Gasses

According to the General Requirements for all Construction Sites, one of the works that must be controlled is ________.

• Excavations

• Painting

• Landscaping

• Interior Decorating

According to the Water Supply (Water Fittings) Regulations 1999, one of the purposes is to prevent ________ of water.

• contamination

• evaporation

• coloring

• freezing

According to the Water Supply (Water Fittings) Regulations 1999, one of the purposes is to prevent ________ of water.

• wastage

• evaporation

• coloration

• freezing

Which gas is used in conjunction with oxygen for welding and brazing and gives off a garlic-type smell when contaminated with impurities?

• Propane

• Acetylene

• Oxygen

• MAPP

Oxygen must never be used near jointing compounds or grease as it reacts violently causing spontaneous combustion.

• True

• False

Match the bottled gas with its cylinder colour:

• B

• SIGNAL RED

• C

• YELLOW

• D

• MAROON

• A

• BLACK

Which bottled gas uses a right hand thread direction?

• Propane

• MAPP

• Acetylene

• Oxygen

Toxic gases MUST NOT be carried in closed vehicles under any circumstances, unless the vehicle has been specially adapted for the task.

• True

• False

A 2kg dry powder fire extinguisher is a mandatory requirement on ALL vehicles carrying gas cylinders to fight cab and engine fires.

• True

• False

All cylinders must be secured in the ______ position and must not project beyond the sides or rear of the vehicle.

• upright

• horizontal

• inverted

• sideways