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Test
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Test
Overhead cranes
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Test: general purpose cranes, hoists and winches
single-choice test
11 of 15 correct answers pass the exam
duration of the exam 30 minutes
"Finish test" button shows the result of the test
ROZPOCZNIJ TEST
WYNIK
NOWY TEST
NOWY TEST
#1.
Which of the following conditions must absolutely comply with a sling for moving cargo:
a ) the lifting capacity of the sling must not be less than the weight of the load to be lifted
b ) the length of the sling must ensure that the sling opening angle is not greater than 120°
c ) the sling must have a legible rating mark
d ) all answers are correct
#2.
Should any overhead crane operating outdoors be equipped with wind ticks?
a ) yes
b ) no
c ) yes, if its span exceeds 25 m
d ) only gantry and semi gantry cranes are equipped with anti-wind tongs
#3.
Whether the operator can lift the load being moved when the cables of the lifting mechanism of the hoist, winch, crane are not vertical:
a ) yes, provided that the angle of deflection of the ropes does not exceed 45°
b ) yes, provided that the angle of deflection of the ropes does not exceed 60°
c ) yes, because the maximum allowable angle is 120°
d ) cannot lift the load
#4.
Indicate which of the ways of attaching the hook is incorrect:
a ) Fig A, B, C
b ) Fig A, B, D
c ) Fig A, C, D
d ) Fig A, B, C, D
#5.
A complete check of the lifting mechanism brake consists of:
a ) lifting a load weighing no more than the nominal lifting capacity of the device to a height of 2 m, and then lowering it in a downward direction and stopping abruptly
b ) lifting a load weighing no more than the nominal lifting capacity to a low height so that the load loses contact with the ground and observing whether the load does not spontaneously fall, and then lifting it, lowering it, and stopping it abruptly
c ) to actuate the lowering mechanism without the suspended load in the downward direction and observe whether the shear will stop before it touches the working level
d ) to actuate the lowering mechanism without the suspended load in the upward direction and observe whether the shear will stop before it touches the working level
#6.
The directions of travel in a radio-controlled crane should be marked:
a ) on the crane structure in a place visible to the operator and on the radio control remote control
b ) in the crane cabin
c ) in front of the entrance to the hall where the crane is working
d ) on each visible track support pole
#7.
Absence of the maintainer from the examination of the technical device requires min:
a ) prior agreement with the authority of the relevant technical supervision unit
b ) provide a written excuse for the conservator's absence
c ) presentation of a medical release confirming the conservator's inability to work
d ) all answers are correct
#8.
Decision issued by UDT:
a ) is not subject to appeal
b ) may be changed by the PIP inspector
c ) is subject to the possibility of appeal by the operator
d ) each answer is incorrect
#9.
WLL stands for:
a ) weight load limit
b ) permissible working load of the tendon at an apex angle of alpha 120°
c ) manual operation allowed
d ) technical and operating documentation
#10.
Lifting loads with two or more UTBs:
a ) is permissible, provided that the operator develops detailed operating conditions describing organizational and technical activities that minimize the risk
b ) is always permissible if the weight of the load does not exceed the sum of the lifting capacities of the equipment used
c ) is allowed if the weight of the load does not exceed half of the lifting capacity of each device used
d ) is never allowed
#11.
Which of the lifting accessories shown can be used to lift steel bars of considerable length:
a ) FIG. 1
b ) FIGURE 2
c ) FIG. 3
d ) FIGURE 4
#12.
The safety element installed in the lifting mechanism of cranes can be:
a ) capacity limiter
b ) limit switch of the lifting mechanism
c ) friction overload clutch
d ) all answers are correct
#13.
Making modifications to a technical device without agreement with the authority of the competent technical supervision unit:
a ) is punishable by a fine or restriction of liberty
b ) is subject to a criminal fine
c ) is not subject to a penalty
d ) all answers are incorrect
#14.
An important criterion for hook wear is:
a ) rupture
b ) hook throat opening
c ) reduction of the cross-section in the grip part
d ) all answers are correct
#15.
The scrapers are:
a ) elements used to prevent foreign objects from getting under the wheels of the crane
b ) elements to protect against the consequences of a crane running wheel breakage
c ) elements used to protect the crane from unintentional movement
d ) protective elements of the track structure
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