NRSWA LA Location of Underground Apparatus Practice Questions - Set 1

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#1. What colour is a low-pressure gas main?

Yellow

Red

Blue

Orange

#2. According to HSG 47 what is the minimum distance that you must be away from the proposed line of a service before using mechanical excavators?

100mm

1mtr

500mm

300mm

#3. What are the 3 modes on a Cable Avoidance Tool?

Power, Radio, All

Electric, Metal, Genny

Power, Metal, Radio

Power, Radio, Genny

#4. What could you suffer from if you damaged a sewer pipe?

Eeils disease

Eczema

Burns

Legionnaires

#5. How do you confirm that The CAT is in date to use?

Ask your mate

Ring the HSE

It does not matter about the date

Check the calibration sticker

#6. How do you measure the precautionary zone around a tree?

It is equal to the diameter of the trunk

It is equal to the height of the tree

It is equal to 4 x Circumference of the trunk

It is within 1mtr of the trunk 1

#7. Who must be informed to ensure a damaged service is repaired?

Asset owner

H&S officer

A local plumber

Line manager

#8. What materiel of construction do the following two letters represent – ST

Plastic

Stone

Steel

Clay

#9. What can confuse the user of a CAT when in Radio mode?

The electricity is turned off

The service is made from plastic

The generator is within 10mtr of the CAT

The presence of other services made from conductive materials

#10. What regulation covers the correct use of tools and equipment

COSHH

PUWER

HSG 47

NRSWA

Finish

NRSWA LA Location of Underground Apparatus Practice Questions – Set 1