Crane Exam QA - Question 2: When assembling a lattice boom on m...

NCCCO Lattice Boom Crawler Crane Exam Q&A Pack (LATEST

/ UPDATE),

ACTUAL

EXAM/TEST

QUESTIONS AND

100% VERIFIED

ANSWERS | A+

GRADE

• / 2

Question 1:

Boom Assembly

Correct Answer:

Always install upper pins first

Question 2:

When assembling a lattice boom on most crawler cranes using inserts of different lengths, which insert section generally should be closest to the boom foot

Correct Answer:

10'

Question 3:

Pendant spreader bars on long booms are used to prevent

Correct Answer:

Main pendants from scrubbing the boom sides

Question 4:

What is the safety factor required when using non rotating wire rope and lifting personnel in a man basket

Correct Answer:

10

Question 5:

The term upper-works or superstructure refer to the area of the crane

Correct Answer:

Above the turntable

Question 6:

Manufacture specs only permit a certain amount of boom to be suspended out past the connection point of the pendants during assembly or disassembly of the boom. This portion of boom is called the

Correct Answer:

Cantilever Length

Question 7:

What effect does having the crawlers retracted have on a crawler crane with a long boom

Correct Answer:

Increases the probability of tipping

Question 8:

When the number of layers of rope on a drum increases

Correct Answer:

The line pull decreases

• / 2