Phase 2 Exam prep 2

A discharge branch 6 m in length has a recommended fall of 18 mm/m, What should the vertical drop be at the end of the pipe run?

• 180 mm

• 110 mm

• 418 mm

• 108 mm

What type of drainage system is shown in the diagram?

• A combined system

• A partially separate system

• A separate system

• A partially separate system

What is another term for the offset from the gutter to the downpipe?

• Direco-change

• Cranked turn

• Goose neck

• Swan neck

What is the recommended ratio of fall for guttering systems?

• 1:400

• 1:60

• 1:600

• 1:2000

Which of the following is a downpipe fitting?

• Slipper

• Boot

• Shoe

• Belt

An RPZ valve should be installed with:

• An isolating valve upstream of the RPZ valve

• An isolating valve downstream of the RPZ valve

• An isolating valve both upstream and downstream of the RPZ valve

• No isolating valves

Which one of the following types of air gap provides suitable backflow protection for the taps in a washbasin installed in a hospital?

• AB air gap

• AUK 1 air gap

• AUK 2 air gap

• AUK 3 air gap

Pressure testing of underground service pipework should take place

• after approval from the Clerk of Works

• After backfilling has been completed

• Before backfilling has been completed

• After approval from the water supplier

Which of the following types of tap would requires a single check valve to protect against backflow with category 2 water?

• High neck pillar tap

• Bib-tap

• Bi-flow mixer tap

• Mixer tap

What type of heating system is shown in the diagram?

• Open vented S-Plan system

• Sealed S-plan system

• Open vented Y-plan system

• Sealed Y-plan system