General-purpose cranes, hoists and winches – test

WYNIK

#1. Based on the drawing shown, indicate the correct way to attach the hook:

a ) A

b ) B

c ) C

d ) D

#2. The following figure shows:

a ) specialized slings for transporting steel and concrete pipes

b ) a tick gripper for handling scrap metal

c ) specialized slings for transporting loads placed on transport pallets

d ) element of rail tongs

#3. 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

#4. How should large-sized cargoes be prevented from fluctuating?

a ) the hookman holds the load with his hand

b ) the operator holds the load with his hand

c ) using a belaying rope attached to the load

d ) all of the above answers are correct

#5. Unless otherwise provided by the manufacturer, the limit switch of the lifting mechanism in the “down” direction should be set so that:

a ) there is at least 1.5 m of rope left on the drum

b ) there is at least 2.5 m of rope left on the drum together with the section used to secure it

c ) there is at least 1.5 reels of rope left on the drum, not counting the section used to secure it

d ) at least half the length of the rope is left on the drum

#6. The weight of a cargo consisting of 40 packages of 25 kg each is:

a ) 800 kg

b ) 1000 kg

c ) 1100 kg

d ) 900 kg

#7. Which of the following defects disqualifies a cable sling from further operation?

a ) the strand breaks in the rope

b ) local reduction in diameter due to breakage of the rope core

c ) basket-shaped deformation

d ) all answers are correct

#8. If the operator notices spontaneous slow lowering of the load with an overhead crane during load transfer, then:

a ) this means a failure of the lifting mechanism brake

b ) this means a temporary reduction in supply voltage, which will pass spontaneously

c ) this is the effect of tripping the load limiter

d ) in signalman controls, this is a perfectly normal situation

#9. If there is limited visibility of the cargo storage area, you should:

a ) refuse to do the work

b ) enlist the help of a hook (signalman)

c ) first try to put down without the help of the hookman, only when it fails to ask him for help

d ) estimate the transport route, and then put down the cargo yourself

#10. In the case of operation of two or more cranes on a single track, electrical protection to prevent the cranes from invading each other is:

a ) limit switches

b ) anti-collision system

c ) load limiters

d ) movement release stops

#11. The agreed repair or upgrade of technical equipment can be performed:

a ) repairer or retrofitter who holds an authorization issued by the authority of the relevant technical supervision unit

b ) operating a technical device with relevant experience in repairs or upgrades

c ) a maintenance technician with relevant experience in repairs or upgrades

d ) to a small extent competent operator

#12. A change in technical parameters or a change in the design of a technical device is treated as:

a ) modernization of the technical device

b ) repair of a technical device

c ) repairing defects and other irregularities of the technical device

d ) manufacture of new equipment

#13. What is wind protection used for?

a ) protect against the effects of lightning strikes on the crane structure

b ) protect against unintentional movement of the crane

c ) to the intended braking of the crane driving mechanism during operation

d ) to immobilize the bridge structure in order to safely perform crane work during high winds

#14. An operator of a technical device may undertake work when:

a ) the device has a valid decision authorizing its operation, if required by the relevant regulations

b ) has a qualification certificate of the appropriate category

c ) the device has a current positive maintenance inspection result

d ) all of the above conditions must be met simultaneously

#15. Repair and modernization of a technical device is performed:

a ) operator within the scope of his skills

b ) conservator

c ) authorized establishment

d ) operating

Zakończ test

Test: general purpose cranes, hoists and winches