Quiz: Precautions of Static Electricity

Why Do We Need to Worry about Static Electricity?

In this lesson, you will learn more about how static electricity is formed and why you must be aware of static electricity risks when handling flammable fluids.

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How Does Different Material Behave in Terms of Static Electricity?

Conductivity differs between different materials. To know how to handle your equipment onboard, you will learn more about the classification of materials in this lesson.

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What Are the Sources of Static Electricity Onboard?

In this lesson, you will learn more about static accumulators and the importance of interting when handling flammable fluids.

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What Precautions Can Be Implemented to Mitigate the Risks Posed By Static Electricity?

What can you do to minimize the risks of static electricity? In this lesson, you will learn more about precautions to prevent incidents that electrostatic discharges may cause.

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Quiz: Precautions of Static Electricity

  • 11
  • Questions
  • No time limit
  • Unlimited attempts
  • 70%
  • Passing threshold

Question 1 of 11

Why are full-depth sounding pipes are provided in cargo tanks?

Question 2 of 11

Is the following statement true or false? Unbonded metallic ullage bobs or sampler can be used if the tanks are inerted.

Question 3 of 11

Why should ullage bob or sampler should be bonded prior to lowering into the tank?

Question 4 of 11

What is the maximum loading rate at the beginning to avoid excessive charge accumulation inside the cargo tanks?

Question 5 of 11

What should be checked and confirmed prior to steaming cargo tanks?

Question 6 of 11

Is the following statement true or false? The bonding wire is provided inside the tank cleaning hose to provide extra strength.

Question 7 of 11

What is the highest resistance when checking the continuity of tank cleaning hoses?

Question 8 of 11

Is the following statement true or false? It is safe to start a steaming operation immediately upon completion of tank cleaning.

Question 9 of 11

Is the following statement true or false? The static charge generated due to the hands rubbing on the deck railing is usually enough to cause an explosion.

Question 10 of 11

In a non-inerted cargo tank, the initial loading rate should not be increased until:

Question 11 of 11

What is the continuity of tank cleaning hoses checks?

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Why are full-depth sounding pipes are provided in cargo tanks?

To protect the sounding bob from getting damaged.
Your answer
The sounding bob goes straight to the tank bottom and not at an angle.
Your answer
The accumulated charge on the sharp tank surfaces does not come in contact with the bob.
Your answer

Is the following statement true or false? Unbonded metallic ullage bobs or sampler can be used if the tanks are inerted.

True.
Your answer
False.
Your answer

Why should ullage bob or sampler should be bonded prior to lowering into the tank?

It helps giving more accurate results.
Your answer
Accumulated charge inside the tank can be isolated.
Your answer
Accumulated charge inside the tank if any can find its way to the earth.
Your answer

What is the maximum loading rate at the beginning to avoid excessive charge accumulation inside the cargo tanks?

1 m/s.
Your answer
2 m/s.
Your answer
5 m/s.
Your answer

What should be checked and confirmed prior to steaming cargo tanks?

The cargo tank openings are closed and tank is gas tight.
Your answer
The cargo tanks are clean and dry.
Your answer
Temperature of cargo tank should be checked and recorded.
Your answer
The cargo tanks are gas free.
Your answer

Is the following statement true or false? The bonding wire is provided inside the tank cleaning hose to provide extra strength.

True.
Your answer
False.
Your answer

What is the highest resistance when checking the continuity of tank cleaning hoses?

6 ohms per meter length.
Your answer
20 ohms per meter length.
Your answer
6 ohms.
Your answer
20 ohms.
Your answer

Is the following statement true or false? It is safe to start a steaming operation immediately upon completion of tank cleaning.

True.
Your answer
False.
Your answer

Is the following statement true or false? The static charge generated due to the hands rubbing on the deck railing is usually enough to cause an explosion.

False.
Your answer
True.
Your answer

In a non-inerted cargo tank, the initial loading rate should not be increased until:

Loading terminal indicates that it is safe to do so.
Your answer
The sounding in the tank has reached 5 meter.
Your answer
Opening of the loading pipe inside the tank is fully submerged and splashing in the tank is ceased.
Your answer
Steam coils inside the tanks are fully submerged.
Your answer

What is the continuity of tank cleaning hoses checks?

Every week.
Your answer
Every month.
Your answer
Each time before put into use.
Your answer
Score: Attempts:

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Why are full-depth sounding pipes are provided in cargo tanks?

To protect the sounding bob from getting damaged.
Your answer
The sounding bob goes straight to the tank bottom and not at an angle.
Your answer
The accumulated charge on the sharp tank surfaces does not come in contact with the bob.
Your answer

Is the following statement true or false? Unbonded metallic ullage bobs or sampler can be used if the tanks are inerted.

True.
Your answer
False.
Your answer

Why should ullage bob or sampler should be bonded prior to lowering into the tank?

It helps giving more accurate results.
Your answer
Accumulated charge inside the tank can be isolated.
Your answer
Accumulated charge inside the tank if any can find its way to the earth.
Your answer

What is the maximum loading rate at the beginning to avoid excessive charge accumulation inside the cargo tanks?

1 m/s.
Your answer
2 m/s.
Your answer
5 m/s.
Your answer

What should be checked and confirmed prior to steaming cargo tanks?

The cargo tank openings are closed and tank is gas tight.
Your answer
The cargo tanks are clean and dry.
Your answer
Temperature of cargo tank should be checked and recorded.
Your answer
The cargo tanks are gas free.
Your answer

Is the following statement true or false? The bonding wire is provided inside the tank cleaning hose to provide extra strength.

True.
Your answer
False.
Your answer

What is the highest resistance when checking the continuity of tank cleaning hoses?

6 ohms per meter length.
Your answer
20 ohms per meter length.
Your answer
6 ohms.
Your answer
20 ohms.
Your answer

Is the following statement true or false? It is safe to start a steaming operation immediately upon completion of tank cleaning.

True.
Your answer
False.
Your answer

Is the following statement true or false? The static charge generated due to the hands rubbing on the deck railing is usually enough to cause an explosion.

False.
Your answer
True.
Your answer

In a non-inerted cargo tank, the initial loading rate should not be increased until:

Loading terminal indicates that it is safe to do so.
Your answer
The sounding in the tank has reached 5 meter.
Your answer
Opening of the loading pipe inside the tank is fully submerged and splashing in the tank is ceased.
Your answer
Steam coils inside the tanks are fully submerged.
Your answer

What is the continuity of tank cleaning hoses checks?

Every week.
Your answer
Every month.
Your answer
Each time before put into use.
Your answer
Score: Attempts: