Exhaust pipes for separate diesel engines can be combined only when ________.

Diesel engine exhaust noise can be reduced in an exhaust muffler by ___.

One remedy for a high firing pressure, in addition to a high exhaust temperature in one cylinder of a diesel engine, is to _______.

Operating a diesel engine under light loads and at low temperatures for an exhaust for an

The replacement piping for diesel engine high pressure fuel systems must be the same lengt

The exhaust system for a turbocharged diesel engine functions to ______.A.power the after－

A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo