NRSWA Reinstatement Modular Practice Questions - Set 1

Results

#1. What is the minimum strength of concrete to be used in a footway?

C40

C25/30

C20/40

#2. What material can be used in a footway as an alternative to GSB1

Concrete

Class B Backfill

Hardcore

Class A Backfill

#3. What is the correct ration of cement to sand used as an infill in a modular footway?

4:1

1:5:3

1:1

1:4

#4. What piece of equipment would you use to position a paving block?

Sledge hammer

Lump hammer

Pavers Maul

Tack hammer

#5. Prior to laying concrete what is the purpose of laying down a plastic sheet?

Prevents the environment becoming contaminated

Prevents weeds from growing through

Stops the concrete sticking to the layer below

Contains the mixture to ensure the correct curing process can take place

#6. What is the name of the test to determine the workability of concrete

Cube

Sand Patch

Texture Depth

Slump

#7. How do you extract block paving to prevent damage?

Carefully with hand tools

Excavator bucket

Lump hammer

Petrol Cut-off saw

#8. How would you help the curing of concrete in hot weather?

The hotter the better for curing

Regular damping down of the surface & to cover

Use a stronger mixture

#9. Which of these is not a recognised block paving bond pattern?

Herringbone 90o

Herringbone 45o

Brook bond

Basket Weave

#10. How do you reduce dust being produced during cutting from spreading beyond the work area?

Set up a fan to blow the dust towards the site

Wear a face mask

Cut inside a sealed container

Attach a dust suppression water bottle to the saw.

Finish

NRSWA Reinstatement Modular Practice Questions – Set 1