NNPC/Chevron Scholarship Past Questions and Answers PDF: Chevron Nigeria Limited is offering a range of University Scholarship Awards to suitably qualified Nigerian students in partnership with its joint venture partner, the Nigerian National Petroleum Corporation (NNPC). Any applicant who desires to succeed in this scholarship must have this past question.
This EBOOK contain past questions of the NNPC/Chevron Scholarship from past years Note the the question normally repeat itself on yearly basics also by way of downloading this past question you stand a chance of passing the exams because after studying this past question effectively you will now understand the kind of questions that you will see in the day of your screening and how you can answer them accurately
The examination of NNPC/Chevron Aptitude consists of the following sections:
- Verbal Reasoning,
- Numerical Reasoning and
- Abstract Reasoning.
SAMPLE QUESTIONS of NNPC/Chevron Scholarship
Groundwater is usually free of contaminants and does not require filtration, but it often contains iron and other minerals that must be removed to ‘soften’ the water. Hard water contains ions called calcium and magnesium which renders it unsuitable for many purposes. When soap is used with hard water, it is precipitated by these ions to form scum, so that more soap is required to produce lather.
Hard water is also undesirable in hot-water systems because it deposits calcium carbonate and calcium sulfate inside pipes and boilers. This is known as limescale. Ion-exchange is sometimes used to soften water. This involves zeolites or ion exchange resins which release positive ions and take up, in exchange, the calcium and magnesium ions of hard water. Another method of softening water is precipitation, where chemicals added to hard water combines with the calcium and magnesium ions to form insoluble precipitates that are easily removed.
(1). Which two of these statements must be true?
- The interaction of chemicals plays an important role in some methods of water softening.
- The precipitates created by the addition of chemicals can be easily removed to leave behind softened water.
- The process of water softening is speeded up by combining calcium and magnesium ions with other chemicals
- The chemicals in hard water are dissolved during the process of precipitation
(2). Which two of these statements must be true?
- Calcium and magnesium ions precipitate soap to produce scum
- The ion content of hard water is increased by the soap
- The production of lather is influenced by the ion level of hard water
- Greater volumes of hard water than soft water are required in order to produce lather
(3). If a trader bought yesterday 15 troy ounces of gold and 20 troy ounces of palladium, how much has the value of these precious metals changed?
- None of these
- Up $100
- Down $100
- Up $165
- Up $65
(4). What is the price difference between 50 troy ounces of gold compared to platinum?
How to Download NNPC/Chevron Scholarship Scholarship Past Questions and Answers
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