Tanker Pre Exam

post by HazChem
Saturday November 6, 2021

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1. The orange-coloured plates to be displayed on a fuel tanker represent …

The substance with the lowest density

The substance with the highest flashpoint

The substance with the lowest flashpoint

The fuel with the lowest flammability

2. Which of the following documents does not have to be carried when transporting dangerous substances in a tank vehicle?

Instructions in Writing

Vehicle approval cert

A Transport Document

Certificate of approval for the tank

3. What is a surge plate?

It is a plate with no openings that is fitted in a tank to divide the tank into compartments.

It is a plate fitted to the front of the tank to take the surge pressure in the tank.

It is a plate fixed to the outside of the tank stating the maximum allowable pressure of the tank.

It is a plate with an opening that is fitted in a tank to break the movement of a liquid lengthwise in the tank

4. An AT vehicle is required to carry …

Atomic bombs

All chemicals

Any thing

Corrosive substances

5. The numbers in the bottom half of an orange-coloured plate indicate …

The load number

The consignment number

The hazard identification number

The UN Number of the substance

6. When must an ‘FL’ vehicle be used to transport a dangerous substance in a 20,000-litre tank-container?

When the dangerous substance is a flammable liquid or a flammable gas

When the dangerous substance is a flammable solid

When the dangerous substance is a very toxic substance with no secondary (additional) hazards

When the dangerous substance is corrosive with no secondary (additional) hazards

7. Bursting disks are fitted on tanks to …

Prevent implosion caused by vacuum

Release the blast wave from an explosion

Protect pressure relief valves from attack by the contents of the tank

To improve discharge through hoses

8. Which one of the following statements is true?

A safety valve is fitted on a tank to prevent excess pressure in the tank

Safety valves are never fitted on pressure tanks

A safety valve is never fitted on a tank that is unloaded by pressure discharge

A safety valve prevents a dangerous liquid from flowing back into a tank

9. Vents in an atmospheric tank …

Allow the driver to enter the tank for cleaning

Maintain the tank at atmospheric pressure by allowing air in or vapour out

Let air into the driver’s cab

Resist contamination of the load with water

10. You are a road tank driver. At the loading point you are told there is no 98% Sulphuric Acid available and you are instructed to load 25% Sulphuric Acid, what should you do …

Check with the carrier

Refuse the load altogether

Check with consignor

Agree to the new load as it is weaker acid

11. Combustion heaters …

Keep the driver warm on cold nights

Must not be used during filling or discharge operations

May be used at any times

May only be used in the cab

12. What is the ullage of a tank?

It is the maximum permissible gross mass of the tank

It is the capacity of the tank

It is the residue or slops left in the tank after it has been discharged

It is the air space (or vapour space) above the liquid in the tank

13. The form required to move hazardous waste in a tanker to Germany is a;

C2 Form

TFS Form

WFT Form

CMR

14. A tank vehicle, which has a blank orange plate at the front and a numbered orange plate at the rear with placards on both sides and the rear …

Is only carrying one class of chemical

Is carrying packages at the front and a tank at the rear

Is marked and placarded incorrectly as the front and rear plates must match.

Has hazardous goods in the rear compartment only

15. Portable tanks must have an intermediate / leakproofness test every …

5 years

6 years

3 years

2½ years

16. For vehicle carrying hazardous substances, the most appropriate parking place is …

A vehicle park supervised by an attendant who has been notified of the nature of the load and whereabout of the driver

A public or private vehicle park where the vehicle is not likely to suffer damage from other vehicles;

Vehicles may be parked unsupervised, in a secure depot or secure factory premises

A suitable open space, separated from the public highway and from dwellings, where the public does not normally pass or assemble

17. What is the MAWP of a portable tank?

The lowest design pressure of the tank

The test pressure of the tank

The highest pressure that may be in the tank at any time

The periodic interval testing the vehicle

18. Foot valves/Base valves are …

Always at the bottom and inside the tank

Are the handles on top of the tank, near the manlid

At the side of the tank

In the most suitable position for discharge

19. How often should a periodic inspection (thorough examination) be carried out on a fixed tank used to carry highly flammable liquids?

At least once every 2 years

Every year

At least once every 6 years

At least once every 10 years

20. The correct marking and placarding for a tanker carrying 3 compartments of diesel (UN1202) and 3 compartment of petrol (UN1203) is …

Blank orange coloured plates front and rear, with placards and environmentally hazardous substance marks on both on all four sides of the tank

Numbered orange coloured plates (30 + 1202 (Diesel)) on the front and rear of the vehicle, with placards and the environmentally hazardous substance mark on both sides and rear of the tank

Numbered orange coloured plates (33 + 1203(Petrol)) on the front and rear of the vehicle, with placards and the environmentally hazardous substance mark on both sides and rear of the tank

Numbered orange coloured plates (30 + 1223 (Kerosene) ) on the front and rear of the vehicle, with placards on sides and rear of the tank

21. A H.I. number prefixed with the letter X indicates that the substance will react …

Violently with air

By emitting a toxic gas

Dangerously with water

Does not react chemically

22. What should a tanker driver do if a discharge hose bursts during unloading?

Call the emergency services

Allow the liquid to flow away until the tank is empty

Tell the supervisor

Immediately stop the discharge by using the emergency shut off valve

23. Tanks are fitted with baffles to prevent …

The contents overheating in the sun

Dangerous movements of the liquid load

Pressure build-up during the journey

Excessive vibration in the liquid load

24. Which of the following statements is true for a tank-vehicle containing a dangerous substance when the following orange-coloured plates are shown on the front and rear of the tank-vehicle?

Corrosive placards shall be shown on both sides and rear of the tank-vehicle

Blank orange-coloured plates shall be shown on both sides of the tank-vehicle

Corrosive placards shall be shown on the front and rear of the tank-vehicle

Nothing further is required

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Warner Martin
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