Question

the more energy a fuel has, the more work it can do. what is the unit of measure used to determine the amount of energy a fuel has?
select one:
a. cetane rating
b. british thermal unit
c. octane rating
d. thermal expansion coefficient

Explanation:

• Cetane rating: It is used to measure the ignition quality of diesel fuel, not the energy amount.
• British thermal unit (BTU): It is a unit of energy. It can be used to measure the amount of energy a fuel has.
• Octane rating: It is used to measure the anti - knocking property of gasoline, not the energy content.
• Thermal expansion coefficient: It is related to how a material expands with temperature change, not fuel energy.

Answer:

B. British thermal unit