Exam (elaborations)
NCCCO MOBILE CRANE EXAM QUESTIONS AND ANSWERS
- Course
- Institution
NCCCO MOBILE CRANE EXAM QUESTIONS AND ANSWERS
[Show more]
Content preview
NCCCO MOBILE CRANE EXAMQUESTIONS 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 - 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.
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 down, feet together
c. Stay in the cab until the lines are de-energized
d. Get as far away from the crane as possible - Answer-c.
4. According to OSHA 1926.1413, how many randomly distributed broken wires in
rotation-resistant rope are cause for 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 - Answer-d.
5. What is the net capacity of a crane on main boom unless the manufacturer states
otherwise?
a. The capacity listed in the load chart minus the weight of the rigging and all
attachments
b. The capacity listed in the load chart plus the weight of the rigging and all attachments
c. The capacity listed in the load chart minus the weight of the rigging and all
attachments not in use
d. The capacity listed in the load chart minus the weight of the rigging alone - Answer-a.
6. What may happen to a properly rigged load when lifted off the ground unless the
operator takes account of boom deflection?
a. It could swing out away from the crane
b. It could swing in towards the crane
c. It could raise absolutely vertically
, d. It could shift in its rigging - Answer-a.
7. What Standard Method hand signal is being illustrated?
a. Swing
b. Stop
c. Emergency Stop
d. Travel - Answer-a.
8. Who should an operator respond to a "stop" signal from?
a. Appointed signal person only
b. Project manager only
c. Superintendent only
d. Anyone - Answer-d.
9. Which area do truck cranes without a 5th outrigger generally have no lifting capacity
unless the manufacturer states otherwise?
a. The side
b. The rear
c. The front
d. The outriggers - Answer-c.
10. What is the definition of "operating radius?"
a. The distance from the base of the boom to the center of the load b. The distance from
the front of the crane to the center of gravity of the load
c. The distance from the center of rotation of the crane to the center of the load
d. The distance from the center of rotation of the crane to the center of gravity of the
load - Answer-d.
11. What applies to the capacities below the bold line shown on a load chart?
a. They are based on the structural strength of the crane
b. They must not be used
c. They are based on the stability of the crane
d. They should only be used if the crane is set up on outriggers - Answer-c.
12. In which quadrant are rough terrain crane capacities generally greater?
a. Over the front
b. Over the rear
c. Over the right side
d. Over the left side - Answer-a.
13. According to federal requirements, under what conditions is it okay for a person to
ride the headache ball?
a. When there is no other way to gain access
b. When the lift has been approved by an engineer
c. When other means would be more dangerous
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller biggdreamer. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
81113 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now