Two technicians are discussing the torquing process of head bolts. Technician A says that they should be tightened starting at the center of the head and working toward the ends. Technician B says that they should be tightened in three steps or according to the factory specified manner if torque-to-yield or torque-angle. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
Question 2
Technician A says to be sure the piston notch front or arrow points toward the front of the engine. Technician B says to be sure that the piston ring gaps all line up before installing the piston. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
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In a metallurgical process the mineral pyrite, FeS2, is roasted in air: FeS2 + O2 Fe2O3 + ...