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cranes questions

cranes

QuestionAnswer
List three of the five common types of cranes boom,mobile,tower
Frequency of hoists is a factor for determining crane selection true
Some advantages of the.....crane are that is less expensive to operate and is simple to set up and break down Boom truck
What is the function of lattice extension Extend and retract from boom
boom trucks can usually hoist a larger load from the side of the truck False
What are two basic designs of mobile hydraulic boom cranes truck mounted and crawler mounted
Rough terrain hydraulic boom cranes have a single cab and one engine True
Mobile lattice boom cranes are designed to hoist heavier loads than mobile hydraulic boom cranes true
for what two purposes are ringers used increase capacity and support long booms
when a ring is installed on a crane it is difficult to move around the job site true
When fixed tower cranes are used to erect buildings the tower is braced to the building at least every .....floors four
What is the main advantage tower cranes have over boom cranes ability to lift load on a larger radius
luffing jibs have a smaller operating radius than saddle jibs false
a front pivot luffing jib does not have a movable trolley True
What are the three most common designs of overhead traveling cranes top running bridge crane,under slug bridge crane and ganty crane
what two things are capacity charts used to determine hoisting capacity and cranes limitation
not all cranes are required to have capacity charts false
list three conditions that can reduce the capacity of a crane improper out rigger set up,wind,side loading
a critical hoist is usually defined as a load that weighs 85 % or more of the cranes capacity True
Created by: ewirtz0226
 

 



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