Technician A says that the sharp edges of spool valves should be rounded using 400 grit sandpaper. Technician B says that all valve body parts should be cleaned and then dried using low- pressure, filtered compressed air. Which technician is correct?
A. Technician A
B. Technician B
C. Both technicians
D. Neither technician
Ans: B. Technician B
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What is an indication that engine oil has become contaminated with diesel fuel?
A. milky appearance B. sludging C. aeration D. blacker in color
____________________ engines are engines that ignite the air/fuel mixture by high compression not spark.
Fill in the blank(s) with the appropriate word(s).
Technician A says that changing connecting rod length changes engine stroke. Technician B says that changing connecting rod length changes the position of the piston in the cylinder. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Vibrasobers connect:
A. The receiver tank to the drier. B. The evaporator to the thermostatic expansion valve. C. The condenser to the accumulator. D. The compressor to the units copper piping.