Lattice Boom Practice Questions WITH Accurate
Answers
Upperworks - -Where is the best location for leveling a crane?
-When determining the gross load, the best method is: - -Get an accurate load weight and
add the rigging
-By order of hitch strength, which is the correct answer? - -Basket, vertical, choker
-What is the purpose of using a jib? - -Increase height.
-When taking a side strain on a boom, what concerns the operator most? - -Boom damage
-You should always have at least how many wraps on a hoist drum. - -2
-On a load chart, values above the bold line mean: - -Capacities based on structural
competence.
-The primary purpose for a rooster sheave or auxiliary boom point sheave is to: - -
Separate the hoist lines.
-What is the proper procedure when using an insulating link or a boot near power lines? -
-Be sure to maintain the correct allowable distance from the lines.
-When the number of layers of rope on a drum increases the - -Line pull decreases
-What is the minimum allowable distance from the crane and power lines up to 350kVS - -
20 feet
-The term Upper-works or Superstructure, refer to the area of the crane: - -Above the
turntable
-Side loading may be caused by: - -Starting or stopping the swing too rapidly.
-What is the best procedure to follow when underground utilities may be present? - -
Contact local utility company.
-Eccentric main boom tip feeling causes - -Twisting of the boom
-How many randomly broken wires must there be to remove a running Eire rope from
service? - -6
Answers
Upperworks - -Where is the best location for leveling a crane?
-When determining the gross load, the best method is: - -Get an accurate load weight and
add the rigging
-By order of hitch strength, which is the correct answer? - -Basket, vertical, choker
-What is the purpose of using a jib? - -Increase height.
-When taking a side strain on a boom, what concerns the operator most? - -Boom damage
-You should always have at least how many wraps on a hoist drum. - -2
-On a load chart, values above the bold line mean: - -Capacities based on structural
competence.
-The primary purpose for a rooster sheave or auxiliary boom point sheave is to: - -
Separate the hoist lines.
-What is the proper procedure when using an insulating link or a boot near power lines? -
-Be sure to maintain the correct allowable distance from the lines.
-When the number of layers of rope on a drum increases the - -Line pull decreases
-What is the minimum allowable distance from the crane and power lines up to 350kVS - -
20 feet
-The term Upper-works or Superstructure, refer to the area of the crane: - -Above the
turntable
-Side loading may be caused by: - -Starting or stopping the swing too rapidly.
-What is the best procedure to follow when underground utilities may be present? - -
Contact local utility company.
-Eccentric main boom tip feeling causes - -Twisting of the boom
-How many randomly broken wires must there be to remove a running Eire rope from
service? - -6