GMJ 9189 - End of Phase 2 mock questions

Sanitation - What is the maximum distance allowed from the highest waste connection to the invert of the drain on a stub stack system before ventilation is required?

• 1.6m

• 2m

• 2.5m

• 3m

Sanitation - A waste pipe discharging into a ground level gully should do which of the following?

• Discharge over the grate

• Discharge through the grate but above the water level of the trap seal

• Discharge adjacent to the grate

• Discharge through the grate and below the water level of the trap seal

Sanitation - If a 4m length of soil pipe had a fall of 18mm per metre, what would the vertical drop be at the end of the pipe run?

• 72mm

• 180mm

• 110mm

• 418mm

Sanitation - The Water Regulations state that which of the following are the maximum flushes for a WC?

• 4 litres short flush and 6 litres long flush

• 10 litres long flush and 6 litres short flush

• 9 litres long flush and 6 litres short flush

• 3 litres short flush and 5 litres long flush

Sanitation - An ascending spray bidet can be described by which of the following sentences?

• A spray entering the appliance, from a tap, from above the rim of the bidet

• A spray entering the bidet from the side of the appliance

• A spray entering the area of the bidet from a high level

• A spray entering the bidet from the base of the appliance

Sanitation - Which of the following should be the minimum diameter of a kitchen sink waste discharge pipe?

• 32mm

• 40mm

• 50mm

• 110mm

Sanitation - A self-sealing valve is designed to operate in which way when under back pressure?

• Remain tightly closed

• Always remain open

• Occasionally open

• Remain in the mid-position

Sanitation - Sanitary appliances are designed to safely discharge which of the following?

• Soil and waste water

• Wholesome water

• Gas and Oil

• Green water recycling

Sanitation - Which Building Regulation approved document refers to foul water drainage?

• H1

• H2

• H3

• H4

Sanitation - What is the minimum recommended pipe diameter for a waste pipe discharging from a washing machine?

• 32mm

• 40mm

• 50mm

• 110mm