What are outriggers - Study guides, Class notes & Summaries

CCO PRACTICE EXAM QUESTIONS & ANSWERS 2024/2025 When working on rubber, cranes are rated at what percentage of tipping: a) 70% b) 75% c) 80% d) 85% - ANSWERS75% When a crane is working "on outriggers" the only time they should be less than fully extended is when: a) working alongside the highway and cannot block a lane b) you are handling light loads c) the main boom is being lifted d) there is a load chart for this operation - ANSWERSthere is a load chart for this operation ...

NCCCO Lattice Boom General Knowledge Questions and Answers Already Graded A What is a lattice boom crane? A lattice boom crane features a boom constructed of interlocking steel bars that form a triangular or square structure, providing strength while remaining lightweight. What is the primary advantage of a lattice boom design? The lattice boom design offers a high strength-to-weight ratio, allowing for longer reach and increased lifting capacity compared to solid boom designs....

NCCCO Core Practice Exam (2023/ 2024 Update) Questions and 100% Correct Verified Answers| Grade A Q: From which two points should the boom be measured? Answer: From the boom hinge pins to the center of the boom tip sheave Q: What is the preferred method of installing wire rope from a reel onto a hoist drum? Answer: The rope runs from the top of the reel to the top of the drum Q: Over which quadrant are truck crane capacities usually greater? Answer: Over the rear. ...

CCO PRACTICE Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+ When working on rubber, cranes are rated at what percentage of tipping: a) 70% b) 75% c) 80% d) 85% Correct Answer: 75% When a crane is working "on outriggers" the only time they should be less than fully extended is when: a) working alongside the highway and cannot block a lane b) you are handling light loads c) the main boom is being lifted d) there is a load chart for this operation ...

Mass hoisting license. Exam Questions and Answers Define load work radius? - CORRECT ANSWER-The area around a machine that should be barriicated because of the load or swing What are outriggers? - CORRECT ANSWER-Side extension that add Stability to the machine. How far back from the edges of a trench should the spoils to be pilled - CORRECT ANSWER-2feet Is it permissible to straddle a trench with a backhoe? why? - CORRECT ANSWER-No. It could cause cave ins What is a trench? - CORR...

Before leveling a mobile crane on outriggers, an operator should ensure: - ANSWER there is no weight of the crane bearing on any tires Operating a mobile crane with a long boom, on uneven ground, what support condition should be considered? - ANSWER Keeping 90 degree angle between cylinder rod and pad What is the primary purpose fir a rooster sheave or auxiliary boom point sheave? - ANSWER Separate the boom hoist lines How many randomly broken wires in a lay length must there be on a mo...

EICA Mobile Crane Certification Exam Combined Tested Questions With Revised Correct Detailed Answers |ALREADY GRADED A+ PASS 2024 >> BRAND NEW VERSION!! 1) If not overloaded, the ground bearing pressure of a single outrigger pad can approach a weight equal to: - ANSWER 85% of the weight of the crane and 100% of the suspended load 2) If you move a crawler crane from soft ground to harder ground, ground bearing pressure will - ANSWER increase 3) On a cr...

NCCCO Telescopic Boom Crane - Fixed Cab (TSS) Questions and Answers Graded A+ What is the primary purpose of a telescopic boom crane? The primary purpose of a telescopic boom crane is to lift and move heavy loads with the ability to extend its boom for increased reach and height. How does a fixed cab differ from a rotating cab on a telescopic boom crane? A fixed cab does not rotate with the boom, providing a stable operator position while lifting and moving loads. What safety ...

The load radius as shown on the capacity chart is the distance from the center of rotation to the centerline of the vertical host line with: - The rated load suspended. If the jib angle to ground is changed from 50 degrees to 40 degrees, this would affect the capacity of the crane how? - Capacity will decrease. Load capacity charts are based on 75% of tipping for crawler cranes without out riggers. For wheel mounted cranes, using outriggers fully extended, capacities are based on what perce...

1. What action does a signal person intend the operator to perform if he extends his arm at shoulder height, makes a fist with his hand, and sticks his/her thumb up? a. Boom down b. Swing c. Boom up d. Extend boom - ANSWER c. 2. When hoisting personnel, within what percentage of level must a telescopic boom crane be in order for the gross ratings in the load chart to remain valid? a. 1% b. 2% c. 5% d. 8% - ANSWER a. 9. Which area do truck cranes without a 5th outrigger gener...