 UN portable tank instead displays:
Choose one answer below.
A
A portable tank instruction such as T11
✓
B
Only a packing group letter
✓
C
Only an LQ mark
✓
D
No construction marking at all
✓
QUESTION 14 / 25
What does calculation pressure letter G mean in an ADR tank code?
Choose one answer below.
A
Gas-only service forever
✓
B
Minimum calculation pressure according to the general requirements of 6.8.2.1.14
✓
C
Gravity discharge mandatory
✓
D
Greater than 21 bar always
✓
QUESTION 15 / 25
Opening letter C in a liquid tank code means the tank has:
Choose one answer below.
A
No openings of any kind
✓
B
Bottom openings with two closures
✓
C
Top filling/discharge openings with only cleaning openings below the liquid surface
✓
D
Only vapour-return without liquid openings
✓
QUESTION 16 / 25
Opening letter D in a liquid tank code indicates:
Choose one answer below.
A
Drain valve without closures
✓
B
Double-wall insulation only
✓
C
Demountable tank without approval
✓
D
Top filling and discharge openings with no openings below the liquid surface
✓
QUESTION 17 / 25
Hermetically closed tanks (safety-device letter H) are designed to:
Choose one answer below.
A
Remain closed without a breather device as defined in ADR 1.2.1 / 6.8
✓
B
Vent freely to atmosphere at all times
✓
C
Operate without pressure-relief considerations
✓
D
Carry only excepted quantities
✓
QUESTION 18 / 25
Service and safety equipment on tanks (valves, relief devices, gauges) must be:
Choose one answer below.
A
Adjusted by the driver to raise MAWP for faster loading
✓
B
Understood and used within the driver’s responsibilities and never exceeded beyond design limits
✓
C
Removed before every journey to reduce weight
✓
D
Ignored if the orange plates are correct
✓
QUESTION 19 / 25
Maximum allowable working pressure (MAWP) during loading/unloading must:
Choose one answer below.
A
Be ignored if using gravity discharge
✓
B
Be doubled for cold products
✓
C
Not be exceeded
✓
D
Be set by the driver’s preference each day
✓
QUESTION 20 / 25
Fibre-reinforced plastic (FRP) tanks may be used where:
Choose one answer below.
A
FRP tanks are exempt from inspection
✓
B
Any corrosive can be carried without checking compatibility
✓
C
FRP always replaces the need for a tank code
✓
D
The tank design and substance assignment permit FRP construction under ADR
✓
QUESTION 21 / 25
For Class 2 liquefied gases, the tank code pressure element often shows:
Choose one answer below.
A
The actual relevant test/calculation pressure required for that gas service
✓
B
Always the letter G only
✓
C
The packing group of the gas
✓
D
The tunnel code letter
✓
QUESTION 22 / 25
Battery-vehicles and MEGCs are associated particularly with carriage of:
Choose one answer below.
A
Only solid Class 9 wastes in bags
✓
B
Gases in multiple elements/assemblies under Class 2 tank provisions
✓
C
Only limited quantity parcels
✓
D
Only empty packaging returns
✓
QUESTION 23 / 25
Tank design must consider the physical state of the load, including:
Choose one answer below.
A
Only the shipper’s brand colours
✓
B
Only the colour of the product
✓
C
Temperature and pressure requirements for the substance or mixture
✓
D
Only the preferred delivery time window
✓
QUESTION 24 / 25
Mild steel tanks carrying corrosives often need:
Choose one answer below.
A
Painting only the cab, not the tank
✓
B
No protection because mild steel resists all corrosives
✓
C
Removal of all valves
✓
D
Compatible linings or coatings suited to the substance
✓
QUESTION 25 / 25
Employers must provide drivers with training on:
Choose one answer below.
A
The specific vehicles, equipment, mechanisms and loads they will operate
✓
B
Only general light-vehicle driving theory with no tank equipment content
✓
C
Only administrative leave procedures unrelated to tanker operations
✓
D
Only language training with no vehicle or load familiarisation
✓
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