WorksheetsMeasurement Conversion Quiz
Total questions: 51
Worksheet time: 26mins
What is the equivalent of 10 millimetres in centimetres?
1 cm
10 cm
0.1 cm
100 cm
How many millimetres are there in a metre?
100 mm
1,000 mm
10,000 mm
100,000 mm
What is a steel rule used for in building services engineering?
Measuring large pipe lengths
Quick room measurements
Accurate pipework measurement and bending
Site measurements
Which tool is best for measuring large pipe lengths?
Steel rule
Tape measure
Laser distance metre
Site tape
What is the primary use of a laser distance metre?
Measuring large pipe lengths
Quick room measurements
Accurate pipework measurement
Site measurements
For what purpose is a site tape primarily used?
Accurate pipework measurement
Quick room measurements
Site measurements or room measurements
Measuring large pipe lengths
Which type of bender is used for R220 soft coiled copper?
Microbore hand bender
Scissor type bender
Stand bender
Pipe wrench
What sizes of copper can the scissor type bender handle?
6, 8, 10mm
15 and 22mm
28 and 32mm
10 and 20mm
The stand bender is suitable for which sizes of R250 half hard copper?
6, 8, 10mm
15 and 22mm
28 and 32mm
20 and 25mm
What are the two types of electric tube benders mentioned?
Hand and stand mounted
Manual and automatic
Large and small
Internal and external
What are the two types of springs used in tube bending?
Coil and leaf
Internal and external
Tension and compression
Helical and spiral
What is the new designation for Table W in the BSEN1057 standard?
R220
R250
R290
R300
Which type of copper is described as "Half hard straight lengths"?
Table W
Table X
Table Y
Table Z
What is the diameter range for coiled microbore (heating) copper tubes?
15-54 mm
6, 8, 10 mm
15-22 mm
25 mm
Which table is not commonly available now?
Table W
Table X
Table Y
Table Z
What are the sizes for minibore/microbore tubes?
6, 8, 10mm
12, 15, 22mm
28mm and larger
3 or 6m
In what lengths can half hard copper R250 be purchased?
3 or 6m straight lengths
10 or 50m coils
12, 15, 22mm
28mm and larger
How is soft, minibore R220 copper typically bought?
In coils of 10 or 50m
In 3 or 6m straight lengths
Plastic coated
Denso tape wrapped
Where is copper most vulnerable?
When laid in concrete flooring and when it emerges from the floor
When exposed to air
When submerged in water
When used in electrical wiring
What is the main purpose of coating pipes?
Decoration
Protection and identification
Weight reduction
Cost reduction
What is the main purpose of chrome-coated copper pipes?
Insulation
Finish
Flexibility
Conductivity
Which of the following tools can be used to bend a copper tube?
Welding torch
Bending springs
Hammer
Screwdriver
What is one advantage of bending a pipe rather than using a fitting?
Increased weight
More complex installation
Less frictional resistance
Higher cost
What is the maximum diameter for a machine floor-standing bender mentioned in the document?
50mm
30mm
42mm
60mm
Which type of copper tube is mentioned as being bendable in the document?
R300 Table Z
R220 Table Y
R100 Table A
R500 Table B
What are bending springs occasionally used for by plumbers?
To measure the length of pipes
To bend an existing piece of pipe without creasing it
To cut pipes into smaller sections
To seal pipe joints
What is the purpose of twisting a bar through the end of a bending spring?
To tighten the spring
To loosen the spring
To cut the spring
To extend the spring
Why is the spring bend normally over-pulled before easing back to 90 degrees?
To make the spring longer
To make spring withdrawal easier
To increase the spring's tension
To decrease the spring's tension
What happens to the material on a pipe when it is bent?
It gains material on both sides.
It compresses material on both sides.
It gains material on one side and compresses on the other.
It remains unchanged.
How can you accurately determine the length of pipe to be bent?
By guessing the length.
By measuring the diameter only.
By finding out the length of pipe the bend actually occupies.
By using a ruler.
What is the formula for calculating the radius center line of a pipe?
Radius x 2 x 3.14
Radius x 3 x 3.14
Radius x 4 x 3.14
Radius x 5 x 3.14
What is the formula to calculate the overall length of a bent pipe?
Radius x 2 x 3.14 / 4
Radius x 3.14 / 2
Radius x 2 x 3.14
Radius x 3.14 x 4
If the radius of a pipe bend is 60mm, what is the calculated length of the bend using the formula provided?
94.2mm
120mm
150mm
180mm
What is the total length of the pipe if the straight sections are 150mm and 300mm, and the bend length is 94.2mm?
544mm
500mm
600mm
450mm
What are the common angles used in tube bending as shown in the image?
15°, 30°, 60°
22.5°, 45°, 90°
10°, 20°, 30°
25°, 50°, 75°
What is the recommended starting point when measuring and bending tubes?
From the middle of the tube
From a fixed point
From the end of the tube
From the nearest edge
In tube bending, where should the fixed, measured point be positioned in relation to the bender?
Waist to waste
Waist to throat
Waste to waist
Waste to throat
What should always be marked when bending tubes?
The end of the tube
The middle of the tube
The throat of the bend
The base of the bend
What is one of the golden rules for selecting a measuring method when bending tubes?
Measure once, cut twice
Back to back
Inside to outside
Top to bottom
What should you do before making a cut according to the golden rules?
Measure once, cut twice
Measure twice, cut once
Cut first, measure later
Measure once, cut once
If a section needs multiple bends, what should be ensured?
The last bend is positioned first
The first bend is correctly positioned
All bends are made simultaneously
No positioning is necessary
Which tool is used for measuring angles and ensuring they are square?
Scissor type bender and slips
Engineers square
Senior/junior hacksaw 32tpi
Pencil
What tool would you use to cut metal tubes?
Combination square
Steel rule (mm)
Senior/junior hacksaw 32tpi
Pencil
Which tool is specifically used for bending tubes?
Scissor type bender and slips
Engineers square
Pencil
Steel rule (mm)
What is the primary use of a steel rule?
Cutting
Measuring length
Bending
Drawing
Which of the following is a common tube bend angle?
30°
60°
90°
120°
What is another name for a "half pass over" bend?
Full pass over
Offset
Kick over
Back to back
Which of the following is NOT a common tube bend?
Offset
Back to back
Spiral
Full pass over
What is the term used by Yorkshire manufacturers to determine the amount of copper tube required?
Y dimension
Z dimension
X dimension
W dimension
What does the X dimension represent in tube measurement?
Centre of fitting to the outer length
Centre of fitting to the engaged length
Centre of fitting to the inner length
Centre of fitting to the total length
How do you calculate the pipe length if you know the type of fittings and the centre-to-centre distance?
Add 2 x dimensions
Subtract 2 x dimensions
Multiply by 2 x dimensions
Divide by 2 x dimensions
