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Seagull CBT Ex Basic, Assessment Answers (CD 4127, Engine, Operational)

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Amount of questions: 40.

Right answers marked with this sign .

How big AC nominal tension requires Protective Earthing (PE)?
50 V.
Over 50 V.
Under 50 V.
How many earthing wires may be connected to one screw?
1.
1 to 2.
1 to 3.
How often must you repeat the course on using electrical skills in the explosive areas?
Every 3 years.
Every 5 years.
Every 7 years.
In which Ex-zone is it allowed to use Exe motors?
0.
0 and 1.
1 and 2.
In which Ex-zone is it allowed to use the Exn motors?
0.
1.
2.
In which zone can we use this equipment: ATEX II 2 G?
Zone.
Zone 1.
Zone 2.
In which zone is it allowed to use Exib equipment?
0.
1.
2.
In which zone(s) must we use Ex certified electrical equipment?
0.
0 and 1.
0, 1 and 2.
To test the earthing resistance with MegaOhm-meter, is it necessary to disconnect the earthing wire?
No.
Yes, both ends.
Yes, the end on testing side.
What does the housing IP-grade show?
Protection against gas.
Protection against power surge.
Protection against water and dust.
What does the letter «e» mean in Ex-marking?
Explosion-proof equipment.
Ignition-proof equipment.
Intrinsically safe equipment.
What does the letter «i» mean in Ex-marking?
Intrinsically safe equipment.
Explosion-proof equipment.
Ignition-proof equipment.
What does this marking mean: Eex ib IIB T5?
Explosion-proof equipment, approved for zones 1 and 2.
Ignition-proof equipment, approved for zones 1 and 2.
Intrinsically safe equipment, approved for zones 1 and 2.
What is considered the normal ambient temperature for electrical equipment?
-10 °C to +40 °C.
-20 °C to +40 °C.
-20 °C to +50 °C.
What is the maximum allowed resistance between connection point and main earthing in the intrinsically safe circuits?
0,1 Ohm.
1,0 Ohm.
10 Ohm.
What is the maximum allowed voltage for an Exe motor?
1,1 kV.
11 kV.
110 kV.
What is the minimum allowed wire cross-section for cables used for portable devices?
0,5 Square millimeters.
0,75 Square millimeters.
1,0 Square millimeters.
1,5 Square millimeters.
What is the minimum required distance between intrinsically safe end connections and non-intrinsically safe connections?
30 mm.
50 mm.
500 mm.
What is the minimum required distance between the intrinsically safe end connections and earthed metal?
3 mm.
5 mm.
10 mm.
When is it possible to use electrical equipment at non-standard environmental temperatures?
If the marked temperature range for the given equipment matches the environment temperatures.
If the user has tested the temperature range first.
It is not possible.
Where does the FSE directive apply?
Onshore.
Offshore.
Onshore and offshore.
Where does the FUSEX directive apply?
Offshore.
Onshore.
Onshore and offshore.
Which Ex-equipment group is meant for using in the coal mines?
I.
I and II.
II.
Which Ex-equipment is allowed to use in zone 0?
Ex ia.
Ex e.
Ex ib.
Which Ex-protection class does this equipment use: equipment cabinet containing contactors and fuses, with direct cable entry?
Ex de.
Ex qe.
Exd.
Which colour marks the intrinsically safe circuit cables?
Black.
Red.
Yellow.
Light blue.
Which equipment is not allowed to use in zone 1?
Exn equipment.
Exi equipment.
Zone 0 equipment.
Which equipment requires Exd glands?
Ex d.
Ex e.
Ex i.
Which explosion-hazard zone do these areas belong to: tanks, pipes, vicinity of safety valves?
0.
1.
2.
Which gas group indicates the rapid increase in pressure?
IIC.
IIA.
IIB.
Which gas group indicates the slow increase in pressure?
IIB.
IIA.
IIC.
Which glands is it allowed to use with Exe equipment?
Exe glands.
Exd glands.
Regular industrial glands.
Which is the marking for oil-filled devices?
Ex o.
Ex d.
Ex i.
Ex p.
Which is the marking for over-pressure devices?
Ex p.
Ex e.
Ex i.
Ex o.
Which power-supply system is not allowed to use in the explosion-hazard areas?
TN-C.
IT.
TN-S.
TT.
Who is allowed to repair the Ex-equipment?
An electrician who has taken the Ex-course.
Certified workshop.
End user.
Who may not repair serious defects and do flame-path repairs?
End user.
Certified workshop.
Manufacturer.
With which equipment is it not allowed to use Exe glands?
Exd with direct cable entry.
Exd with indirect cable entry.
Exe.
With which gas group is it allowed to use the class IIB equipment?
All gases.
IIA gases.
IIA and IIB gases.
With which gas group is it allowed to use the class IIC equipment?
IIA and IIB gases.
IIA gases.
All gases.

Welcome to the website where you can pass online the CES CBT CD-4127 test on the subject «Ex Basic, Assessment». Practice like this will help you as a marine specialist improve your knowledge with the help of online studying and appraisal practice. CES based on practical information and marine specialists experience.

CES tests developed for evaluating seaman basic knowledge by Seagull Company (rebranded as «OTG»), is an evaluating online-tool, used for revealing any professional preparation needed in specific fields of knowledge, defined by STCW.

CES tests have proven themselves as good tools for the selection and recruitment process, as well as advancing the level of knowledge of the current officers and crew. Ocean Technologies Group use various subjects for question creation, which includes:

  • Crowd and Crisis Management;
  • Integrated Navigation System (INS);
  • Ballast water management;
  • Handling and Stowage;
  • Vessel operation management and safety;
  • Marine engineering;
  • Maintenance and repair, etc.

Current test contains Seagull CES questions on the subject «Ex Basic, Assessment». Those questions can be used for competence verification specialist capable of preventing accidental situations related with transporting safety, or also for self-examination.

«Ex Basic, Assessment» subject includes theoretical and practical information about advanced training for work on any type of vessel. The test provides a comprehensive foundation for advanced maritime training. This includes safety procedures, navigation techniques and communication protocols. Practical exercises and simulations are integral components, allowing trainees to apply learned concepts in realistic scenarios. The subject also includes rigorous assessments to evaluate understanding and proficiency. Successful completion demonstrates a solid grasp of fundamental maritime principles. Ultimately, this course prepares individuals for more specialized roles and responsibilities in the maritime industry.

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Vladimir Filatov
Vladimir Filatov
Chief Officer
About

Senior Mate with 12+ years of experience in the international merchant marine.

  • Development and implementation of navigation and on-board safety plans.
  • Supervising the work of the crew and assisting the captain in managing the vessel.
  • Participation in training of junior crew, ensuring compliance with safety standards.

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December, 12, 2024 2429 0
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