Two technicians are discussing catalytic converters and their effect on emissions and performance. Technician A says a defective converter will always cause reduced performance. Technician B says a de-fective catalytic converter can cause high emissions without reducing performance. Who is right?
What will be an ideal response?
Technician B only
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An intercooler is used to:
A. Increase the efficiency of the radiator. B. Prevent the turbocharger or supercharger from overheating. C. Cool the air from a supercharger or turbocharger before it reaches the combustion chamber. D. None of the above
Variable frequency drives intended to control the speed of motors up to 500 HP generally use ____________________.
Fill in the blank(s) with the appropriate word(s).
When does an EG to water mix maximize its antifreeze protection?
A. 100% EG B. 60:40 EG to water mix C. 50:50 mix D. 40:60 EG to water mix
The major advantage of infrared heaters is that they conserve energy; however, there are problems with pollutants
Indicate whether the statement is true or false