Explain the use of diesel exhaust fluid.
What will be an ideal response?
The selective catalyst reduction system uses urea solution (diesel exhaust fluid, or DEF) to reduce NOx into N2 and CO2. The DEF is injected into the exhaust stream as needed.
You might also like to view...
If a hole is perpendicular to the edge view of a slanted surface in the right-side view, the hole appears ______ in shape in the front view.
a. round b. elliptical c. as a line d. none of the above
What was the main contribution of the Morrill Act of 1862?
a. Help teach practical methods of manufacturing and producing food and fiber b. Authorize experiment stations in states with land grant colleges c. Establish Vocational Agriculture in public high schools d. Set up the Cooperative Extension Service
A stereo pair of air photos is particularly useful in studying ________ landscape features
A) topographic B) plant stress induced C) human-made D) salt-affected E) parent material
The shorter time a waveform is sampled, the less ________ it will be measured at
Fill in the blank(s) with correct word