​Which of the Following Statements Is/are True of Coal Gasification

question 66

Multiple Choice

​Which of the following statements is/are true of coal gasification?
1. Coal gasification reduces the size of the coal molecules by breaking down the coal structure.
2. Coal gasification is carried out by treating the coal with hydrogen and sodium chloride at low temperature.
3. Coal gasification breaks and replaces the carbon-carbon bonds with carbon-hydrogen and carbon-oxygen bonds.

• A) 1 only
• B) 2 only
• C) 3 only
• D) 1 and 2
• E) 1 and 3

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Definitions:

Probability

A statistical measure representing the chance or likelihood that a particular event will happen, expressed as a fraction or percentage.

NPV Value

Net Present Value, a calculation used in finance to determine the value of a series of future cash flows projected to be received or paid, adjusted for the time value of money.

Probability

A scale from 0 to 1 used to quantify the likelihood of an event's occurrence.

Sensitivity Chart

A graphical method used to display how the uncertainty in the output of a mathematical model or system can be apportioned to different sources of uncertainty in its inputs.