General-purpose cranes, hoists and winches – test

WYNIK

#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

Zakończ test

Test: general purpose cranes, hoists and winches

WYNIK

#1. The zero lock will prevent the crane from engaging in the event of:

#2. The WLL value of a multi-leg sling is:

#3. If a threat to human life or health and property and the environment is found, the inspector:

#4. The safety element installed in the lifting mechanism of cranes can be:

#5. Can one load be lifted by two or more cranes?

#6. The operator of a technical device is required to stop work when:

#7. Information on the principles of safe operation of the device is contained in:

#8. The specialized sling shown in the figure is used for:

#9. Who allows the operation of a technical device without a valid decision authorizing its operation:

#10. What does the inscription on the 25 t + 5 t overhead crane mean?

#11. What color should the STOP immediate stop switch be marked with?

#12. A complete check of the lifting mechanism brake consists of:

#13. In the photo below, the beta symbol means:

#14. Technical devices not covered by technical supervision are:

#15. A maintenance log should be kept: