General-purpose cranes, hoists and winches – test

WYNIK

#1. Based on the figure shown, indicate the value of A (WLL based on the alpha angle) for a double-leg sling:

a ) 70%

b ) 90%

c ) 110%

d ) 50%

#2. 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

#3. An overhead crane operator, seeing people in the path of the load being carried, should:

a ) lift the load being carried to such a height as to avoid snagging bystanders with the load while carrying it

b ) lift the load being carried until the "Up" limit switch is tripped, and check that these persons are wearing helmets

c ) warn those in the danger zone with an acoustic signal and continue work

d ) halt the operation being performed until bystanders leave the area

#4. The maximum weight of the load to be lifted at an angle of 1 of 40° must not exceed:

a ) 12000 kg

b ) 9000 kg

c ) 6000 kg

d ) all answers are incorrect

#5. Unless otherwise specified by the manufacturer, how much is the permissible reduction in rope diameter due to abrasion of the outer layer of wires?

a ) up to 3%

b ) 10% but not more than 5mm

c ) up to 15%

d ) up to 7%

#6. 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

#7. What does the 20/5 t information on the crane mean?

a ) the lifting capacity of the crane is 5 t, and the lifting height is 20 m

b ) the lifting capacity of the crane is 20 t with the possibility of briefly overloading it by 5 t

c ) the capacity of the crane is 25 t in total

d ) none of the above answers is correct

#8. The forms of technical supervision are:

a ) full supervision, simplified supervision, limited supervision

b ) acceptance test, periodic test and ad hoc test

c ) UDT, TDT, WDT

d ) all answers are correct

#9. Dangerous damage to a technical device is:

a ) any UTB fault

b ) unforeseen damage, as a result of which the device is suitable for partial operation

c ) unforeseen damage, as a result of which it is suitable for operation only with reduced parameters

d ) unforeseen damage, as a result of which the device is unfit for operation or its further operation poses a danger

#10. Overloading the UTB during operation:

a ) is prohibited

b ) is permissible

c ) is permissible but only up to 125% of the rated capacity

d ) is permissible but only up to 110% of the rated capacity

#11. How many rope clamping elements should be mounted on the rope drum?

a ) according to the manufacturer's documentation

b ) a minimum of 4

c ) more than 3

d ) 4 on at least 1.5 reels of rope on the drum

#12. An unfortunate accident is:

a ) a sudden event that caused injury or death

b ) a sudden event that caused an interruption of work

c ) a sudden event that results in the shutdown of a technical device from operation

d ) any UTB malfunction due to a fortuitous cause

#13. 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

#14. The load on the two-legged hook should be suspended:

a ) so that both corners are equally loaded

b ) so that the difference in the load of each corner of the hook is not more than 30%

c ) using only a special sling for a two-horn hook

d ) only using chain slings

#15. At what height above people can a load be transported using an overhead crane?

a ) up to 1.0 m provided the person is wearing a helmet on his head

b ) it is unacceptable

c ) as high as possible, so as not to hook the head of the person under the load

d ) depending on the provisions of the device manual

Zakończ test

Test: general purpose cranes, hoists and winches

WYNIK

#1. Based on the figure shown, indicate the value of A (WLL based on the alpha angle) for a double-leg sling:

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

#3. An overhead crane operator, seeing people in the path of the load being carried, should:

#4. The maximum weight of the load to be lifted at an angle of 1 of 40° must not exceed:

#5. Unless otherwise specified by the manufacturer, how much is the permissible reduction in rope diameter due to abrasion of the outer layer of wires?

#6. Lifting loads with two or more UTBs:

#7. What does the 20/5 t information on the crane mean?

#8. The forms of technical supervision are:

#9. Dangerous damage to a technical device is:

#10. Overloading the UTB during operation:

#11. How many rope clamping elements should be mounted on the rope drum?

#12. An unfortunate accident is:

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

#14. The load on the two-legged hook should be suspended:

#15. At what height above people can a load be transported using an overhead crane?