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PO 4.3

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

Which types of installation are exist?

a)

fermetical, physical, rotating and installational

b)

mechanical, automatical, functional

c)

suspended. floor, with lifting mechanism and manual drive

d)

applicational, chemical, operational

2.

What is the main problem of almost any industrial heating equipment

a)

paint fading on the walls

b)

formation of scale on the internal walls

c)

breakdown of elements of equipment

d)

corrosion of equipment

3.

How many times routine inspections of equipment should be performed?

a)

once a year

b)

twice a year

c)

every month

d)

at least once a year

4.

What is the simpliest unit for cleaning reactors?

a)

Compact barrel

b)

Mobile cleaning unit

c)

Narrow barrel

d)

Mobile cleaning unit

5.

Choose the correct statement(narrow barrel)

a)

The cleaning system equipped with a narrow barrel is capable of performing targeted cleaning

b)

It allows slowly and smoothly clean the entire tank

c)

It allows intensively clean those areas where toxic liquids are particularly firmly deposited on the walls

d)

all of them

6.

Choose the incorrect statement (mobile cleaning unit)

a)

The mobile cleaning unit can be moved to the manhole and fixed to the reactor

b)

The installation can be of an manual type, stay in place type, non-lifting mechanism and other types

c)

The installation depends on the size of the structure and the purpose of application

d)

It's widely used in polymerization tanks, reactors, fermentation tanks etc..

7.

Etching is used

a)

if it is necessary to carry out a diagnostic examination to determine the degree of wear

b)

to detect microscopic defects on parts in the production process

c)

when examining the working surfaces of machines and mechanisms during maintenance

d)

all answers are correct

8.

What is the necessary during the preparation of the working space and ereation of safe working condition?

a)

necessary to free up space around the place of work performance

b)

organize additional ventilation at the place of work performance

c)

necessary to provide conditions for dismantling of units and parts for further processing in specialized conditions

d)

all answer correct

9.

Which barrel is equipped with a 3D type nozzle which is placed in the container through the upper hole?

a)

compact barrel

b)

narrow barrel

c)

barrel with water jet nozzle

d)

barrel for washing reactors with automatic feed

10.

What is the advantage of barrel with water jet nozzle?

a)

automatic feeding

b)

compactness

c)

reliable cleaning

d)

uniform cleaning

11.

Pickling is the process, when removed what kind of impurities?

a)

The removal of corrosion, grease and chemicals.

b)

The removal of chemical deposits, scales and carbon deposits.

c)

The removal of scales, water and silicon dioxide.

d)

The removal of carbon deposits, solid and grease.

12.

Where to use Five-axis robotic washing machine

a)

small capacity tanks, for medical solution (nedicine, cosmetics), storage tanks, containers, etc.

b)

Containers intended for polymerization, reactors, cyclones, fermentation tanks, containers, etc.

c)

Fermentation tanks, storage tanks, spray diyers, large diameter pipes, silos, etc.

d)

Polymerization tanks, chemical industry reactors, etc.

13.

At what speed does 2D Nozzel work?

a)

The nozzle rotation speed varies from 20 to 40 revolutions per minute.

b)

The nozzle rotation speed varies from 14 to 35 revolutions per minute.

c)

The nozzle rotation speed varies from 14 to 40 revolutions per minute.

d)

The nozzle rotation speed vartes from 20 to 35 revolutions per minute.

14.

What's application for wing-shaped washing unit?

a)

Oil transportation tanks, tank trucks, container tanks, etc.

b)

Containers and small capacity of 1 cubic meter.

c)

Containers intended for polymerization, reactors, cyclones, fermentation tanks, containers, etc.

d)

Small capacity tanks, containers for medical solutions (medicine, cosmetics), storage tanks,
containers, etc.

15.

Stationary reactor cleaning systems are installed in…

a)

the small capacity tanks

b)

the container tanks

c)

the reactor inspection hatch

d)

the container

16.

These deposits may form

a)

filters, gas burners, pipes, as well as many other auxiliary elements, depending on the model, type and configuration

b)

on the inside and outside surfaces of piping and containers; pumps; feed screws and vanes; gas and liquid burners.

c)

in the food, chemical, energy and many other industries consist of elements and parts made of stainless steel.

d)

elements, depending on the model, type and configuration.

17.

What is the purpose of calibration of the ph meter equipment during its usage?

a)

The taking correct measures for the solution by changing its ph

b)

The correcting procedure of the equipment before the usage for accuracy

c)

The correcting the measures during processing

d)

The procedure of making standard measures of the solution by the ph meter as the result one

18.

The reference devices are designed to...

a)

convert the size of unit to other measuring or control devices

b)

transfer the unit size into the combinated measuring and control devices

c)

convert the taken unit size to the control devices respectively

d)

provide to the measuring devices the unit size of the apparatus

19.

Which automation is identifed as high in production sales and with high initial investment?

a)

Programmable Automation

b)

Installed Automation

c)

Semi-Flexible Automation

d)

Fixed Automation

20.

Application of Narrow Barrel?

a)

storage tanks

b)

tanks

c)

fermentation tank

d)

reactors and polymerization tanks

21.

Reactor cleaning system designed for?

a)

quick cleaning

b)

targeted cleaning

c)

efficient and safe cleaning

d)

to clean the small containers

22.

Application of Treatment Plant with a sleeve soil?

a)

spray dryer

b)

small diameter pipes

c)

tanks

23.

What is the weight and diameter of water jet nozzle?

a)

15 kg; 100 mm

b)

20 kg; 95 mm

c)

10 kg; 80 mm

d)

7 kg; 90 mm

24.

A simple and lightweight system for cleaning small containers equipped with a...

a)

3D type nozzle

b)

Surface type nozzle

c)

2D type nozzle

d)

No correct answers

25.

What cleans 3D nozzle located in the center of the container?

a)

External surface

b)

External walls

c)

Inner walls

d)

Inner surface

26.

What is the sliding barrel with manual control for cleaning containers?

a)

Inexpensive solution

b)

Buffer solution

c)

Calibration

d)

Rare solution

27.

What is the main problem of any industrial heating equipment?

a)

formation of scale on the internal walls

b)

formation of corrosion on the external walls

c)

failure of equipment

d)

release of large amount of heat

28.

What is the purpose of cleaning the equipment?

a)

increase the productivity

b)

avoid explosions

c)

improvement of the equipment

d)

protection from corrosion

29.

Where may be formed grease and scale?

a)

outside and inside surfaces of piping and containers, pumps.

b)

on the equipment

c)

only outside

d)

only inside.

30.

Which statement is not mandatory condition during the preparation work?

a)

to free up the space around the place of work performance

b)

to neutralize the detergent

c)

to bring water to the place of work performance and organize waste water removal

d)

to organize additional ventilation at the place of work performance

31.

How many steps are there in the etching process?

a)

7

b)

9

c)

10

d)

8

32.

What is used as an etchant in the etchant bath technology?

a)

a mixture of acids or alkalis

b)

oxides

c)

grease, carbon

d)

a mixture of hydraulie fluid

33.

What should be done after pickling and washing the equipment?

a)

the metallic steel surface is washed from salts

b)

the rubber surface is cleaned of impurities

c)

the stainless steel is cleaned of impuritys and the surface layer of oxides

d)

the stainless steel is cleaned of acids

34.

What is not application of wing-shaped washing unit?

a)

Tank trucks

b)

Container trucks

c)

Storage tanks

d)

Transportation tanks

35.

The wing-shaped washing unit is specially designed for?

a)

Horizontal container

b)

Vertical container

c)

None of them

d)

Both of them

36.

Difference of 2D nozzles from 3D nozzles?

a)

Magnetic braking system

b)

The speed of the rotation of the nozzle varies from 14 to 40 revolutions per minute

c)

Reactive force of water jets ejected in a horizontal plane

d)

Rotation is depending on the volume and nature of contamination of the walls

37.

What is the compact barrel?

a)

the cleaning system

b)

is the simplest unit for cleaning reactors of different sizes

c)

is equipped with a special sealing mechanism that allows quickly clean the reactor without opening the inspection

d)

none of them

38.

Choose the correct treatment plant with a sleeve oil

a)

-compactness and light weight

-easy to operate

-the hose is fed using a pneumatic or electric motor

b)

-compactness

⁃ through cleaning

⁃ possibility of instillation in small manholes 6B

c)

-automatically and remotely

⁃ installed in the reactor inspection hatch

⁃ compactness

d)

none of them

39.

Choose the application for cleaning installations for small containers.

a)

Polymerization tanks, chemical industry reactors, etc.

b)

Polymerization tanks, storage tanks, etc.

c)

Fermentation tanks, storage tanks, spray dryers, large diameter pipes, silos, etc.

d)

all of them

40.

Which of these is a feature of reactor cleaning system?

a)

Leaves sludge and reactors poorly cleaned

b)

Automation of cleaning increases labor costs.

c)

Uniform, thorough cleaning of the entire inner surface of the reactor.

d)

The cleaning pressure allows you to increase the amount of water used to clean the surface.

41.

What can a cleaning system with a narrow barrel do?

a)

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.

b)

It can be installed in small manholes, while not requiring a lot of free space to work.

c)

can be of an automatic type, a trolley type, with a lifting mechanism and other types,

d)

To achieve optimal cleaning of the entire tank, the nozzle assembly is straightened in a horizontal plane.

42.

What vou can do with a sealing system?

a)

easily moved from place to place with the help of a special trolley

b)

easy to operate and move even in a confined space

c)

system come with a lifting mechanism and a suspension type

d)

allows quickly clean the reactor without opening the inspection

43.

Reactor cleaning systems are:

a)

designed for safe cleaning of the inner surface of polymerization reactors

b)

designed for efficient and safe cleaning and stripping of the inner surface of polymerization reactors, reactors and storage tanks

c)

designed for stripping of the inner surface of polymerization reactors

d)

designed for stripping of the inner surface of polymerization reactors and storage tanks

44.

Reactor cleaning systems supply :

a)

water under high pressure

b)

oil under high pressure

c)

gas under high pressure

d)

none of them

45.

Sealed system

a)

is a system which equipped with a special sealing mechanism that allows quickly clean the reactor without opening the inspection.

b)

is a system which equipped with a special sealing mechanism that allows quickly clean the reactor with opening the inspection

c)

is a system which not equipped with a special sealing mechanism that allows slowly clean the reactors

d)

none of them

46.

Narrow barrel

a)

is a system with a narrow barrel

b)

is a system equipped which performing targeted cleaning

c)

is a cleaning system which equipped with a narrow barrel

d)

The cleaning system which equipped without a narrow barrel

47.

The compact barrel:

a)

is the simplest unit for cleaning reactors of different sizes, consisting of the barrel a 3D nozzle.

b)

is the unit for cleaning reactors

c)

is the special unit for cleaning 3D reactors

d)

is the unit for checking reactors of different sizes

48.

The sleeve coil

a)

is a solution for elongated containers

b)

is a product for elongated containers

c)

is a product for elongnted containers and the upper free space above which is limited by the ceiling.

d)

is a solution for elongnted containers and containers, the upper free space above which is

49.

An automatic washing barrel equipped with

a)

3D type nozzle

b)

2D type nozzle

c)

4D type nozzle

d)

5D type nozzle

50.

Dry ice cleaning includes main products:

a)

kinetic and thermal energy

b)

kinetic and thermal force

c)

kinetic energy, thermal shock, and sublimation

d)

energy and sublimation