1
NCCCO LATTICE BOOM GENERAL KNOWLEDGE WITH
CORRECT QUESTIONS WITH CORRECTRY ANALYZED
ANSWERS (ACTUAL EXAM) ALREADY GRADED A+
LATEST
The lattice boom is designed to take winds of up to 20 mph. from the side plus a
full rated load, plus a direct side load equal to what percent of the rated load? -
...(ANSWERS)....2%
The part of the load chart governed by stability is based on what percentage of
capacity while a crawler crane is working over the side quadrant? -
...(ANSWERS)....A. 75%
The most unstable working quadrant for a crawler crane is the; -
...(ANSWERS)....Side
What type of capacity is listed on a crane load chart? - ...(ANSWERS)....Static
If the manufacture of a particular crane does not specifically permit pick and carry
operations what procedure must be followed during this operation? -
...(ANSWERS)....Don't make any pick and carry lifts
What is the main purpose of a jib/extension? - ...(ANSWERS)....To extend reach
higher or up and over
, 2
When the number of layers of rope on a drum increase the line pull___________.
- ...(ANSWERS)....Decreases
When handling boom sections, the best place for slings to be attached is; -
...(ANSWERS)....At the pin connections at the ends of the top chords
Placing timber blocking under the tips of the tracks on a crawler crane will; -
...(ANSWERS)....Make the crane more stable
What is the major effect of stopping suddenly a rapid swing while operating long
boom crane? - ...(ANSWERS)....Action may cause the crane boom collapse and/or
overturn the crane
According to B30.10 hooks shall be removed from service when the throat
opening exceeds _____ the original throat opening. - ...(ANSWERS)....5%
On a crawler crane ground bearing pressure is greatest where? -
...(ANSWERS)....Over the corner
During disassembly of a long boom, the pendant lines are connected at the
maximum cantilever point and the boom is slightly lifted off the ground, which
boom connection pins are to be removed next? - ...(ANSWERS)....The bottom pins
ahead of the cantilever point
NCCCO LATTICE BOOM GENERAL KNOWLEDGE WITH
CORRECT QUESTIONS WITH CORRECTRY ANALYZED
ANSWERS (ACTUAL EXAM) ALREADY GRADED A+
LATEST
The lattice boom is designed to take winds of up to 20 mph. from the side plus a
full rated load, plus a direct side load equal to what percent of the rated load? -
...(ANSWERS)....2%
The part of the load chart governed by stability is based on what percentage of
capacity while a crawler crane is working over the side quadrant? -
...(ANSWERS)....A. 75%
The most unstable working quadrant for a crawler crane is the; -
...(ANSWERS)....Side
What type of capacity is listed on a crane load chart? - ...(ANSWERS)....Static
If the manufacture of a particular crane does not specifically permit pick and carry
operations what procedure must be followed during this operation? -
...(ANSWERS)....Don't make any pick and carry lifts
What is the main purpose of a jib/extension? - ...(ANSWERS)....To extend reach
higher or up and over
, 2
When the number of layers of rope on a drum increase the line pull___________.
- ...(ANSWERS)....Decreases
When handling boom sections, the best place for slings to be attached is; -
...(ANSWERS)....At the pin connections at the ends of the top chords
Placing timber blocking under the tips of the tracks on a crawler crane will; -
...(ANSWERS)....Make the crane more stable
What is the major effect of stopping suddenly a rapid swing while operating long
boom crane? - ...(ANSWERS)....Action may cause the crane boom collapse and/or
overturn the crane
According to B30.10 hooks shall be removed from service when the throat
opening exceeds _____ the original throat opening. - ...(ANSWERS)....5%
On a crawler crane ground bearing pressure is greatest where? -
...(ANSWERS)....Over the corner
During disassembly of a long boom, the pendant lines are connected at the
maximum cantilever point and the boom is slightly lifted off the ground, which
boom connection pins are to be removed next? - ...(ANSWERS)....The bottom pins
ahead of the cantilever point
