3 strand rope - Study guides, Class notes & Summaries

NCCCO MOBILE CRANE EXAM QUESTIONS AND ANSWERS 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 - ANS 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% - ANS a. 3. The lo...

TT 345-750V - ANSWER 16ft TT TA 500-750V - ANSWER 35ft TA TT 50-345V - ANSWER 10ft TT TA 750-1000V - ANSWER 45ft TA TA 50-200V - ANSWER 15ft TA TA 350-500V - ANSWER 25ft TA TT 750-1000 - ANSWER 20ft TT TT .01-.75 - ANSWER 4ft TT TA 200-350V - ANSWER 20ft TA TA up to 50V - ANSWER 10ft TA TT .75-50V - ANSWER 6ft TT How many electrocution hazard warnings must be displayed - ANSWER 1 in cab 2 outside Using Running wire rope, ________ randomly distributed broken wi...

1. A wire rope that is a 6x19 classification could have how many wires per strand? 15 through 26 wires per strand 2. How often should a synthetic web sling be inspected? Each day before use 3. Which considerations should be given to suspend lifting operations with a mobile crane? Winds in excess of 35 mph 4. What is the term that best describes surface wear on a wire rope sling to rubbing or sliding? Abrasion 5. Which of the following defects discovered during an inspection would cause fo...

NCCCO MOBILE CRANE EXAM QUESTIONS AND ANSWERS LATEST UPDATE 2024/2025 (100% VERIFIED) 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% correct answers a. 3. The load line of the crane you're operating contacts an energized power line. There's no sign of any other danger, such as fire. What should you do? a. Climb down carefully from the crane cab b. Jump do...

1. A wire rope that is a 6x19 classification could have how many wires per strand? - ANSWER15 through 26 wires per strand 2. How often should a synthetic web sling be inspected? - ANSWEREach day before use 5. Which of the following defects discovered during an inspection would cause for removing a wire rope sling from service? - ANSWERTen broken wires in one lay 6. According to OSHA, each day before being used, all rigging hardware and slings shall be inspected for damage or defects by ...

Nccco Core Exam Questions With All Answers If taking sides strain on a boom what concerns the operator the most - ANSWER- Boom damage If a crane load chart has capacities listed in the shaded area this means that - ANSWER- If overloaded structural confidence will be compromised As the layers of rope on a drum increase the allowable line Pull wil - ANSWER- Decrease Of the following actions which one will most likely cause a side load condition - ANSWER- Abruptly starting or stopping t...

Millwright Rigging & Lifting Questions and Answers 100% correct The breaking strength of rope is a. force needed to pull rope b. force needed to tear rope c. force needed to break the rope d. force needed to stretch rope c. force needed to break the rope Traction grade wire rope has a breaking load of __________ tons per square inch a. 110-190 b. 50-60 c. 45-90 d. 80-90 d. 80-90 Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unm...

Millwright Rigging & Lifting Exam Questions With Verified Answers Graded A+ 2024/2025 The breaking strength of rope is a. force needed to pull rope b. force needed to tear rope c. force needed to break the rope d. force needed to stretch rope c. force needed to break the rope What are spreader beams used for? a. calculate loads b. use on heavy lods c. support loads during lifts d. support long loads during lifts d. support long loads during lifts What are equalizer beams use...

Which lay of wire rope has the strand wires in line with the rope axis? - Regular Lay At what speed should the counterweight safeties be set to trip? - Up to 10% higher than the car governor Which type of safety uses an oil buffer between the car and safety planks? - Type C What is the purpose of the terminal motion switch? - slow down and stop the car automatically at or near the top or bottom landing If you have a 3500 lb. car rated at 4000 lbs. capacity, how much shoul...

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 - 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% - a. 3. The load line of the crane you're operating contacts an energized power line. ...