Module1 - Dangerous goods and safety e-learning courses

Welcome to your Module1

What is the flash point?

The lowest temperature of a liquid substance at which its vapors form an inflammable mixture with air.

• The lowest temperature of a hot surface at which a vapor-air inflammable mixture ignites.

• The temperature at which the internal pressure of a pressure vessel is in diffusion equilibrium.

• The temperature at which the ratio between the mass of gas and the mass of water completely fills the capacity of a pressure vessel.

How large must the letter height of the expression "UMVERPACKUNG" be at a minimum?

The letter height of the expression "UMVERPACKUNG" must be at least 12 mm.

The letter height of the expression "UMVERPACKUNG" must be at least 25 mm.

The letter height of the expression "UMVERPACKUNG" must be at least 100 mm.

The letter height of the expression "UMVERPACKUNG" must be at least 10 mm.

According to ADR, is a person allowed to accompany the driver during the transportation of gasoline in a tank vehicle

Yes, only if they are a member of the vehicle crew.

Yes, always.

Yes, if permitted by the plant security.

Yes, if permitted by the driver.

Which statement about multilateral agreements is correct?

Multilateral agreements apply in cross-border traffic in all ADR contracting states.

Multilateral agreements apply directly in traffic between the signatory states of the respective agreement.

Multilateral agreements only apply in intra-community traffic.

Multilateral agreements apply exclusively in traffic with vehicles registered in the UK.

What is not correct: the heading of Class 3 covers substances and articles containing substances of this Class which:

have at 50 °C a vapour pressure of not more than 300 kPa (3 bar) and are not completely gaseous at 20 °C and at standard pressure of 101.3 kPa; and

have a flash-point of not more than 60 °C

are liquids according to subparagraph (a) of the definition for "liquid" in 1.2.1;

have a flash-point of not more than 55 °C