In a GM two-mode hybrid electric vehicle, when can the vehicle be powered by electric power alone?
A) During heavy load conditions regardless of mode
B) During either the first or second mode
C) During the first mode
D) During the second mode
C
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When installing a line tap valve on the high-pressure side of the system, it is best to install it on the compressor process tube.
Answer the following statement true (T) or false (F)
When disabling the high voltage system in a hybrid vehicle, disconnecting the high-voltage service plug may be all that is needed before servicing the high voltage system.
Answer the following statement true (T) or false (F)
Circulating water over the evaporator while the ice is freezing:
A) Keeps air bubbles and solids from freezing in the ice. B) Increases the air bubbles in the ice. C) Adds interesting swirled effects in the ice patterns. D) Eliminates the need for a reservoir float.
What does the presence of a 4-pin communications connector on an ECM signify?
a. It is a newer version motor. b. It can only be used in furnaces. c. It is a 240V-only motor. d. The motor needs 24V input signals.