General-purpose cranes, hoists and winches – test

WYNIK

#1. The crane buffers are mounted:

a ) at the end of the running track

b ) on the headstocks

c ) on girders

d ) on the stringers

#2. 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

#3. The stopgaps are:

a ) elements used to prevent foreign objects from getting under the wheels of the crane

b ) elements to protect against the effects of breakage of the crane running wheel or its axle

c ) elements used to protect the crane from unintentional movement

d ) protective elements of the track structure

#4. The “STOP” safety switch is used to:

a ) to protect the crane from unauthorized use after the work is completed

b ) to stop the operation of the device immediately in emergency situations

c ) if the service brake fails, apply the emergency brakes

d ) all of the above answers are correct

#5. The limiter of the working movements of the crane mechanisms is:

a ) capacity limiter

b ) emergency stop switch "STOP"

c ) thrust bench

d ) limit switch

#6. Whether the operator of an overhead crane, hoist, winch, after finishing work on the hook of the lifting mechanism, can leave the slings:

a ) yes, but only chain or belt

b ) no

c ) yes, but only if the hook block lifts high enough

d ) in workplaces with continuous traffic it is recommended

#7. The maximum allowable apex angle a used in a sling can be:

a ) 120°

b ) 100°

c ) there are no restrictions, as it is sufficient to reduce the allowable working load of the sling

d ) 90°

#8. What type of hooks can be used in the block?

a ) the hooks may be made of plastic

b ) the hooks should be forged or plate hooks

c ) the hooks can be made of any material

d ) crane hooks should be steel castings

#9. The duty of the operator of the technical device is:

a ) refuse to operate the equipment if the decision authorizing the operation of that equipment has expired

b ) always comply with the instructions of the supervisor ordering the operation of the equipment

c ) comply with the provisions of the operating instructions

d ) the answers a and c are correct

#10. Above the containers where people may be present:

a ) it is allowed to carry cargo, provided that a vertical distance of 0.5 meters from the container is maintained

b ) it is not allowed to carry cargo

c ) it is allowed to carry cargo without stopping over containers and maintaining a vertical distance of 1 meter from the container

d ) none of the above answers is correct

#11. When the crane is finished working, it is necessary to:

a ) lower the hook to contact the ground

b ) raise the hook to trip the limit switch

c ) set the crane at its permanent location and raise the hook to a height that does not interfere with the transport routes below the tripping of the limit switch

d ) raise the hook block to a height that ensures proper tension on the load line strands

#12. Zero lock check:

a ) is carried out with the STOP button pressed.

b ) shall be carried out with the rated load

c ) does not require adjusting the control lever - locking is checked in the neutral position of the lever

d ) requires adjustment of all adjusters in all directions

#13. Technical equipment under technical supervision may be operated on the basis of:

a ) oral or written permission from an authorized conservationist

b ) a valid decision authorizing operation issued by the authority of the competent technical supervision unit

c ) the CE marking affixed to the device

d ) a declaration of conformity issued by the manufacturer

#14. Carrying loads over people is:

a ) permitted subject to written permission from the person in charge of the transport

b ) allowed, after providing safety factors for tendons and gripping devices greater than 10

c ) allowed provided that people are notified and equipped with personal protective equipment

d ) all answers are incorrect

#15. The adjusters are the components of an overhead crane used to:

a ) positioning the crane in parallel on the trackbed

b ) remote control of the crane mechanisms

c ) indirect control of crane mechanisms

d ) direct control of the crane mechanisms

Zakończ test

Test: general purpose cranes, hoists and winches