Most Important Frequently Asked Advanced Scaffolding Interview Questions
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Question 1. Would You Use Open-ended Hook Rods To Construct A Hung Scaffold?
Answer :
No, dont use open-ended hook rods to construct a hung scaffold.
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Answer :
11mm is the minimum diameter of flexible steel wire rope you would use to support a hung scaffold.
Scaffolding Interview Questions -
Question 3. Will A Grade (m) Chain Support A Greater Or A Lesser Load Than A Grade (t) Chain?
Answer :
Grade (M) chain support a lesser load than a Grade (T) chain.
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Answer :
500kg is the minimum working load limit for beam clamps, trolleys and shackles used to support a hung scaffold.
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Answer :
Beam chaffers (or half rounds or split tubes) use to protect a flexible steel wire rope from damage when it is fixed around the sharp edges of a beam.
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Question 6. When A Ledger Is Supported In The Eye Of A Sling, How Would You Stop It From Sliding?
Answer :
Fix a coupler on each side when a ledger is supported in the eye of a sling.
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Question 7. How Would You Stop Shackle Pins From Unwinding?
Answer :
To stop shackle pins from unwinding, Mouse them.
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Question 8. What Sort Of Coupler Bolt-threads Are Unsuitable For Fixing Hung Standards?
Answer :
Use speed threads (or multi-start threads) to sort of coupler bolt-threads are unsuitable for fixing hung standards.
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Answer :
No, not possible to extend the length of a hung standard by fixing scaffold tubes with end-to-end couplers.
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Question 10. What Is The Minimum Rated Working Load For A Trolley Used To Support A Suspension Rope?
Answer :
The minimum rated working load for a trolley used to support a suspension rope is 500kg.
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Answer :
You can fix a cradle’s working load limit sign to the inside of the cradle.
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Question 12. What Is The Minimum Cradle Width For A Double Rope Suspended Scaffold?
Answer :
The minimum cradle width for a double rope suspended scaffold is 900mm.
Scaffolding Interview Questions -
Question 13. What Is The Maximum Cradle Width For A Double Rope Suspended Scaffold?
Answer :
The maximum cradle width for a double rope suspended scaffold is 1.7m.
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Question 14. What Is The Minimum Width Of A Swing Stage Cradle?
Answer :
The minimum width of a swing stage cradle is 450mm.
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Question 15. What Is The Maximum Width Of A Swing Stage Cradle?
Answer :
The maximum width of a swing stage cradle is 900mm.
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Question 16. What Is The Minimum Width Of A Work Cage?
Answer :
The minimum width of a work cage is 750mm.
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Question 17. What Is The Maximum Width Of A Work Cage?
Answer :
The maximum width of a work cage is 1.5m.
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Question 18. What Is The Minimum Height Of A Stabilising Sheave Above The Platform Of A Work Cage?
Answer :
The minimum height of a stabilising sheave above the platform of a work cage is 2m
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Question 19. Would You Fix The Inboard End Of A Needle With Friction Anchors?
Answer :
No, not possible to fix the inboard end of a needle with friction anchors.
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Question 20. Can Bags Of Sand Be Used To Counterweight A Needle?
Answer :
No, can't bags of sand be used to counterweight a needle.
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Question 21. Would You Use Counterweights To Fix A Needle Which Supports Two Suspension Ropes?
Answer :
No, not use counterweights to fix a needle which supports two suspension ropes.
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Answer :
80% of rated working load (or 80% of SWL) is the maximum rope tension allowed on a shackle used to support a suspension rope.
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Answer :
40% of rated working load (or 40% of SWL) is the maximum rope tension allowed on a choked sling used to support a suspension rope.
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Answer :
Connect them with a spacer tie (or spreader bar) to atop trolleys from spreading when two trolleys are used to support a swing stage.
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Answer :
3 full turns or rope should remain on the drum when a drum-type scaffolding hoist is at its lowest point.
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Answer :
2 rope diameters should the drum flange extend beyond the built-up rope whith a fully-loaded drum-type scaffolding hoist.
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Answer :
1m is the minimum length of spare rope, When a climber-type scaffolding hoist is at its lowest point.
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Question 28. Would You Use Bulldog Grips To Secure A Suspension Rope?
Answer :
No, not use bulldog grips to secure a suspension rope.
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Answer :
double rope suspended scaffold is a type of suspended scaffold does not need a protective device for each scaffolding hoist.
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Question 30. What Type Of Scaffolding Hoist Must Be Fitted With A Load Limiting Device?
Answer :
An electronically powered scaffolding hoist is a type of scaffolding hoist must be fitted with a load limiting device.
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Answer :
Yes, a person with a Basic Scaffolding Certificate allowed to construct a mobile frame scaffold.
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Question 32. Name Something Which Might Corrode Scaffolding Equipment?
Answer :
- Acids
- Alkalis
- Salts
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Answer :
Non-conductive material (or timber) is a type of scaffolding material would you use to construct a scaffold where there may be a danger of explosion.
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Question 34. How Would You Stop A Ring-type Gin Wheel From Sliding Along The Scaffold Tube?
Answer :
Fix a coupler on either side of the ring to stop a ring-type gin wheel from sliding along the scaffold tube.
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Question 35. What Would You Do To Make Safe A Hook-type Gin Wheel With No Safety Catch?
Answer :
Mouse the hook (wire up the open hook) to make safe a hook-type gin wheel with no safety catch.
Topic: Advanced Scaffolding Interview Questions
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