6035 | Processes | LO6

To correctly identify where pipework is hidden in walls and under floorboards, you should use?

• Stud detector

• Metal detector

• Cable finder

• Pipe detector

The maximum depth of a notch is ​ (a)   of the joist depth.

• 1/8
• 1/2
• 1/4
• 1/3
• 3/4
• 1/6

The maximum drilled hole is ​ (a)   of the joist depth, and must be on the ​ (b)   of the joist.

• 1/4
• centre line
• 1/8
• 1/2
• 1/6
• bottom
• top

A joist that is 400mm deep would allow a maximum depth of a notch of?

• 100mm

• 25mm

• 50mm

• 75mm

The minimum distance from the wall a notch can be made is ​ (a)   of the span. The maximum distance from the wall a notch can be made is ​ (b)   of the span.

• 7%
• 25%
• 40%
• 75%
• 50%
• 82%

A joist that is 400mm deep can have a drilled hole size of?

• 50mm

• 75mm

• 100mm

• 200mm

The minimum distance from the wall a hole can be drilled is ​ (a)   of the span. The maximum distance a hole can be drilled is ​ (b)   of the span.

• 25%
• 40%
• 7%
• 50%
• 80%
• 65%

If a second hole needs to be drilled in a joist, the minimum it must be from the first hole is?

• 1x the holes diameter

• 2x the holes diameter

• 3x the holes diameter

• 4x the holes diameter

Chasing in a cavity wall, you must not have a vertical chase deeper than ​ (a)   of the walls thickness. You must not have a horizontal chase deeper than ​ (b)   of the walls thickness.

• 1/3
• 1/6
• 1/4
• 1/2
• 2/3
• 1/5
• 2/5

What can be placed over the pipework that lays in notches to protect against nails or screws?

• Insulation

• Lagging

• Denso tape

• Pipe guard