Pipe Fittings and BendingTools 6035

Multiple Choice

Which of the following is the correct order for converting units from smallest to largest?

• Millimetres, centimetres, metres

• Centimetres, millimetres, metres

• Metres, centimetres, millimetres

• Centimetres, metres, millimetres

Multiple Choice

Which of the following is NOT a unit of measurement commonly used by plumbers?

• Millimetres (mm)

• Centimetres (cm)

• Metres (m)

• Inches (in)

Multiple Select

Select all the tools that can be used for measuring pipework according to the lesson.

• Steel rule

• Tape measure

• Site tape

• Laser distance metre

Multiple Choice

What is the purpose of calculating the length of pipe accurately as a plumbing engineer?

• To reduce waste and costs to the customer

• To make the pipe look better

• To increase the weight of the pipe

• To make installation faster

Multiple Choice

Which of the following statements are correct about measuring and cutting copper pipes?

• The X dimension is subtracted twice from the centre-to-centre distance to get the pipe length

• The X dimension is added to the centre-to-centre distance to get the pipe length

• The X dimension is only used for plastic pipes

• The X dimension is the same as the copper cut length

Multiple Select

Which of the following tools are suitable for bending copper pipes of different sizes?

• Microbore hand bender for 6, 8, 10mm soft coiled copper

• Scissor type bender for 15 and 22mm half hard copper

• Stand bender for 28 and 32mm half hard copper

• Pipe wrench for all sizes

Multiple Choice

Which of the following tools can be used for bending tubes?

• Electric tube bender

• Internal spring

• External spring

• All of the above

Multiple Select

Which of the following are correct about the grades of copper tubes and their uses?

• Table W (R220) is used for coiled microbore heating.

• Table X (R250) is used for half hard straight lengths.

• Table Y (R220) is used for annealed coils for underground.

• Table Z (R290) is commonly used for domestic water supply.

Multiple Choice

Which formula is used to calculate the length of pipe that a bend actually occupies?

• Radius x 2 x 3.14 / 4

• Diameter x 3.14 / 2

• Radius x 3.14

• Diameter x 2 x 3.14 / 4

Multiple Choice

What is the purpose of slightly over-pulling the spring bend before easing it back to 90 degrees when bending tubes?

• To make spring withdrawal easier

• To increase the strength of the bend

• To prevent the tube from breaking

• To reduce the diameter of the tube

Multiple Choice

Which of the following are common types of tube bends?

• 90°, 45°, Offset, Back to back, Half pass over, Full pass over

• 90°, 60°, Spiral, Offset, Full pass over

• 45°, 120°, Back to back, Spiral, Kick over

• 90°, 45°, Offset, Spiral, Full pass over

Multiple Choice

Which of the following angles are commonly marked on tube benders?

• 22.5°, 45°, 90°

• 15°, 30°, 60°

• 10°, 45°, 80°

• 30°, 60°, 120°

Multiple Choice

Which of the following is an SI unit for measurement?

• Metre

• Inch

• Foot

• Yard