WorksheetsPO 4.3
Total questions: 50
Worksheet time: 25mins
Which types of installation are exist?
fermetical, physical, rotating and installational
mechanical, automatical, functional
suspended. floor, with lifting mechanism and manual drive
applicational, chemical, operational
What is the main problem of almost any industrial heating equipment
paint fading on the walls
formation of scale on the internal walls
breakdown of elements of equipment
corrosion of equipment
How many times routine inspections of equipment should be performed?
once a year
twice a year
every month
at least once a year
What is the simpliest unit for cleaning reactors?
Compact barrel
Mobile cleaning unit
Narrow barrel
Mobile cleaning unit
Choose the correct statement(narrow barrel)
The cleaning system equipped with a narrow barrel is capable of performing targeted cleaning
It allows slowly and smoothly clean the entire tank
It allows intensively clean those areas where toxic liquids are particularly firmly deposited on the walls
all of them
Choose the incorrect statement (mobile cleaning unit)
The mobile cleaning unit can be moved to the manhole and fixed to the reactor
The installation can be of an manual type, stay in place type, non-lifting mechanism and other types
The installation depends on the size of the structure and the purpose of application
It's widely used in polymerization tanks, reactors, fermentation tanks etc..
Etching is used
if it is necessary to carry out a diagnostic examination to determine the degree of wear
to detect microscopic defects on parts in the production process
when examining the working surfaces of machines and mechanisms during maintenance
all answers are correct
What is the necessary during the preparation of the working space and ereation of safe working condition?
necessary to free up space around the place of work performance
organize additional ventilation at the place of work performance
necessary to provide conditions for dismantling of units and parts for further processing in specialized conditions
all answer correct
Which barrel is equipped with a 3D type nozzle which is placed in the container through the upper hole?
compact barrel
narrow barrel
barrel with water jet nozzle
barrel for washing reactors with automatic feed
What is the advantage of barrel with water jet nozzle?
automatic feeding
compactness
reliable cleaning
uniform cleaning
Pickling is the process, when removed what kind of impurities?
The removal of corrosion, grease and chemicals.
The removal of chemical deposits, scales and carbon deposits.
The removal of scales, water and silicon dioxide.
The removal of carbon deposits, solid and grease.
Where to use Five-axis robotic washing machine
small capacity tanks, for medical solution (nedicine, cosmetics), storage tanks, containers, etc.
Containers intended for polymerization, reactors, cyclones, fermentation tanks, containers, etc.
Fermentation tanks, storage tanks, spray diyers, large diameter pipes, silos, etc.
Polymerization tanks, chemical industry reactors, etc.
At what speed does 2D Nozzel work?
The nozzle rotation speed varies from 20 to 40 revolutions per minute.
The nozzle rotation speed varies from 14 to 35 revolutions per minute.
The nozzle rotation speed varies from 14 to 40 revolutions per minute.
The nozzle rotation speed vartes from 20 to 35 revolutions per minute.
What's application for wing-shaped washing unit?
Oil transportation tanks, tank trucks, container tanks, etc.
Containers and small capacity of 1 cubic meter.
Containers intended for polymerization, reactors, cyclones, fermentation tanks, containers, etc.
Small capacity tanks, containers for medical solutions (medicine, cosmetics), storage tanks, containers, etc.
Stationary reactor cleaning systems are installed in…
the small capacity tanks
the container tanks
the reactor inspection hatch
the container
These deposits may form
filters, gas burners, pipes, as well as many other auxiliary elements, depending on the model, type and configuration
on the inside and outside surfaces of piping and containers; pumps; feed screws and vanes; gas and liquid burners.
in the food, chemical, energy and many other industries consist of elements and parts made of stainless steel.
elements, depending on the model, type and configuration.
What is the purpose of calibration of the ph meter equipment during its usage?
The taking correct measures for the solution by changing its ph
The correcting procedure of the equipment before the usage for accuracy
The correcting the measures during processing
The procedure of making standard measures of the solution by the ph meter as the result one
The reference devices are designed to...
convert the size of unit to other measuring or control devices
transfer the unit size into the combinated measuring and control devices
convert the taken unit size to the control devices respectively
provide to the measuring devices the unit size of the apparatus
Which automation is identifed as high in production sales and with high initial investment?
Programmable Automation
Installed Automation
Semi-Flexible Automation
Fixed Automation
Application of Narrow Barrel?
storage tanks
tanks
fermentation tank
reactors and polymerization tanks
Reactor cleaning system designed for?
quick cleaning
targeted cleaning
efficient and safe cleaning
to clean the small containers
Application of Treatment Plant with a sleeve soil?
spray dryer
small diameter pipes
tanks
What is the weight and diameter of water jet nozzle?
15 kg; 100 mm
20 kg; 95 mm
10 kg; 80 mm
7 kg; 90 mm
A simple and lightweight system for cleaning small containers equipped with a...
3D type nozzle
Surface type nozzle
2D type nozzle
No correct answers
What cleans 3D nozzle located in the center of the container?
External surface
External walls
Inner walls
Inner surface
What is the sliding barrel with manual control for cleaning containers?
Inexpensive solution
Buffer solution
Calibration
Rare solution
What is the main problem of any industrial heating equipment?
formation of scale on the internal walls
formation of corrosion on the external walls
failure of equipment
release of large amount of heat
What is the purpose of cleaning the equipment?
increase the productivity
avoid explosions
improvement of the equipment
protection from corrosion
Where may be formed grease and scale?
outside and inside surfaces of piping and containers, pumps.
on the equipment
only outside
only inside.
Which statement is not mandatory condition during the preparation work?
to free up the space around the place of work performance
to neutralize the detergent
to bring water to the place of work performance and organize waste water removal
to organize additional ventilation at the place of work performance
How many steps are there in the etching process?
7
9
10
8
What is used as an etchant in the etchant bath technology?
a mixture of acids or alkalis
oxides
grease, carbon
a mixture of hydraulie fluid
What should be done after pickling and washing the equipment?
the metallic steel surface is washed from salts
the rubber surface is cleaned of impurities
the stainless steel is cleaned of impuritys and the surface layer of oxides
the stainless steel is cleaned of acids
What is not application of wing-shaped washing unit?
Tank trucks
Container trucks
Storage tanks
Transportation tanks
The wing-shaped washing unit is specially designed for?
Horizontal container
Vertical container
None of them
Both of them
Difference of 2D nozzles from 3D nozzles?
Magnetic braking system
The speed of the rotation of the nozzle varies from 14 to 40 revolutions per minute
Reactive force of water jets ejected in a horizontal plane
Rotation is depending on the volume and nature of contamination of the walls
What is the compact barrel?
the cleaning system
is the simplest unit for cleaning reactors of different sizes
is equipped with a special sealing mechanism that allows quickly clean the reactor without opening the inspection
none of them
Choose the correct treatment plant with a sleeve oil
-compactness and light weight
-easy to operate
-the hose is fed using a pneumatic or electric motor
-compactness
⁃ through cleaning
⁃ possibility of instillation in small manholes 6B
-automatically and remotely
⁃ installed in the reactor inspection hatch
⁃ compactness
none of them
Choose the application for cleaning installations for small containers.
Polymerization tanks, chemical industry reactors, etc.
Polymerization tanks, storage tanks, etc.
Fermentation tanks, storage tanks, spray dryers, large diameter pipes, silos, etc.
all of them
Which of these is a feature of reactor cleaning system?
Leaves sludge and reactors poorly cleaned
Automation of cleaning increases labor costs.
Uniform, thorough cleaning of the entire inner surface of the reactor.
The cleaning pressure allows you to increase the amount of water used to clean the surface.
What can a cleaning system with a narrow barrel do?
capable of performing targeted cleaning, which allows not only to quickly clean the entire tank, but also to intensively clean those areas where polymers are particularly firmly deposited on the walls.
It can be installed in small manholes, while not requiring a lot of free space to work.
can be of an automatic type, a trolley type, with a lifting mechanism and other types,
To achieve optimal cleaning of the entire tank, the nozzle assembly is straightened in a horizontal plane.
What vou can do with a sealing system?
easily moved from place to place with the help of a special trolley
easy to operate and move even in a confined space
system come with a lifting mechanism and a suspension type
allows quickly clean the reactor without opening the inspection
Reactor cleaning systems are:
designed for safe cleaning of the inner surface of polymerization reactors
designed for efficient and safe cleaning and stripping of the inner surface of polymerization reactors, reactors and storage tanks
designed for stripping of the inner surface of polymerization reactors
designed for stripping of the inner surface of polymerization reactors and storage tanks
Reactor cleaning systems supply :
water under high pressure
oil under high pressure
gas under high pressure
none of them
Sealed system
is a system which equipped with a special sealing mechanism that allows quickly clean the reactor without opening the inspection.
is a system which equipped with a special sealing mechanism that allows quickly clean the reactor with opening the inspection
is a system which not equipped with a special sealing mechanism that allows slowly clean the reactors
none of them
Narrow barrel
is a system with a narrow barrel
is a system equipped which performing targeted cleaning
is a cleaning system which equipped with a narrow barrel
The cleaning system which equipped without a narrow barrel
The compact barrel:
is the simplest unit for cleaning reactors of different sizes, consisting of the barrel a 3D nozzle.
is the unit for cleaning reactors
is the special unit for cleaning 3D reactors
is the unit for checking reactors of different sizes
The sleeve coil
is a solution for elongated containers
is a product for elongated containers
is a product for elongnted containers and the upper free space above which is limited by the ceiling.
is a solution for elongnted containers and containers, the upper free space above which is
An automatic washing barrel equipped with
3D type nozzle
2D type nozzle
4D type nozzle
5D type nozzle
Dry ice cleaning includes main products:
kinetic and thermal energy
kinetic and thermal force
kinetic energy, thermal shock, and sublimation
energy and sublimation
