题目
Alower fuel consumption translates to reduced carbon dioxide emissionsince the amount produced is directly proportional to ____ andtherefore to the engine or plant efficiency.A.A thevolume of air usedB.B thevolume of fuel usedC.C theexhaust gasD.D theengine power
A
lower fuel consumption translates to reduced carbon dioxide emission
since the amount produced is directly proportional to ____ and
therefore to the engine or plant efficiency.
lower fuel consumption translates to reduced carbon dioxide emission
since the amount produced is directly proportional to ____ and
therefore to the engine or plant efficiency.
- A.A the
volume of air used - B.B the
volume of fuel used - C.C the
exhaust gas - D.D the
engine power
题目解答
答案
B
解析
碳排放量与燃料消耗量成正比。因此，降低燃料消耗量会减少碳排放量。燃料消耗量越少，发动机或设备的效率越高，碳排放量就越低。