QUESTION
How many broken wires must be present in one strand of one lay for running wire rope to be
removed from service?
Answer:
3
QUESTION
In a range diagram, boom length and angle can be used to determine:
Answer:
Load radius
QUESTION
When picking a load out of water, the load will?
Answer:
Increase
QUESTION
What affect will lifting a heavy load have on a crane?
Answer:
Increase deflection
QUESTION
What is the first command when using voice signals?
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<\/a>Where is the best location for leveling a crane?<\/p>\n\n\n\n
- \n
- upperworks<\/li>\n<\/ol>\n\n\n\n
When determining the gross load which is the best method is:
get an accurate load weight and add the rigging<\/p>\n\n\n\nBy order of hitch strength, which is the-correct answer?
basket, vertical, choker<\/p>\n\n\n\nWhat is the purpose of using a jib?
increase in height<\/p>\n\n\n\nWhen taking a side strain on a boom, what concerns the operator most?
boom damage<\/p>\n\n\n\nYou should always have at least how many wraps on a hoist drum?
2<\/p>\n\n\n\nOn a load chart, values above the bold line mean:
capacities based on structural competence<\/p>\n\n\n\nThe primary purpose for a rooster sheave or auxiliary boom point sheave is to:
separate the hoist lines<\/p>\n\n\n\nWhat 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<\/p>\n\n\n\nWhen the number of layers of rope on a drum increases the;
allowable line pull decreases<\/p>\n\n\n\nWhat is the minimum allowable distance\u00b7from the crane and power lines under 50kV?
10ft<\/p>\n\n\n\nThe term “Upperworks or Superstructure” refer to the area of the crane
Above the turntable<\/p>\n\n\n\nSide loading may be caused by
Starting or stopping the swing too rapidly<\/p>\n\n\n\nWhat is the best procedure to follow when underground utilities my be present?
contact local utility company<\/p>\n\n\n\nEccentric main boom tip reeving causes
twisting of the boom<\/p>\n\n\n\nHow many randomly broken wires must there be to remove a running wire rope from service?
6<\/p>\n\n\n\nWhen lifting personnel in a manbasket using 6 X 19 wire rope, the minimum safety factor is?
7<\/p>\n\n\n\nWhat is the safety factor required when using non rotating wire rope and lifting personnel in a \u00b7
manbasket?
10<\/p>\n\n\n\nWho has the responsibility for determining the correct weight of a load?
Supervisor<\/p>\n\n\n\nWhile working near power lines, when is a signal person required?
when crane moves within a booms length of power lines<\/p>\n\n\n\nWhen an operator leaves the crane he must first
put the load on the ground and put all dogs or pawls in<\/p>\n\n\n\nIf replacing the hoist line wire rope on a crane, how do you determine the size or type of wire rope to use
use Manufacturer’s Operator Manual or Load Chart<\/p>\n\n\n\nAfter the crane has been checked out and before crane lift operations begin the crew should
have a pre-lift meeting<\/p>\n\n\n\nAccording to OSHA 1926.1431, personnel platform lifts should not be made with wind in excess of:
20mph<\/p>\n\n\n\nWhen is it safe to work closer than the allowable distance from power lines?
when utility company says lines are de-energized<\/p>\n\n\n\nDuring setup how do you determine machine clearances (counterweight, boom, outrigger)?
measure for correct distances<\/p>\n\n\n\nWhen operating a crawler crane what is the most unstable allowable quadrant of operation?
side<\/p>\n\n\n\nWhen operating a truck crane what is the most unstable allowable quadrant of operation?
side<\/p>\n\n\n\nWhat is not a good location for crane setup?
Above utilities<\/p>\n\n\n\nWhen should a tagline be used?\u00b7
when rotation of load would be dangerous<\/p>\n\n\n\nWhen an operator arrives at the jobsite and the crane is already\u00b7erected, how would the operator
check the main and auxiliary hoist brakes?
lift the load off the ground and apply the brake<\/p>\n\n\n\nWhat is the difference between an Anti-two-block warning device and an Anti-two-block
prevention system?
warning device only warns but prevention system will stop the operation<\/p>\n\n\n\nWho gives the operator hand signals?
the qualified person assigned prior to the lift<\/p>\n\n\n\nWhy use mats or cribbing?
To reduce ground pressure<\/p>\n\n\n\nTipping capacities of crawler cranes are based on what percentage of tipping?
75%<\/p>\n\n\n\nShould the load be applied when determining the proper boom angle?
Yes<\/p>\n\n\n\nEach before being used, slings and all fastenings shall be inspected by a
competent person<\/p>\n\n\n\nLoad radius is the distance from the center of gravity of the suspended load to the:
Center of rotation<\/p>\n\n\n\nWhat is the primary reason for using a boom extension?
increase height<\/p>\n\n\n\nWhat is the minimum design factor required for a right regular lay main boom or auxiliary hoist rope?
3.5<\/p>\n\n\n\nWhen telescoping the boom section of an R\/T, which section should be telescoped first?
all sections should be telescoped equally<\/p>\n\n\n\nHow does the operator determine if the correct load chart is being used?
matching serial number<\/p>\n\n\n\nNet capacity is equal to
gross capacity minus capacity deductions<\/p>\n\n\n\nIf the SWL of a cranes wire rope is 10,000 lbs. using one part, what is the SWL when using 4 parts?
40,000 lbs.<\/p>\n\n\n\nWhen first arriving on the jobsite the operator should first determine the condition of the
access roads<\/p>\n\n\n\nHow does the operator verify the LMI’S boom length or load radius reading?
actual\u00b7measurements<\/p>\n\n\n\nIf the rated capacity of the crane is above the solid line or within the shaded areas or has an asterisk(*)
next to it, this means the capacity is based on
structural competence<\/p>\n\n\n\nAll hazards and potential problems should be discovered during the
pre-lift site inspection<\/p>\n\n\n\nHow many broken wires must be present in one strand of one lay for running wire rope to be removed
from service?
3<\/p>\n\n\n\nIn a range diagram boom length and angle can be used to determine
load radius<\/p>\n\n\n\n