What service operations is most important on engines equipped with a? turbocharger?
A) Regular exhaust system maintenance
B) Regular oil changes
C) Replacing the fuel filter regularly
D) Replacing the Air filter regularly
Answer: B) Regular oil changes
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Answer the following statement(s) true (T) or false (F)
1. The most standardized set of symbols in the United States is provided by the NEMA. 2. Normally open switches are drawn with the movable contact above and touching the stationary contact. 3. Schematics are always drawn to show components in their de-energized or off state. 4. The most common coil symbol used in schematic diagrams is the rectangle. 5. Timed contacts are either normally open or normally closed.
The pressure switch is used to start the compressor on most systems.
Answer the following statement true (T) or false (F)
The weight and rigidity of the floor on the foundation wall helps the wall to resist the pressure of the backfill.
Answer the following statement true (T) or false (F)
Technician A says that a bleeder valve is located on many engines to allow air to escape when refilling the cooling system. Technician B says that a hose should be attached to the bleeder valve to allow any escaping coolant to be directed to a suitable container. Which technician is correct?
A) Technician A only B) Technician B only C) Both Technicians A and B D) Neither Technician A nor B