When a small gear is driving a large gear, gear reduction is taking place.
Answer the following statement true (T) or false (F)
True
You might also like to view...
Which of the following devices have been proven to lower NOx emissions in highway diesel engines?
A. exhaust gas recirculation (EGR) B. dosing of exhaust gas C. oxidation catalysts D. diesel particulate traps
Technician A says that SCR systems use DEF which results in toxic levels of ammonia being emitted from the tailpipe. Technician B says that Navistar engines certified for EPA MY 2013 and later use SCR systems. Who is correct??
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
Most high mileage oils cannot meet IlSAC GF-4 rating and are, therefore, ________ for use in most engines
A) Highly recommended B) Not recommended C) Dangerous D) Harmful
How are safety ratings for zeotropic refrigerants different than for compounds?
A) Zeotropic refrigerants are assigned a safety group classification based on the worst case of fractionation. B) Zeotropic refrigerants use the same rating system as all other refrigerants. C) They precede the normal letter and number with the letter Z for zeotropic. D) They follow the normal letter and number rating with the letter Z for zeotropic.