Mobile platforms – test

WYNIK

#1. 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

#2. Emergency lowering in free-scissor platforms is implemented most often:

a ) by using a second platform with similar parameters

b ) direct override of the emergency lowering valve by means of a pull rod

c ) by using an additional hydraulic pump

d ) manufacturers of scissor platforms do not provide for emergency lowering

#3. As part of daily maintenance, the operator checks that:

a ) turtle/hare speed change functions work properly

b ) the way the control lever is swung affects the increase/decrease of the driving speed

c ) there is an automatic reduction of the driving speed when the platform is raised to the height specified in the documentation

d ) all answers are correct

#4. The criteria and conditions for the correct performance of hydraulic system tests are established:

a ) manufacturer of the device

b ) conservator

c ) operator

d ) operating

#5. 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

#6. Bypass valve installed in the hydraulic system of the platform:

a ) protects against excessive pressure build-up

b ) holds the actuator in a fixed position

c ) protects the lifting system from sinking

d ) is the feed element of the hydraulic system

#7. Based on the work area diagram shown, determine the maximum allowable load of the work platform raised to a height of 22 m and an overhang of 9 m :

a ) operation not allowed due to exceeding the permissible operating parameters

b ) 280 kg

c ) 200 kg

d ) 80 kg

#8. A person may take the qualification examination who:

a ) has applied for a qualification check

b ) has reached the age of 18

c ) has no health contraindications to operate technical equipment

d ) all answers are correct

#9. The symbol shown specifies:

a ) button that activates the driving mechanism

b ) the button that activates the lifting mechanism

c ) maximum lift height

d ) prohibition of moving the platform when the platform is raised

#10. The safe spacing distance of the platform from the edge of the excavation depends on:

a ) the depth of the excavation

b ) wind forces

c ) adequate visibility

d ) all answers are correct

#11. The mechanical safety element that protects the scissor platform from the effects of damage to the running wheels when the platform is raised is the element marked in the figure:

a ) A

b ) B

c ) C

d ) all answers are incorrect

#12. As part of the daily maintenance and battery evaluation of electric mobile platforms, the operator checks:

a ) electrolyte level

b ) degree of charge

c ) method of attachment

d ) all answers are correct

#13. The element that protects the hydraulic system from excessive pressure build-up is:

a ) controllable check valve

b ) throttling valve

c ) hydraulic distributor

d ) bypass valve

#14. Hydraulic oil density at freezing temperatures:

a ) is decreasing

b ) increases

c ) temperature has no effect on oil density

d ) remains unchanged

#15. According to the Decree of the Council of Ministers on the types of technical equipment subject to technical supervision, technical supervision regulations are subject to:

a ) cranes, cranes, overhead cranes, winches and hoists

b ) lift trucks with mechanical lifting drive, mobile platforms

c ) linotor cranes, cabin and chair conveyors

d ) all answers are correct

Zakończ test

Test: mobile platforms

WYNIK

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

#2. Emergency lowering in free-scissor platforms is implemented most often:

#3. As part of daily maintenance, the operator checks that:

#4. The criteria and conditions for the correct performance of hydraulic system tests are established:

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

#6. Bypass valve installed in the hydraulic system of the platform:

#7. Based on the work area diagram shown, determine the maximum allowable load of the work platform raised to a height of 22 m and an overhang of 9 m :

#8. A person may take the qualification examination who:

#9. The symbol shown specifies:

#10. The safe spacing distance of the platform from the edge of the excavation depends on:

#11. The mechanical safety element that protects the scissor platform from the effects of damage to the running wheels when the platform is raised is the element marked in the figure:

#12. As part of the daily maintenance and battery evaluation of electric mobile platforms, the operator checks:

#13. The element that protects the hydraulic system from excessive pressure build-up is:

#14. Hydraulic oil density at freezing temperatures:

#15. According to the Decree of the Council of Ministers on the types of technical equipment subject to technical supervision, technical supervision regulations are subject to: