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Perform flushing, cleaning of equipment

Total questions: 15

Worksheet time: 5mins

Name
Class
Date
1.

Why does removing process contaminants is carried out?

a)

in order to protect equipment from corrosion

b)

in order to reduce the risk of critical formation of deposits

c)

in case of putting the equipment into operation

d)

in case of safe working conditions

2.

Who is responsible for the cleaning of the process equipment ?

a)

The engineering personnel in charge

b)

Electricians

c)

Trained specialists and using the special chemical agents

d)

Pipe mechanics

3.

What is the forth step of cleaning?

a)

Image printing

b)

Developing

c)

Stripping

d)

Etching

4.

What is etchant?

a)

a mixture of oxygen molecules

b)

a mixture of hydrocarbons

c)

a mixture of halogens

d)

a mixture of acids or alkalis

5.

By what the removing of chemical deposits and carbon deposits, also the removing of surface layer before the protective coating is carried?

a)

Cutting

b)

Pickling

c)

Scaling

d)

Ripping

6.

Find correct mandatory conditions during the preparation.

I) Work is carried out on the shutdown units;

II) To organize additional ventilation at the place of work;

a)

Both are correct

b)

Only I

c)

Only II

d)

Both are incorrect

7.

Choose the correct statement regarding the chemical decreasing.

a)

products of technological processing must be removed

b)

it is necessary to provide conditions for dismantling of units and parts for further

processing in specialized conditions of our company

c)

it is necessary to free up space around the place of work performance

d)

acid or alkaline solutions are used as degreasing agents

8.

2) Where does the grease, scale and carbon may form?

a)

Containers, pump

b)

Gas and fire burners

c)

Heater, reactor

d)

Pipe, condenser

9.

What is necessary to do before putting the equipment into operation?

a)

to detect microscopic defects on parts in the production process

b)

conclude a contract with an organization engaged in maintenance and flushing of boilers from scale

c)

make sure that the equipment needed to get the job done is complete

d)

carry out a diagnostic examination to determine the degree of wear

10.

Etching is used..

a)

to carry out a diagnostic examination to determine the degree of wear

b)

to free up space around the place of work performance

c)

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

d)

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

11.

Choose the incorrect method of removing grease deposits inside pipelines and on external parts of process units.

a)

external sprinkling with degreasing compositions

b)

by dipping parts and units into the bath with the degreasing solution

c)

by organizing additional ventilation at the place of work performance

d)

by washing internal surfaces with full or partial filling of the washed-out volume

12.

What is guarantee of long term operation?

a)

assurance of quality and customer satisfaction issued by a company

b)

profit that must be shared with the certified partner

c)

untimely or improperly executed measures on keeping stainless steel equipment

d)

flushing of industrial equipment

13.

What negative consequences can lead to the keeping stainless steel equipment clean?

a)

Lead to the corrosion

b)

Lead to breakdowns and violation of technological processes

c)

Lead to the discoloration of equipment

d)

Lead to the microbiological viruses

14.

Choose the incorrect step of process using alkaline solutions as degreasing agents:

a)

Degrease

b)

Neutralize

c)

Increase

d)

Flush

15.

The formed sludge or suspended particles are removed in?

a)

Simple garbage bag

b)

Container for special particles

c)

Container for extra particles

d)

Container for unimportant particles