Technician A states all onhighway diesel engines sold in North America must meet or exceed EPA emission standards. Technician B states all current highway diesel engines must be computer controlled and have exhaust gas aftertreatment devices. Which technician is correct?
A. Technician A only.
B. Technician B only.
C. Both A and B.
D. Neither A nor B.
Answer: B
Trades & Technology
You might also like to view...
?Describe how the end of a pipe is to be prepared for welding.
What will be an ideal response?
Trades & Technology
A 1/2 -inch diameter rebar would be designated as a ____.
A. #4 B. #6 C. #8 D. #0.5
Trades & Technology
On heat recovery systems:
A) One indoor unit can be in heating mode while others are in cooling mode at the same time. B) It is required that all indoor units be in heating mode. C) It is required that all indoor units be in cooling mode. D) Both A and B.
Trades & Technology
Zone control is accomplished in hydronic systems using thermostats that activate:
A) A zone compressor for each zone. B) A zone boiler for each zone. C) A zone damper for each zone. D) A zone control valve for each zone.
Trades & Technology