Understanding Plumbing Fittings and Parts

Which of the following is used to join two pipes of different diametres together?

• Elbow

• Reducer

• Tee

• Union

What is the main purpose of a stopcock in a domestic plumbing system?

• To increase water pressure

• To filter water

• To control the flow of water

• To join two pipes

Which fitting is used to change the direction of flow in a pipe by 90 degrees?

• Coupling

• Elbow

• Nipple

• Flange

What is the function of a 'trap' in plumbing?

• To increase water pressure

• To prevent backflow

• To stop odours from drains entering the house

• To join two pipes

Which of the following is NOT a type of plumbing joint?

• Soldered joint

• Threaded joint

• Welded joint

• Glued joint

A 'tee' fitting is used in plumbing to:

• Join two pipes at a right angle

• Split the flow into two directions

• Reduce the pipe size

• Seal the end of a pipe

Which material is most commonly used for domestic water supply pipes in the UK?

• Copper

• Lead

• Cast iron

• PVC

What is the standard British unit for measuring the length of a pipe less than 1 kilometre?

• Mile

• Kilometre

• Metre

• Yard

Which fitting is used to close the end of a pipe?

• Elbow

• Cap

• Tee

• Union

What is the main function of a ball valve in a plumbing system?

• To filter water

• To regulate water temperature

• To control the flow of water using a rotating ball with a hole

• To join two pipes of different sizes