Two technicians are discussing clogged EGR passages. Technician A says clogged EGR passages can cause excessive NOx exhaust emission. Technician B says that clogged EGR passages can cause the engine to ping (spark knock or detonation). Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians
D) Neither technician
C
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____________________ is the study of living organisms—their life cycles, and how they live, grow, and reproduce
Fill in the blank(s) with correct word
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A port-type injection system squirts fuel where?
A) Into the cylinder B) Below the throttle plate C) Above the throttle plate D) In the intake port, near the intake valve
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In a water-cooled condenser, what does an increase in head pressure and a decrease in temperature difference across the condenser indicate?
A) Undersized condenser B) Low water flow C) Scaling on tubing D) Low ph water
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If a low-pass RL filter's cutoff frequency is 20 kHz, its bandwidth is ________
A) 0 Hz B) 20 kHz C) 40 kHz D) unknown
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