Questions & Correct Answers Latest
2026-2027. Graded A
Cranes using wrecking balls are classified as:
1. Overhead Obstruction Cranes
2. Pulverising Cranes
3. Super Duty Cranes
4. Duty Cycle Cranes - Ans4. Duty Cycle Cranes
List eight common attachments used on excavators for demolition
purposes. - Ans1. Shears (cutting metal/concrete)
2. Crackers (fracturing heavy concrete)
3. Impact Hammers (heavier-duty concrete breaking)
4. Universal Processors (breaking concrete into smaller pieces)
5. Breakers (heavy concrete demo)
6. Grapples (demo and handling of bulky debris)
7. Magnets
8. Traditional bucket
Plasma-torches use highly pressurized, flammable gas to cut steel
reinforcement when demolishing concrete.
1. True
2. False - AnsFalse
1