Which pesticide was banned in 1972 because of its harmful effects on the environment?
a. DDT c. DAR
b. ABC d. DPT
A
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Se usan resistores de derivación con amperímetros para:
a. aumentar el rango del amperímetro. b. aumentar la sensibilidad de los amperímetros. c. reducir el rango del amperímetro. d. permitir que los amperímetros puedan medir resistencias.
The Bedlington Terrier originated in England, where it served as a good:
A) watchdog B) sheep herder C) rescue dog D) hunting dog
Technician A says that low compression on an engine cylinder can be successfully compensated for by the PCM with no adverse effect on performance or emissions. Technician B says that the PCM and catalytic converter can mask or hide some basic engine defects. Who is correct?
A. A only B. B only C. both A and B D. neither A nor B
In engines that power generators, the engine speed is controlled by _____
a. governors b. rectifiers c. transformers d. alternators