GMJ 9189 phase 3 sanitation MCQ

Which two of the following factors are least likely to be considered during the selection of sanitary appliances for a new bathroom?

• Client's taste

• Space temperature

• Availability

• Country of manufacture

• Cost

How should the floor surface of a walk-in wet room be installed?

• On a flat plane

• With an angle which falls to a central or perimeter gully

• With non-porous tiles

• With a fallout of the wet room area to an external gully

How much trap seal should remain after the full performance testing procedure has been completed?

• 10mm

• 50mm

• 75mm

• 25mm

If a problem has been reported about the operation of a waste water lifter, what would be the first step to take to help analyse the issue?

• Talk to the previous installer and seek their advice

• Order parts based on discussion with the client

• Do not operate appliance; dismantle basic components

• After talking with the customer, operate the appliance and check for operation, in accordance with the manufacturer's instructions

What is the name of the process which ensures that a walk-in wet room does not leak?

• Encapsulation

• Intumescent sealing

• Tanking

• Silicone sealing

When calculating stack sizes, what does the term 'K' refer to?

• Discharge units

• Flow rates

• Frequency factor

• Hydraulic capacity

Spacing requirements for people to move safely and comfortably in bathrooms can be found in which standard?

• BS EN 120156

• BS EN 12380

• BS 6700

• BS 6465

Who should be consulted before the beginning of servicing or any type of remedial work on a sanitary appliance?

• The local authority

• The manufacturer

• The customer

• The previous installer

What effect does increasing the gradient of the discharge branch pipe have on its permissible length?

• It will increase

• It will decrease

• It has no effect

• All gradients must be fixed at 22mm/m

What is the minimum space provision in front of an enclosed shower tray?

• 700mm

• 800mm

• 900mm

• 950mm