Question 1
A "failed" wall wash can result from:
- Poor technique.
- Dirty equipment.
- Using a clean plastic spray bottle.
- Traces of previous cargo.
Wall Washing
CBT 63 questions
First 5 of 63 questions — with answers
The correct answer is marked. Unlock the rest to study the whole test, online or offline.
Search in this test
Find the exact question in Wall Washing and see the correct answer.
Paste a phrase from a question — word for word works best. The correct answer is marked in green.
Question 2
If you do not pay enough attention to the exact requirements of the Customer's wall wash specification, which of the following may result?- Over-cleaning.
- Unnecessary over use of cleaning chemicals.
- Wasted time and manpower.
- Tendering of a tank that does not meet the required standard.
Question 3
The basic routine laboratory tests, that we run on board include:- Appearance.
- Ultraviolet Spectrum.
- Hydrocarbons.
- Gas Chromatography.
Question 4
Wall wash results should be recorded for the following reasons:- It is in all Captains Standing Orders.
- It often figures as an item in Vetting Inspections.
- It enables progress to be tracked during tank cleaning.
- It is an ASTM requirement.
Question 5
The two kinds of detectable odour in a wall wash sample are:- Residual.
- Nominal.
- Distinctive.
- Characteristic.
Preview — 5 of 63 questions
You are seeing the first 5 questions with answers. Unlock the remaining 58 to study the whole test — online or offline.
About this CBT test
Wall Washing is a CBT test with 63 questions and verified answers. Common topics include: wall wash, permanganate fade, sample, laboratory, hydrocarbons, samples, standard, run.
You can practise the free questions online — one at a time, with the correct answer — or unlock the whole test and download it to study offline, without internet.