Two technicians are discussing the measurement of antifreeze concentration in coolant. Technician A uses a hydrometer to test the coolant. Technician B uses a refractometer to test the coolant. Who is correct?
A. A only
B. B only
C. both A and B
D. neither A nor B
Answer: C
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Technician A says that the first generation of diesel common rail (CR) systems was introduced on small bore diesel engines. Technician B says that CR fuel systems are unable to produce high enough peak pressures to fuel current medium and large bore diesel engines. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
List the five most important technological inventions of the early 19th century, then rank them in order of importance in facilitating the flourishing of the factory system in America. Justify your ranking.
What will be an ideal response?
Express 0.15625 as a common fraction reduced to lowest terms.
What will be an ideal response?
The most common cooling system problems are the result of leaks.
Answer the following statement true (T) or false (F)