The major disadvantage(s) of methanol as an alternative fuel is/are that (A) it
ID: 955631 • Letter: T
Question
The major disadvantage(s) of methanol as an alternative fuel is/are that (A) it has an invisible flame; (B) it is toxic; (C) it is corrosive; (D) it has low energy density; (E) all of the above. The main function of a catalytic converter in an automobile is: (A) to increase efficiency; (B) to increase power; (C) to reduce noise; (D) to reduce pollution; CE) to reduce vibration. The higher the C/H ratio the cleaner the fuel. (A) true; (B) false. Cylinders offer considerable less drag compared to spheres of the same diameter. (A) true; (B) false.Explanation / Answer
The major disadvantages of mtheanol as an alternative fuel because methanol if very corrosive,toxic, burns with invisible flame. Energy density is the amount of energy with in a substance which is less for methanol when compared to other fuels present. Option E
Catalytic convertors reduce pollution decresing the pollutants in the exhaust gas, increses efficiency of system, will reduce power.
If the H/C ratio of fuel is high then it is clean fuel if C/H is high then there is a chance of release of Carbondioxide gas which is a green house gas. False
The statement is false. Drag coefficient can be used to quantify drag that is resistance of body in fluid environment. Drag coefficient of sphere is less than cylinder. False
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