Docsity
Log inSign up
Docsity
Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity

Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan

Guidelines and tips
Guidelines and tips
Sell on Docsity
Sell on Docsity
Log inSign up

Prepare for your exams

Study with the several resources on Docsity

Find documents

Prepare for your exams with the study notes shared by other students like you on Docsity

Search Store documents

The best documents sold by students who completed their studies

Search through all study resources
Docsity AINEW

Summarize your documents, ask them questions, convert them into quizzes and concept maps

Explore questions

Clear up your doubts by reading the answers to questions asked by your fellow students

Earn points to download

Earn points by helping other students or get them with a premium plan

Share documents
download point icon20 Points

For each uploaded document

Answer questions
download point icon5 Points

For each given answer (max 1 per day)

All the ways to get free points
Get points immediately

Choose a premium plan with all the points you need

Study Opportunities

Choose your next study program

Get in touch with the best universities in the world. Search through thousands of universities and official partners

Community

Ask the community

Ask the community for help and clear up your study doubts

University Rankings

Discover the best universities in your country according to Docsity users

Free resources

Our save-the-student-ebooks!

Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors

From our blog

Exams and Study
Go to the blog

Crane Operation and Safety, Exams of Mechanical Engineering

Texas State Technical College-West TexasMechanical Engineering

A wide range of topics related to crane operation and safety, including boom positioning, load charts, power line safety, crane capacities, and osha regulations. It provides detailed definitions and explanations for various crane-related terms and concepts, as well as guidelines and best practices for safe crane operation. Likely intended for crane operators, supervisors, or individuals involved in crane-related work, and could be useful for training, reference, or compliance purposes. The comprehensive coverage of crane-specific knowledge and regulations makes this document a valuable resource for anyone seeking to enhance their understanding of crane operations and safety protocols.

Typology: Exams

2024/2025

Available from 09/21/2024

star_score_grades
star_score_grades 🇺🇸

3.6

(19)

1.7K documents

1 / 9

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
NCCCO Certification of Crane Operators
Core - Mechanical Engineering Exam
Questions and Answers 100% Pass |
Graded A+
Term
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 thumb up?
a. Boom down
b. Swing
c. Boom up
d. Telescope out
Definition
1. c.
Term
2. Within what percentage of level does a telescopic boom crane have to be for the gross
ratings in the load chart to remain valid?
a. 1%
b. 2%
c. 5%
d. It doesn’t matter so long as the outriggers are fully extended and set
Definition
2. a.
Term
3. The load line of the crane you’re operating comes into contact with an energized power
line. There’s no sign of any other danger, such as fire. In such a situation, you should:
a. Climb down carefully from the crane cab
b. Jump down, feet together
c. Stay in the cab until the lines are de-energized
d. Get as far away from the crane as possible
Definition
3. c.
Term
4. You’re setting your crane up in a confined area and you cannot fully extend your
fourth outrigger. Your crane does not have a load chart for intermediate extension
working. In such a situation you should use the capacities in the:
a. on-outriggers load chart
b. on-rubber load chart
c. on-outriggers load chart while being careful not to swing the load over the short
Definition
4. b.
pf3
pf4
pf5
pf8
pf9

Partial preview of the text

Download Crane Operation and Safety and more Exams Mechanical Engineering in PDF only on Docsity!

NCCCO Certification of Crane Operators

Core - Mechanical Engineering Exam

Questions and Answers 100% Pass |

Graded A+

Term

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 thumb up?

a. Boom down

b. Swing

c. Boom up

d. Telescope out

Definition

1. c.

Term

  1. Within what percentage of level does a telescopic boom crane have to be for the gross ratings in the load chart to remain valid? a. 1% b. 2% c. 5% d. It doesn’t matter so long as the outriggers are fully extended and set Definition
  2. a. Term
  3. The load line of the crane you’re operating comes into contact with an energized power line. There’s no sign of any other danger, such as fire. In such a situation, you should: a. Climb down carefully from the crane cab b. Jump down, feet together c. Stay in the cab until the lines are de-energized d. Get as far away from the crane as possible Definition
  4. c. Term
  5. You’re setting your crane up in a confined area and you cannot fully extend your fourth outrigger. Your crane does not have a load chart for intermediate extension working. In such a situation you should use the capacities in the: a. on-outriggers load chart b. on-rubber load chart c. on-outriggers load chart while being careful not to swing the load over the short Definition
  6. b.

outrigger d. on-outriggers load chart, after shortening all outriggers to the same length as the fourth (short) outrigger Term

  1. According to OSHA 1926.1413, how many randomly distributed broken wires in rotation-resistant rope are cause for considering replacement of the rope? a. 1 broken wire in 6 rope diameters b. 2 broken wires in 30 rope diameters c. 3 broken wires in one strand in one lay d. 2 broken wires in 6 rope diameters Definition
  2. d. Term
  3. Unless the manufacturer states otherwise, the net capacity of a crane on main boom is the capacity listed in the load chart: a. minus the weight of the rigging and all attachments b. plus the weight of the rigging and all attachments c. minus the weight of the rigging and all attachments not in use d. minus the weight of the rigging alone Definition
  4. a. Term
  5. Unless the operator takes account of boom deflection, when lifted off the ground, a properly rigged load may: a. swing out away from the crane b. swing in towards the crane c. raise absolutely vertically d. shift in its rigging Definition
  6. a. Term
  7. Which is the most common cause of death to crane operators? a. Electrocution b. Falls from the crane getting on and off c. Crane turnover d. Fire Definition
  8. c. Term
  9. What standard method hand signalisis being illistrated? Swing-handsignalgraphic a. Swing b. Stop c. Emergency Stop d. Travel Definition
  10. a. Term
  11. An operator should respond to a "stop" signal from: Definition 10 d.

a. 10%. b. 15%. c. 20%. d. 30%. Term

  1. Boom length is measured from the: a. base of the boom to the center of the boom tip sheave. b. boom hinge pins to the boom tip. c. boom hinge pins to the center of the boom tip sheave. d. base of the boom to the boom tip. Definition
  2. c Term
  3. Using the preferred method of installing wire rope from a reel onto a hoist drum, the rope runs from the: a. top of the reel to the bottom of the drum. b. bottom of the reel to the top of the drum. c. top of the reel to the top of the drum. d. There is no preferred method. Definition
  4. c Term
  5. Truck crane capacities are usually greater over the: a. front. b. rear. c. front right outrigger. d. side. Definition
  6. b Term
  7. A truck crane is set up on outriggers. The part of the load chart governed by stability is based on what percentage of the crane's capacity? a. 85% b. 100% c. 70% d. 75% Definition
  8. a Term
  9. According to OSHA, accessible areas of the operating crane must always be barricaded within: a. the swing radius of the crane b. the carbody or chassis c. the swing radius of the rear of the rotating superstructure d. the distance between the carbody or chassis and the boom tip Definition
  10. c Term
  11. What is the OSHA regulation governing cranes in construction? Definition
  12. b.

a. 1910. b. 1926. c. 1926. d. 1910. Term

  1. A crack in the windshield of a crane cab is OK so long as: a. it causes no visible distortion that would interfere with safe operations b. it is less than 6 inches long c. the windshield is replaced on the next annual inspection d. it is never OK Definition
  2. a. Term
  3. OSHA permits hoisting of personnel by crane so long as: a. the prevailing wind speed is less than 35 mph b. there is no less hazardous or practicable way c. all personnel have CPR training d. no aerial work platform is available Definition
  4. b. Term
  5. A crane is set up with 3 of its 4 outriggers fully extended and the fourth retracted. Unless the manufacturer states otherwise, the capacity of the crane in this configuration will be found in the: a. on-outrigger chart b. on-rubber chart c. on-outrigger chart minus 20% d. on-rubber chart plus 20% Definition
  6. b. Term
  7. When lifting personnel, the total weight of the loaded personnel platform must not exceed what percentage of the rated capacity of the crane? a. 75% b. 50% c. 85% d. 45% Definition
  8. b Term
  9. Side loading of crane booms is permitted: a. when the operator says it's OK. b. so long as no jib is installed. c. only when the outriggers are fully extended. d. only with freely suspended loads. Definition
  10. d Term
  11. If the operator makes two audible signals when moving a crane, he/she intends to: Definition
  12. c

c. is through the centerline of the crane cab d. is through the boom butt section Term

  1. Materials placed under overhead energized power lines should: a. be dragged out b. lifted as normal c. not be lifted by crane d. handled with extra care Definition
  2. c. Term
  3. What standard method hand signal is being illustrated? retract_boom_tele-handsignalgraphic a. Boom up b. Boom down c. Telescope in d. Hoist Definition
  4. c. Term
  5. When working at ground floor level near a cellar wall, the crane's outrigger pads or tracks should be placed: a. as close as possible to the wall b. at least as far back as the depth of the wall below ground c. at a distance at least half the depth of the cellar wall below ground d. anywhere, since the wall is unaffected by the weight of the crane Definition
  6. b. Term
  7. When setting a crane up on outriggers, the wheels of the crane should: a. just touch the ground b. be as high as possible off the ground c. be just high enough off the ground to relieve the tires of crane weight d. stay firmly on the ground to support the crane Definition
  8. c. Term
  9. If you move a crawler crane from soft ground to harder ground, ground bearing pressure will: a. increase b. decrease by a third c. remain the same d. decrease by half Definition
  10. a. Term
  11. Rotation-resistant rope can be used with a swivel: a. always b. never Definition
  12. c.

c. if the rope manufacturer approves d. if the operator decides it’s OK Term

  1. On pick and carry operations, you should: a. keep the boom as short as possible b. keep the load as high above the ground as possible c. ensure the load is as far from the carrier/carbody as possible d. use maximum boom length Definition
  2. a Term
  3. On a crawler crane, ground bearing pressure is greatest: a. over the right side b. over the end c. over the corner d. over the left side Definition
  4. c Term
  5. When preparing to hoist a light load, the hook should be positioned: a. slightly to the side you're planning to swing to b. slightly to the side opposite you plan to swing to c. directly above the load's center of gravity d. above the edge of the load closest to the crane Definition
  6. c Term
  7. According to OSHA 1926.1408, when working around power lines of 850kV, how much clearance is generally required from any part of the crane and its load? a. 35 ft. b. 30 ft. c. 45 ft. d. 25 ft. Definition
  8. c Term
  9. You plan to pick a load you are told weighs 36,500 lbs. Line pull on the crane you are operating is 9,000 lbs. How many parts of line will you need? a. 3 b. 4 c. 5 d. 6 Definition
  10. c Term
  11. If a jib is erected but not being used to lift the load, you should make a deduction from the gross capacities listed in the load chart based on: a. the actual weight of the jib b. the effective weight of the jib Definition
  12. b.