Technician A says that a MAF sensor actually measures the density and amount of air flowing into the engine, which results in accurate engine control. Technician B says that a hot wire MAF sensor uses the electronics in the sensor itself to heat a wire 70°C above the temperature of the air entering the engine. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
C
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Which of the following statements is LEAST-Likely true?
A. Scuffing on only one skirt is rarely caused by excessive idling. B. Four-corner scuffing occurs when both skirts are scuffed on the edges next to the piston pin. C. A piston that overheats because of cooling system problems or abnormal combustion will expand excessively near the piston pin. D. Scuffing on both skirts is usually caused by insufficient clearance between new pistons and remachined cylinder walls.
Capacitance and ____________________ values are usually written directly on large ac oil-filled paper capacitors.
Fill in the blank(s) with the appropriate word(s).
All air characteristics charts and tables are based on a sea level pressure of ____.
A. 29.41" Hg B. 29.69" Hg C. 29.86" Hg D. 29.92" Hg
A geometric tolerance is the maximum permissible variation of form, orientation, or ____ of a feature from that indicated or specified on a drawing.
A. size B. fit C. location D. strength