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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.
The zero lock will prevent the crane from engaging in the event of:
a ) setting all adjusters to zero position
b ) setting any of the adjusters beyond the zero position
c ) faulty anti-shock installation
d ) poor condition of insulation of electrical wires
#2.
The WLL value of a multi-leg sling is:
a ) a value depending on the lifting capacity of the crane
b ) a variable value and depends on the angle between the tendons of the sling
c ) dependent on the weight of the cargo being transported
d ) a constant value
#3.
If a threat to human life or health and property and the environment is found, the inspector:
a ) issues a decision stopping the operation of a technical device
b ) issues a fine
c ) instructs the operator in writing
d ) all answers are correct
#4.
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
#5.
Can one load be lifted by two or more cranes?
a ) under no circumstances may lift
b ) may, after the operator has developed detailed operating conditions
c ) can, by agreement with the operator of the second crane
d ) may but only with special purpose cranes
#6.
The operator of a technical device is required to stop work when:
a ) his physical and mental condition on the working day is inadequate
b ) determines that further operation of the equipment poses a hazard
c ) the device is inoperative
d ) all answers are correct
#7.
Information on the principles of safe operation of the device is contained in:
a ) operating instructions for the device
b ) the law on technical supervision
c ) maintenance logbook
d ) the protocol of the test performed by the UDT inspector
#8.
The specialized sling shown in the figure is used for:
a ) lifting concrete elements
b ) lifting plastic parts
c ) lifting steel sheets
d ) lifting steel bars
#9.
Who allows the operation of a technical device without a valid decision authorizing its operation:
a ) is punishable by a fine or restriction of liberty
b ) is not subject to penalty if no accident occurs
c ) subject only to a fine
d ) is punishable by imprisonment
#10.
What does the inscription on the 25 t + 5 t overhead crane mean?
a ) the crane has two lifting mechanisms, one with a lifting capacity of 25 t, the other 5 t, and they can be operated simultaneously
b ) the crane has one lifting mechanism with a lifting capacity of 25 t, which can be overloaded by a maximum of 5 t
c ) the crane has two lifting mechanisms, one with a lifting capacity of 25 t, the other 5 t, and they cannot be operated simultaneously
d ) none of the above answers is correct
#11.
What color should the STOP immediate stop switch be marked with?
a ) yellow
b ) any
c ) red
d ) black and yellow
#12.
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
#13.
In the photo below, the beta symbol means:
a ) sling length
b ) the angle of deviation of the tendons from the vertical
c ) double-leg chain sling
d ) all answers are incorrect
#14.
Technical devices not covered by technical supervision are:
a ) cranes with a lifting capacity of up to 3.2 t
b ) hoists and winches and cranes
c ) lift trucks and mobile platforms
d ) transport slings
#15.
A maintenance log should be kept:
a ) in paper form only
b ) in electronic or paper form
c ) in electronic form only
d ) by the operator
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